21131208 (number)

21131208 is an even 8-digits composite number following 21131207 and preceding 21131209. In scientific notation, it is written as 2.1131208 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 6037344 positive integers (up to 21131208) that are relatively prime to 21131208.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred eight

Notation

Scientific notation 2.1131208 × 10^7
Engineering notation 2.1131208 × 10^6

Prime Factorization of 21131208

Prime Factorization 2 × 2 × 2 × 63 × 41927

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5282802
Product of the distinct prime numbers

The prime factorization of 21131208 is 2 × 2 × 2 × 63 × 41927. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 62, 90, 970, 936, 9380, 5445, 95744, 36217, 122400, 542513, 4015192, 4474409, 65307195, 81647450, 298686469, 570000991, 5839512556, 8835269040

Basic calculations (n = 21131208)

Multiplication

n×y
n×2 42262416
n×3 63393624
n×4 84524832
n×5 105656040

Division

n÷y
n÷2 10565604
n÷3 7043736
n÷3 5282802
n÷5 4226241.6

Exponentiation

ny
n2 446527951539264
n3 9.4356750217901E+21
n4 1.9938721150585E+29
n5 4.2132926388701E+36

Nth Root

y√n
2√n 4596.8693694731
3√n 276.46581703303
4√n 67.800216588689
5√n 29.1732534442

Divisors of 21131208

1, 2, 4, 8, 63, 126, 252, 504, 41927, 83854, 167708, 335416, 2641401, 5282802, 10565604, 21131208

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131207
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131208 can be divided by 16 positive divisors. The sum of these divisors (counting 21131208) is 1, the average is 0.0625.

Base conversion 21131208

Base System Value
2 Binary 1010000100110111111001000
3 Ternary 1110202120120100
4 Quaternary 1100212333020
5 Quinary 20402144313
6 Senary 2032525400
8 Octal 120467710
10 Decimal 21131208
12 Duodecimal 70b0860
16 Hexadecimal 1426fc8
20 Vigesimal 6c1808
36 Base36 ckwy0

Cryptographic Hash Functions

md5 2c8e56e9f4323491bf474277adfe4dec
sha1 7bac4a257c0a51ad034a8d4a874663f37a88234e
sha256 53c6f761cc36a1fbe221f9aee45a7ac37353b578fe9cd9c71ba2c5be05e97db7
sha512 8758be947d073c808096c942500635fb0851471a522fd946c6b9f7c9e081ea65155ff8fa46a54461856e7d1318af0402b6ec34b4a15d08f46c3941a343faba93
ripemd-160 59a06c8554c0583dd7ac9f5a205acb9f6eece6bf

21131208 as geometric shapes

Circle

Radius = n
Diameter 42262416
Circumference 132771295.62856
Area 1.4028089321783E+15

Sphere

Radius = n
Volume 3.9524063106822E+22
Surface area 5.611235728713E+15
Circumference 132771295.62856

Square

Length = n
Perimeter 84524832
Area 446527951539264
Diagonal 29884040.942927

Cube

Length = n
Surface area 2679167709235584
Volume 9.4356750217901E+21
Space diagonal 36600325.881306

Equilateral Triangle

Length = n
Perimeter 63393624
Area 1.9335227476641E+14
Altitude 18300162.940653

Triangular Pyramid

Length = n
Surface area 1.9335227476641E+14
Volume 1.1120049654967E+21
Height 9961346.9809756