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

21491608 (number)

21491608 is an even 8-digits composite number following 21491607 and preceding 21491609. In scientific notation, it is written as 2.1491608 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors. There are 10745800 positive integers (up to 21491608) that are relatively prime to 21491608.

Interesting facts

21491608 has 8 divisors, whose sum is 40296780
The reverse of 21491608 is 80619412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety-one thousand six hundred eight

Notation

Scientific notation	2.1491608 × 10^7
Engineering notation	2.1491608 × 10^6

Prime Factorization of 21491608

Prime Factorization 2 × 2 × 2 × 2686451

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5372902	Product of the distinct prime numbers

The prime factorization of 21491608 is 2 × 2 × 2 × 2686451. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 47, 25, 527, 479, 6984, 1575, 64536, 73593, 456672, 532970, 5117601, 259355, 13662726, 14530734, 271259181, 530516034, 2215287414, 134522888

Basic calculations (n = 21491608)

Multiplication

n×y

n×2	42983216
n×3	64474824
n×4	85966432
n×5	107458040

Division

n÷y

n÷2	10745804
n÷3	7163869.3333333
n÷3	5372902
n÷5	4298321.6

Exponentiation

n^y

n²	461889214425664
n³	9.9267419358643E+21
n⁴	2.1334164640276E+29
n⁵	4.5850550345627E+36

Nth Root

^y√n

²√n	4635.9042267933
³√n	278.02870500483
⁴√n	68.087474815808
⁵√n	29.272093393841

Divisors of 21491608

1, 2, 4, 8, 2686451, 5372902, 10745804, 21491608

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	-21491607	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 21491608 can be divided by 8 positive divisors. The sum of these divisors (counting 21491608) is 1, the average is 0.125.

Base conversion 21491608

Base	System	Value
2	Binary	1010001111110111110011000
3	Ternary	1111102212221111
4	Quaternary	1101332332120
5	Quinary	21000212413
6	Senary	2044350104
8	Octal	121767630
10	Decimal	21491608
12	Duodecimal	7245334
16	Hexadecimal	147ef98
20	Vigesimal	6e6908
36	Base36	csn14

Cryptographic Hash Functions

md5	4d4a807a7d246c193460dccfb3bc5e35
sha1	ab7fdbdf030db0cee9c5863af16affaa30dc02ed
sha256	625b7638582e30bfa041a653945d3159f0b16d05295702fceeb0edd445345153
sha512	7b3bba5f644c25f5c7a47d1c4ddcbbcf29cc66a0c7162aeba60fd01fa2020713df69ed0ac09def33555110681c7543ed44a82cebeeb69b8c6105301446f2430a
ripemd-160	9261c67f77288ccadc84f1d91ff3d17d65232bb6

21491608 as geometric shapes

Circle

Radius = n

Diameter	42983216
Circumference	135035755.61326
Area	1.451067762812E+15

Sphere

Radius = n

Volume	4.1581039386391E+22
Surface area	5.8042710512481E+15
Circumference	135035755.61326

Square

Length = n

Perimeter	85966432
Area	461889214425664
Diagonal	30393723.510806

Cube

Length = n

Surface area	2771335286553984
Volume	9.9267419358643E+21
Space diagonal	37224556.992354

Equilateral Triangle

Length = n

Perimeter	64474824
Area	2.0000389671333E+14
Altitude	18612278.496177

Triangular Pyramid

Length = n

Surface area	2.0000389671333E+14
Volume	1.1698777563231E+21
Height	10131241.170269