Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21493819 (number)

21493819 is an odd 8-digits composite number following 21493818 and preceding 21493820. In scientific notation, it is written as 2.1493819 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 20606400 positive integers (up to 21493819) that are relatively prime to 21493819.

Interesting facts

21493819 has 8 divisors, whose sum is 22394240
The reverse of 21493819 is 91839412
Previous prime number is 109

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million four hundred ninety-three thousand eight hundred nineteen

Notation

Scientific notation	2.1493819 × 10^7
Engineering notation	2.1493819 × 10^6

Prime Factorization of 21493819

Prime Factorization 31 × 109 × 6361

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493819	Product of the distinct prime numbers

The prime factorization of 21493819 is 31 × 109 × 6361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 89, 61, 406, 269, 9343, 9746, 93041, 71421, 829751, 703096, 3467924, 7043476, 6209480, 19666057, 108567776, 413412377, 7580599261, 215863854

Basic calculations (n = 21493819)

Multiplication

n×y

n×2	42987638
n×3	64481457
n×4	85975276
n×5	107469095

Division

n÷y

n÷2	10746909.5
n÷3	7164606.3333333
n÷3	5373454.75
n÷5	4298763.8

Exponentiation

n^y

n²	461984255204761
n³	9.9298059622209E+21
n⁴	2.134294520571E+29
n⁵	4.5874140117844E+36

Nth Root

^y√n

²√n	4636.142685466
³√n	278.03823896474
⁴√n	68.089225913253
⁵√n	29.272695656225

Divisors of 21493819

1, 31, 109, 3379, 6361, 197191, 693349, 21493819

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21493818	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493819 can be divided by 8 positive divisors. The sum of these divisors (counting 21493819) is 1, the average is 0.125.

Base conversion 21493819

Base	System	Value
2	Binary	1010001111111100000111011
3	Ternary	1111102222222101
4	Quaternary	1101333200323
5	Quinary	21000300234
6	Senary	2044404231
8	Octal	121774073
10	Decimal	21493819
12	Duodecimal	7246677
16	Hexadecimal	147f83b
20	Vigesimal	6e6eaj
36	Base36	csoqj

Cryptographic Hash Functions

md5	ca57af5878d2827ad2da98a6533cd5da
sha1	38b858e375e99bdd4f35296b2bee70f986bd1fb0
sha256	a517c5b4af9ea67a3a33a24cfbf09e8418b0f739ae1824fdc9e71326756ce47a
sha512	91e9b8fd5e7ed4a292eee97a0b38ca66e5b73a78a0dbb51215c384a4d65389464fa4164844d50dd3eab5e95a2d680501c05fe9feba5bb2b6bf03754d5a56f0fc
ripemd-160	1ca18d977d5956a596cc7983e61eac7208fc2b18

21493819 as geometric shapes

Circle

Radius = n

Diameter	42987638
Circumference	135049647.73598
Area	1.4513663422254E+15

Sphere

Radius = n

Volume	4.1593873949981E+22
Surface area	5.8054653689017E+15
Circumference	135049647.73598

Square

Length = n

Perimeter	85975276
Area	461984255204761
Diagonal	30396850.336993

Cube

Length = n

Surface area	2771905531228566
Volume	9.9298059622209E+21
Space diagonal	37228386.556689

Equilateral Triangle

Length = n

Perimeter	64481457
Area	2.0004505057788E+14
Altitude	18614193.278345

Triangular Pyramid

Length = n

Surface area	2.0004505057788E+14
Volume	1.1702388552922E+21
Height	10132283.445664