21020
Number 21020 is an even five-digits composite number and natural number following 21019 and preceding 21021.
| Nominal | 21020 |
| Cardinal | twenty-one thousand twenty |
Cardinal twenty-one thousand twenty |
| Ordinal | 21,020th |
| Number of digits | 5 |
| Sum of digits | 5 |
| Product of digits | 0 |
| Number parity | Even |
Calculation was done in 0.0000381470 seconds
| Prime factorization | 2 x 2 x 5 x 1051 |
| Prime factorization in exponent form | 22 x 5 x 1051 |
| Prime factors | 2, 5, 1051 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 1058 |
| Product of prime factors | 10510 |
Calculation was done in 0.0000329018 seconds
| List of proper divisors | 1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510 |
| List of all dividers | 1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020 |
| Number of divisors d(n) | 12 |
| Sum of all divisors σ(n) | 44184 |
| Aliquot sum | 23164 |
| 21020 is an abundant number , because the sum of its proper divisors (23164) is greater than itself. Its abundance is 2144. |
Calculation was done in 0.0000231266 seconds
| Is 21020 a prime number? | No |
| Is 21020 a semiprime number? | No |
| Is 21020 a Chen prime number? | No |
| Is 21020 a Mersenne prime number? | No |
Calculation was done in 0.0011088848 seconds
| Is 21020 a Catalan number? | No |
| Is 21020 a Fibonacci number? | No |
| Is 21020 a Idoneal number? | No |
Calculation was done in 0.0000040531 seconds
| 21020 is not a Happy number |
| 21020 is not a Humble number |
| 21020 is not a Münchhausen number |
| 21020 is not a Perfect number |
| 21020 is not a Perfect square |
| 21020 is not a Palindrome |
Calculation was done in 0.0061950684 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1010010000111002 |
| 3 | Ternary | 10012111123 |
| 4 | Quaternary | 110201304 |
| 5 | Quinary | 11330405 |
| 6 | Senary | 2411526 |
| 7 | Septenary | 1151667 |
| 8 | Octal | 510348 |
| 9 | Nonary | 317459 |
| 10 | Decimal | 21020 |
| 12 | Duodecimal | 101b812 |
| 16 | Hexadecimal | 521c16 |
| 20 | Vigesimal | 2cb020 |
| 36 | Base36 | g7w36 |
| 60 | Sexagesimal | 5oK60 |
Calculation was done in 0.0000181198 seconds
| Square of 21020 (n2) | 441840400 |
| Cube of 21020 (n3) | 9287485208000 |
| Square root of 21020 | 144.98275759552 |
| Natural Logarithm (ln) of 21020 | 9.9532296444309 |
| Decimal Logarithm (log) of 21020 | 4.3226327116922 |
Calculation was done in 0.0000038147 seconds
| Sine of 21020 | 0.38614167281018 |
| Cosecant of 21020 | 2.5897230742344 |
| Cosine of 21020 | -0.92243948772771 |
| Secant of 21020 | -1.0840819515038 |
| Tangent of 21020 | -0.41860921821699 |
| Cotangent of 21020 | -2.3888628259534 |
Calculation was done in 0.0000050068 seconds
Is 21020 an Even Number?
Yes, the number 21020 is an even number.
Is 21020 an Odd Number?
No
Previous even number is
21018Next even number is
21022
Calculation was done in 0.0000040531 seconds
| The spelling of 21020 in words is "twenty-one thousand twenty", meaning that: |
| 21020 is not an aban number (as it contains the letter a) |
| 21020 is not an eban number (as it contains the letter e) |
| 21020 is an iban number (a number without the letter i) |
| 21020 is not an oban number (as it contains the letter o) |
| 21020 is not a tban number (as it contains the letter t) |
| 21020 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000028610 seconds
| Bengali numerals | ২১০২০ |
| Eastern Arabic numerals | ٢١٬٠٢٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓎇 |
| Khmer numerals | ២១០២០ |
| Japanese numerals | 二万千二十 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๐๒๐ |
Calculation was done in 0.0000581741 seconds
| Arabic | واحد و عشرون ألف و عشرون |
| Croatian | dvadeset i jedna tisuća dvadeset |
| Czech | dvacet jedna tisíc dvacet |
| Danish | en og tyve tusinde og tyve |
| Dutch | éénentwintigduizend twintig |
| Estonian | akpe blaeve vɔ ɖekɛ kple blaeve |
| Faroese | tjúgoeitt tusin og tjúgo |
| Filipino | dalawáng pû’t isáng libó’t dalawáng pû |
| Finnish | kaksikymmentäyksituhattakaksikymmentä |
| French | vingt et un mille vingt |
| Greek | είκοσι μία χίλιάδες είκοσι |
| German | einundzwanzigtausendzwanzig |
| Hebrew | עשרים ואחד אלף עשרים |
| Hindi | इक्कीस हज़ार बीस |
| Hungarian | huszonegyezerhúsz |
| Icelandic | tuttugu og eitt þúsund og tuttugu |
| Indonesian | dua puluh satu ribu dua puluh |
| Italian | ventunomilaventi |
| Japanese | 二万千二十 |
| Korean | 이만 천이십 |
| Latvian | divdesmit viens tūkstoši divdesmit |
| Lithuanian | dvidešimt vienas tūkstantis dvidešimt |
| Norwegian | tjueett tusen og tjue |
| Persian | بیست و یک هزار و بیست |
| Polish | dwadzieścia jeden tysięcy dwadzieścia |
| Portuguese | vinte e um mil e vinte |
| Romanian | douăzeci şi una mii douăzeci |
| Russian | двадцать одна тысяча двадцать |
| Serbian | двадесет и једна хиљада двадесет |
| Slovak | dvadsaťjedna tisíc dvadsať |
| Slovene | dvaset ena tisuću dvaset |
| Spanish | veintiún mil veinte |
| Swahili | elfu ishirini na moja, ishirini |
| Swedish | tjugoentusentjugo |
| Thai | สองหมื่นหนึ่งพันยี่สิบ |
| Turkish | yirmi bir bin yirmi |
| Ukrainian | двадцять одна тисяча двадцять |
| Vietnamese | hai mươi mốt nghìn không trăm hai mươi |
Calculation was done in 0.0134680271 seconds
| Number 21020 reversed | 02012 |
| Unicode Character | U+521C | 刜 |
| Unix Timestamp | Thu, 01 Jan 1970 05:50:20 +0000 |
Calculation was done in 0.0000231266 seconds
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