21131690 (number)

21131690 is an even 8-digits composite number following 21131689 and preceding 21131691. In scientific notation, it is written as 2.1131690 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8418000 positive integers (up to 21131690) that are relatively prime to 21131690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131690 × 10^7
Engineering notation 2.1131690 × 10^6

Prime Factorization of 21131690

Prime Factorization 2 × 5 × 251 × 8419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131690
Product of the distinct prime numbers

The prime factorization of 21131690 is 2 × 5 × 251 × 8419. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 21, 28, 207, 788, 7607, 7729, 45557, 24325, 399275, 420564, 6003244, 1194597, 19757213, 12192621, 934108131, 909906899, 9476020043, 5795205622

Basic calculations (n = 21131690)

Multiplication

n×y
n×2 42263380
n×3 63395070
n×4 84526760
n×5 105658450

Division

n÷y
n÷2 10565845
n÷3 7043896.6666667
n÷3 5282922.5
n÷5 4226338

Exponentiation

ny
n2 446548322256100
n3 9.436320715936E+21
n4 1.9940540410974E+29
n5 4.2137731839717E+36

Nth Root

y√n
2√n 4596.9217961588
3√n 276.46791906636
4√n 67.800603213827
5√n 29.17338653058

Divisors of 21131690

1, 2, 5, 10, 251, 502, 1255, 2510, 8419, 16838, 42095, 84190, 2113169, 4226338, 10565845, 21131690

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 -21131689
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 21131690 can be divided by 16 positive divisors. The sum of these divisors (counting 21131690) is 1, the average is 0.0625.

Base conversion 21131690

Base System Value
2 Binary 1010000100111000110101010
3 Ternary 1110202121020012
4 Quaternary 1100213012222
5 Quinary 20402203230
6 Senary 2032531522
8 Octal 120470652
10 Decimal 21131690
12 Duodecimal 70b0ba2
16 Hexadecimal 14271aa
20 Vigesimal 6c194a
36 Base36 ckxbe

Cryptographic Hash Functions

md5 522715d7ba67e65b8f0ef316743f6cfe
sha1 38d0847ca873844d4dae04f0e482d070d116a7c9
sha256 a940498507cf37f00d26d1dd49bd6efae51178e9856de4a9f578c3332cf8d6a2
sha512 897721959dd6fadd0f901d8239b05b33087692c97c65e9d905ea592fb427ac92841355ff4a0d3f277ee62f71206538df469af4941f0c338c10c6782e4862bab2
ripemd-160 af07e11c8046a7e3e2bfaa595e09053fe27cf540

21131690 as geometric shapes

Circle

Radius = n
Diameter 42263380
Circumference 132774324.12387
Area 1.4028729286726E+15

Sphere

Radius = n
Volume 3.9526767784136E+22
Surface area 5.6114917146904E+15
Circumference 132774324.12387

Square

Length = n
Perimeter 84526760
Area 446548322256100
Diagonal 29884722.593864

Cube

Length = n
Surface area 2679289933536600
Volume 9.436320715936E+21
Space diagonal 36601160.729795

Equilateral Triangle

Length = n
Perimeter 63395070
Area 1.9336109554555E+14
Altitude 18300580.364898

Triangular Pyramid

Length = n
Surface area 1.9336109554555E+14
Volume 1.1120810612816E+21
Height 9961574.1979546