21131187 (number)

21131187 is an odd 8-digits composite number following 21131186 and preceding 21131188. In scientific notation, it is written as 2.1131187 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10329600 positive integers (up to 21131187) that are relatively prime to 21131187.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand one hundred eighty-seven

Notation

Scientific notation 2.1131187 × 10^7
Engineering notation 2.1131187 × 10^6

Prime Factorization of 21131187

Prime Factorization 51 × 77 × 5381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131187
Product of the distinct prime numbers

The prime factorization of 21131187 is 51 × 77 × 5381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131187)

Multiplication

n×y
n×2 42262374
n×3 63393561
n×4 84524748
n×5 105655935

Division

n÷y
n÷2 10565593.5
n÷3 7043729
n÷3 5282796.75
n÷5 4226237.4

Exponentiation

ny
n2 446527064028969
n3 9.4356468905571E+21
n4 1.9938641891033E+29
n5 4.2132717032545E+36

Nth Root

y√n
2√n 4596.8670853093
3√n 276.46572544994
4√n 67.800199743875
5√n 29.173247645776

Divisors of 21131187

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 -21131186
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 21131187 can be divided by 8 positive divisors. The sum of these divisors (counting 21131187) is 1, the average is 0.125.

Base conversion 21131187

Base System Value
2 Binary 1010000100110111110110011
3 Ternary 1110202120112120
4 Quaternary 1100212332303
5 Quinary 20402144222
6 Senary 2032525323
8 Octal 120467663
10 Decimal 21131187
12 Duodecimal 70b0843
16 Hexadecimal 1426fb3
20 Vigesimal 6c17j7
36 Base36 ckwxf

Cryptographic Hash Functions

md5 1a85e582bec607110dd0fe38763adb4f
sha1 edbf2574fcb1504f4148cac469b0cbcb6cd1af40
sha256 f747d2352c2557339e15aac621893aea1cbd0e83bf95369594b49d1ddd424ee6
sha512 7b038d2e2105d32d4b57fa5d2871e3792162778292e4de5ec823dfd8c8f9c32242fafd01496b90a3cd955f41ad1085cb19fe5f2db92be2830bc6042416c83e9d
ripemd-160 94aa6f29617ad3fe85e07bdd63cfe6bb08ef87ad

21131187 as geometric shapes

Circle

Radius = n
Diameter 42262374
Circumference 132771163.68166
Area 1.4028061439824E+15

Sphere

Radius = n
Volume 3.9523945270989E+22
Surface area 5.6112245759297E+15
Circumference 132771163.68166

Square

Length = n
Perimeter 84524748
Area 446527064028969
Diagonal 29884011.244442

Cube

Length = n
Surface area 2679162384173814
Volume 9.4356468905571E+21
Space diagonal 36600289.508239

Equilateral Triangle

Length = n
Perimeter 63393561
Area 1.9335189046318E+14
Altitude 18300144.754119

Triangular Pyramid

Length = n
Surface area 1.9335189046318E+14
Volume 1.1120016501991E+21
Height 9961337.0814807