21131429 (number)

21131429 is an odd 8-digits composite number following 21131428 and preceding 21131430. In scientific notation, it is written as 2.1131429 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 18581400 positive integers (up to 21131429) that are relatively prime to 21131429.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand four hundred twenty-nine

Notation

Scientific notation 2.1131429 × 10^7
Engineering notation 2.1131429 × 10^6

Prime Factorization of 21131429

Prime Factorization 11 × 31 × 31 × 1999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 681659
Product of the distinct prime numbers

The prime factorization of 21131429 is 11 × 31 × 31 × 1999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 31, 10, 430, 558, 2018, 976, 41776, 55357, 829618, 453780, 9177225, 186809, 57313132, 70820738, 670768259, 807643689, 1286598902, 406583865

Basic calculations (n = 21131429)

Multiplication

n×y
n×2 42262858
n×3 63394287
n×4 84525716
n×5 105657145

Division

n÷y
n÷2 10565714.5
n÷3 7043809.6666667
n÷3 5282857.25
n÷5 4226285.8

Exponentiation

ny
n2 446537291582041
n3 9.4359710729182E+21
n4 1.9939555277342E+29
n5 4.2135129663474E+36

Nth Root

y√n
2√n 4596.893407509
3√n 276.46678083236
4√n 67.800393859542
5√n 29.173314465435

Divisors of 21131429

1, 11, 31, 341, 961, 1999, 10571, 21989, 61969, 681659, 1921039, 21131429

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131428
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131429 can be divided by 12 positive divisors. The sum of these divisors (counting 21131429) is 1, the average is 0.083333333333333.

Base conversion 21131429

Base System Value
2 Binary 1010000100111000010100101
3 Ternary 1110202120212112
4 Quaternary 1100213002211
5 Quinary 20402201204
6 Senary 2032530405
8 Octal 120470245
10 Decimal 21131429
12 Duodecimal 70b0a05
16 Hexadecimal 14270a5
20 Vigesimal 6c18b9
36 Base36 ckx45

Cryptographic Hash Functions

md5 2ddba9943109747f82c452af69aace2a
sha1 07e153d74ed6a2fff15dee96b29ad5573db586f3
sha256 09d857088e7d39c4195f8bd6e58ea0b07b87b1abdd3d5e1d6f12f42b043b0ce8
sha512 41ea13032d53ecd3af224f55b498c32ebf031c199b5be1d952b61ecfe7940d9dd9ea29066dbdb1a0fbc9865d9842ce0013408cd6038d33c4788844f753ca3fd5
ripemd-160 e49bea9ecdc9aa0ed8e149e85a5ca43474e87659

21131429 as geometric shapes

Circle

Radius = n
Diameter 42262858
Circumference 132772684.21251
Area 1.402838274788E+15

Sphere

Radius = n
Volume 3.9525303202887E+22
Surface area 5.6113530991521E+15
Circumference 132772684.21251

Square

Length = n
Perimeter 84525716
Area 446537291582041
Diagonal 29884353.484124

Cube

Length = n
Surface area 2679223749492246
Volume 9.4359710729182E+21
Space diagonal 36600708.664534

Equilateral Triangle

Length = n
Perimeter 63394287
Area 1.9335631912357E+14
Altitude 18300354.332267

Triangular Pyramid

Length = n
Surface area 1.9335631912357E+14
Volume 1.1120398554568E+21
Height 9961451.1613747