We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. For more information, please review our cookie policy and privacy policy.
By choosing I Accept, you consent to our use of cookies and other tracking technologies.

19

Number 19 (nineteen) is an odd two-digits prime number and natural number following 18 and preceding 20.

Properties of the number 19

Nominal19
Cardinalnineteen
Ordinal19th
Number of digits2
Sum of digits10
Product of digits9
Number parityOdd
Calculation was done in 0.0000429153 seconds

Prime Factorization of 19

Prime factorization19
Prime factors19
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors19
Product of prime factors19
Calculation was done in 0.0000069141 seconds

Divisors of 19

List of proper divisors 1
List of all dividers1, 19
Number of divisors d(n)2
Sum of all divisors σ(n)20
Aliquot sum 1
19 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 18.
Calculation was done in 0.0000188351 seconds

Prime numbers

Is 19 a prime number?Yes
Is 19 a semiprime number?No
Is 19 a Chen prime number?Yes
Is 19 a Mersenne prime number?Yes: M6
Calculation was done in 0.0000090599 seconds

Sequences

Is 19 a Catalan number?No
Is 19 a Fibonacci number?No
Is 19 a Idoneal number?No
Calculation was done in 0.0000050068 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
19 is a Happy number
19 is not a Humble number
19 is not a Münchhausen number
19 is not a Perfect number
19 is not a Perfect square
19 is not a Palindrome
Calculation was done in 0.0021309853 seconds

Numeric Bases of 19

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.
BaseSystemValue
2Binary100112
3Ternary2013
4Quaternary1034
5Quinary345
6Senary316
7Septenary257
8Octal238
9Nonary219
10Decimal19
12Duodecimal1712
16Hexadecimal1316
20Vigesimalj20
36Base36j36
60SexagesimalJ60
Calculation was done in 0.0000159740 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 19 (n2)361
Cube of 19 (n3)6859
Square root of 194.3588989435407
Natural Logarithm (ln) of 192.9444389791664
Decimal Logarithm (log) of 191.2787536009528
Calculation was done in 0.0000047684 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 190.14987720966295
Cosecant of 196.6721284860375
Cosine of 190.98870461818667
Secant of 191.0114244250563
Tangent of 190.1515894706124
Cotangent of 196.5967642472801
Calculation was done in 0.0000100136 seconds

Number parity

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

Is 19 an Even Number?

No

Is 19 an Odd Number?

Yes, the number 19 is an odd number.
Total number of all odd numbers from 1 to 19 is 10
Sum of all the odd numbers from 1 to 19 are 100
The sum of all odd numbers is a perfect square: 100 = 10
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000050068 seconds

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 19 in words is "nineteen", meaning that:
19 is an aban number (a number without the letter a)
19 is not an eban number (as it contains the letter e)
19 is not an iban number (as it contains the letter i)
19 is an oban number (a number without the letter o)
19 is not a tban number (as it contains the letter t)
19 is an uban number (a number without the letter u)
Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 19 in other number systems?
Bengali numerals১৯
Eastern Arabic numerals١٩
Hieroglyphs numeralsused in Ancient Egypt𓎆𓐂
Khmer numerals១៩
Japanese numerals十九
Roman numeralsXIX
Thai numerals๑๙
Calculation was done in 0.0000751019 seconds

Translation

How do you say 19 in 38 different languages?
Arabicتسعة عشر
Croatiandevetnaest
Czechdevatenáct
Danish nitten
Dutchnegentien
Estonianwuiasieke
Faroesenítjan
Filipinolabíng-siyám
Finnishyhdeksäntoista
Frenchdix-neuf
Greekδεκα­εννέα
Germanneunzehn
Hebrewתשע עשרה
Hindiउन्नीस
Hungariantizen­kilenc
Icelandicnítján
Indonesiansembilan belas
Italiandiciannove
Japanese十九
Korean십구
Latviandeviņpadsmit
Lithuaniandevyniolika
Norwegiannitten
Persianنوزده
Polishdziewiętnaście
Portuguesedezenove
Romaniannouăsprezece
Russianдевятнадцать
Serbianдеветнаест
Slovakdevätnásť
Slovenedevetnajst
Spanish diecinueve
Swahilikumi na tisa
Swedishnitton
Thaiสิบ​เก้า
Turkishon dokuz
Ukrainianдевʼятнадцять
Vietnamesemười chín
Calculation was done in 0.0155010223 seconds

Miscellaneous

Number 19 reversed91
ASCII Code19
Unicode CharacterU+0013
Unix TimestampThu, 01 Jan 1970 00:00:19 +0000
Calculation was done in 0.0000281334 seconds
This page was generated in 0.02 seconds.