21131390 (number)

21131390 is an even 8-digits composite number following 21131389 and preceding 21131391. In scientific notation, it is written as 2.1131390 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 7245024 positive integers (up to 21131390) that are relatively prime to 21131390.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand three hundred ninety

Notation

Scientific notation 2.1131390 × 10^7
Engineering notation 2.1131390 × 10^6

Prime Factorization of 21131390

Prime Factorization 2 × 5 × 7 × 301877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131390
Product of the distinct prime numbers

The prime factorization of 21131390 is 2 × 5 × 7 × 301877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 83, 25, 719, 303, 6475, 4454, 57893, 85761, 622911, 89677, 9708607, 681739, 62522294, 26005703, 793061659, 286060809, 8721376523, 4008086392

Basic calculations (n = 21131390)

Multiplication

n×y
n×2 42262780
n×3 63394170
n×4 84525560
n×5 105656950

Division

n÷y
n÷2 10565695
n÷3 7043796.6666667
n÷3 5282847.5
n÷5 4226278

Exponentiation

ny
n2 446535643332100
n3 9.4359188281515E+21
n4 1.9939408076601E+29
n5 4.2134740843581E+36

Nth Root

y√n
2√n 4596.8891655118
3√n 276.46661075061
4√n 67.800362576551
5√n 29.173303697019

Divisors of 21131390

1, 2, 5, 7, 10, 14, 35, 70, 301877, 603754, 1509385, 2113139, 3018770, 4226278, 10565695, 21131390

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 -21131389
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 21131390 can be divided by 16 positive divisors. The sum of these divisors (counting 21131390) is 1, the average is 0.0625.

Base conversion 21131390

Base System Value
2 Binary 1010000100111000001111110
3 Ternary 1110202120211002
4 Quaternary 1100213001332
5 Quinary 20402201030
6 Senary 2032530302
8 Octal 120470176
10 Decimal 21131390
12 Duodecimal 70b0992
16 Hexadecimal 142707e
20 Vigesimal 6c189a
36 Base36 ckx32

Cryptographic Hash Functions

md5 ae86bf10f750f0a93b63ae9c86525ea1
sha1 07d57c703ef4f070515b1ce1d21e599fc7bed82c
sha256 45443f61393606cfc06bb30647469840c7fc6491e08ab747a3ebe2b7f5db33b1
sha512 0676785329135677ef65329aa36855a75ba6aa9cafd550a5a5e6c86294a2854a55016ba0f0bd16c368dabb73b4b987c60702dc5d9b59a3565a83e13a3b9a408d
ripemd-160 68a73c62782d064ae2302ab8410985d531235914

21131390 as geometric shapes

Circle

Radius = n
Diameter 42262780
Circumference 132772439.16828
Area 1.4028330966581E+15

Sphere

Radius = n
Volume 3.9525084360521E+22
Surface area 5.6113323866325E+15
Circumference 132772439.16828

Square

Length = n
Perimeter 84525560
Area 446535643332100
Diagonal 29884298.329795

Cube

Length = n
Surface area 2679213859992600
Volume 9.4359188281515E+21
Space diagonal 36600641.114553

Equilateral Triangle

Length = n
Perimeter 63394170
Area 1.9335560541041E+14
Altitude 18300320.557276

Triangular Pyramid

Length = n
Surface area 1.9335560541041E+14
Volume 1.112033698352E+21
Height 9961432.7765984