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Number 189 (one hundred eighty-nine) is an odd three-digits composite number and natural number following 188 and preceding 190.

Properties of the number 189

Cardinalone hundred eighty-nine
one hundred eighty-nine
Number of digits3
Sum of digits18
Product of digits72
Number parityOdd
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Prime Factorization of 189

Prime factorization3 x 3 x 3 x 7
Prime factorization in exponent form33 x 7
Prime factors3, 7
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)4
Sum of prime factors10
Product of prime factors21
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Divisors of 189

List of proper divisors 1, 3, 7, 9, 21, 27, 63
List of all dividers1, 3, 7, 9, 21, 27, 63, 189
Number of divisors d(n)8
Sum of all divisors σ(n)320
Aliquot sum 131
189 is a deficient number , since it is larger than the sum of its proper divisors (131). Its deficiency is 58.
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Prime numbers

Is 189 a prime number?No
Is 189 a semiprime number?No
Is 189 a Chen prime number?No
Is 189 a Mersenne prime number?No
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Is 189 a Catalan number?No
Is 189 a Fibonacci number?No
Is 189 a Idoneal number?No
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Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
189 is not a Happy number
189 is a Humble number
189 is not a Münchhausen number
189 is not a Perfect number
189 is not a Perfect square
189 is not a Palindrome
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Numeric Bases of 189

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
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Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 189 (n2)35721
Cube of 189 (n3)6751269
Square root of 18913.747727084868
Natural Logarithm (ln) of 1895.2417470150596
Decimal Logarithm (log) of 1892.2764618041732
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 1890.48331795366796
Cosecant of 1892.0690313538135
Cosine of 1890.87544489013428
Secant of 1891.1422763571635
Tangent of 1890.55208267146757
Cotangent of 1891.8113229262236
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Number parity

Parity is the property of an integer of whether it is even or odd.

Is 189 an Even Number?


Is 189 an Odd Number?

Yes, the number 189 is an odd number.
Total number of all odd numbers from 1 to 189 is 95
Sum of all the odd numbers from 1 to 189 are 9025
The sum of all odd numbers is a perfect square: 9025 = 95
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
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Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
The spelling of 189 in words is "one hundred eighty-nine", meaning that:
189 is an aban number (a number without the letter a)
189 is not an eban number (as it contains the letter e)
189 is not an iban number (as it contains the letter i)
189 is not an oban number (as it contains the letter o)
189 is not a tban number (as it contains the letter t)
189 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 189 in other number systems?
Bengali numerals১৮৯
Eastern Arabic numerals١٨٩
Hieroglyphs numeralsused in Ancient Egypt𓍢𓎍𓐂
Khmer numerals១៨៩
Japanese numerals百八十九
Roman numeralsCLXXXIX
Thai numerals๑๘๙
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How do you say 189 in 38 different languages?
Arabicمائة و تسعة و ثمانون
Croatiansto osamdeset i devet
Czechsto osmdesát devět
Danish et hundrede ni og firs
Estonianalafa ɖeka blaenyi vɔ asieke
Filipinoisáng daán at walóng pû’t siyám
Frenchcent quatre-vingt-neuf
Greekεκατόν ογδόντα εννέα
Hebrewמאה שמונים ותשע
Hindiएक सौ नवासी
Icelandiceitt­hundrað og áttatíu og níu
Indonesianseratus delapan puluh sembilan
Latviansimt astoņdesmit deviņi
Lithuanianšimtas aštuoniasdešimt devyni
Norwegianhundre og åtti­ni
Persianصد و هشتاد و نه
Polishsto osiemdziesiąt dziewięć
Portuguesecento e oitenta e nove
Romanianuna sută optzeci şi nouă
Russianсто восемьдесят девять
Serbianсто осамдесет и девет
Slovakjedna­sto osemdesiat­deväť
Slovenesto osemdeset devet
Spanish ciento ochenta y nueve
Swahilimia moja na themanini na tisa
Turkishyüz seksen dokuz
Ukrainianсто вісімдесят девʼять
Vietnamesemột trăm tám mươi chín
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Number 189 reversed981
ASCII Code189½
Unicode CharacterU+00BD½
Hexadecimal color (shorthand)#118899
Unix TimestampThu, 01 Jan 1970 00:03:09 +0000
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