21279908 (number)

21279908 is an even 8-digits composite number following 21279907 and preceding 21279909. In scientific notation, it is written as 2.1279908 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 9611424 positive integers (up to 21279908) that are relatively prime to 21279908.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand nine hundred eight

Notation

Scientific notation 2.1279908 × 10^7
Engineering notation 2.1279908 × 10^6

Prime Factorization of 21279908

Prime Factorization 2 × 2 × 13 × 47 × 8707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10639954
Product of the distinct prime numbers

The prime factorization of 21279908 is 2 × 2 × 13 × 47 × 8707. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 44, 89, 561, 397, 601, 2357, 63817, 15987, 991637, 763871, 7116599, 457710, 74174896, 51012781, 926803915, 171150456, 9868021552, 5304270118

Basic calculations (n = 21279908)

Multiplication

n×y
n×2 42559816
n×3 63839724
n×4 85119632
n×5 106399540

Division

n÷y
n÷2 10639954
n÷3 7093302.6666667
n÷3 5319977
n÷5 4255981.6

Exponentiation

ny
n2 452834484488464
n3 9.6362761691419E+21
n4 2.0505907034193E+29
n5 4.3636381514419E+36

Nth Root

y√n
2√n 4613.0150660929
3√n 277.112797098
4√n 67.919180399154
5√n 29.214196710076

Divisors of 21279908

1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8707, 17414, 34828, 113191, 226382, 409229, 452764, 818458, 1636916, 5319977, 10639954, 21279908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21279907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21279908 can be divided by 24 positive divisors. The sum of these divisors (counting 21279908) is 1, the average is 0.041666666666667.

Base conversion 21279908

Base System Value
2 Binary 1010001001011010010100100
3 Ternary 1111001010112202
4 Quaternary 1101023102210
5 Quinary 20421424113
6 Senary 2040034032
8 Octal 121132244
10 Decimal 21279908
12 Duodecimal 7162918
16 Hexadecimal 144b4a4
20 Vigesimal 6cjjf8
36 Base36 co3ok

Cryptographic Hash Functions

md5 9aa3175ca3c6830c8935903a09cfc089
sha1 285782a5ce839f488a06d5be7245ed3a1c337dcf
sha256 721db07b013f58cad4f7148aadfecf85aaf7334ea2e7b3065083c68f3c688b65
sha512 6b2dfb870fce5817a209188fe83b7265063428aea6f2b38d0534b94df90cd1b29105cfbdb056240539c399f841a5929b7f5070aa99d9103c35d721aa236060dc
ripemd-160 51af7f52336599ae32e7933016113b082b6d0f5e

21279908 as geometric shapes

Circle

Radius = n
Diameter 42559816
Circumference 133705605.28373
Area 1.4226214897611E+15

Sphere

Radius = n
Volume 4.0364339227918E+22
Surface area 5.6904859590443E+15
Circumference 133705605.28373

Square

Length = n
Perimeter 85119632
Area 452834484488464
Diagonal 30094334.499652

Cube

Length = n
Surface area 2717006906930784
Volume 9.6362761691419E+21
Space diagonal 36857881.836391

Equilateral Triangle

Length = n
Perimeter 63839724
Area 1.9608308363832E+14
Altitude 18428940.918196

Triangular Pyramid

Length = n
Surface area 1.9608308363832E+14
Volume 1.1356460374311E+21
Height 10031444.833217