21081608 (number)

21081608 is an even 8-digits composite number following 21081607 and preceding 21081609. In scientific notation, it is written as 2.1081608 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors. There are 10053120 positive integers (up to 21081608) that are relatively prime to 21081608.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand six hundred eight

Notation

Scientific notation 2.1081608 × 10^7
Engineering notation 2.1081608 × 10^6

Prime Factorization of 21081608

Prime Factorization 2 × 2 × 2 × 89 × 29 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5270402
Product of the distinct prime numbers

The prime factorization of 21081608 is 2 × 2 × 2 × 89 × 29 × 1021. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 9, 43, 48, 193, 69, 763, 4298, 35519, 38439, 844022, 586455, 1845312, 3782008, 60419114, 37003990, 108322790, 509421847, 9032820653, 1262826747

Basic calculations (n = 21081608)

Multiplication

n×y
n×2 42163216
n×3 63244824
n×4 84326432
n×5 105408040

Division

n÷y
n÷2 10540804
n÷3 7027202.6666667
n÷3 5270402
n÷5 4216321.6

Exponentiation

ny
n2 444434195865664
n3 9.3693874990351E+21
n4 1.9752175445476E+29
n5 4.1640761988875E+36

Nth Root

y√n
2√n 4591.4712239107
3√n 276.24933709907
4√n 67.760395688859
5√n 29.159545246702

Divisors of 21081608

1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 1021, 2042, 2581, 4084, 5162, 8168, 10324, 20648, 29609, 59218, 90869, 118436, 181738, 236872, 363476, 726952, 2635201, 5270402, 10540804, 21081608

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081607
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081608 can be divided by 32 positive divisors. The sum of these divisors (counting 21081608) is 1, the average is 0.03125.

Base conversion 21081608

Base System Value
2 Binary 1010000011010111000001000
3 Ternary 1110200001112022
4 Quaternary 1100122320020
5 Quinary 20344102413
6 Senary 2031504012
8 Octal 120327010
10 Decimal 21081608
12 Duodecimal 7088008
16 Hexadecimal 141ae08
20 Vigesimal 6bf408
36 Base36 cjuo8

Cryptographic Hash Functions

md5 3a221e1995acedbd951d0bbf571f6536
sha1 725bbc1b70d0e09596fda78364eb313e4a49da82
sha256 c74260565f1df7c085a092080da5750cf948189b4b45b9e3cd0d6a0bfb168daf
sha512 6d2b2947846a7ea840af6a701920ea59dd165984e03bc82d9e75f8f0ad5cfcd009f0d1904e8c340aa639914523e151d565d6671623d223468ee18208c7a19d8a
ripemd-160 779553ac62f2d3028850da564e8bc7865cbf55b7

21081608 as geometric shapes

Circle

Radius = n
Diameter 42163216
Circumference 132459649.63732
Area 1.3962312047357E+15

Sphere

Radius = n
Volume 3.9246398580806E+22
Surface area 5.5849248189426E+15
Circumference 132459649.63732

Square

Length = n
Perimeter 84326432
Area 444434195865664
Diagonal 29813895.950233

Cube

Length = n
Surface area 2666605175193984
Volume 9.3693874990351E+21
Space diagonal 36514416.161251

Equilateral Triangle

Length = n
Perimeter 63244824
Area 1.9244565196509E+14
Altitude 18257208.080625

Triangular Pyramid

Length = n
Surface area 1.9244565196509E+14
Volume 1.104192906022E+21
Height 9937965.3167444