20129531 (number)

20129531 is an odd 8-digits composite number following 20129530 and preceding 20129532. In scientific notation, it is written as 2.0129531 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 17962560 positive integers (up to 20129531) that are relatively prime to 20129531.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129531 × 10^7
Engineering notation 2.0129531 × 10^6

Prime Factorization of 20129531

Prime Factorization 19 × 73 × 23 × 631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20129531
Product of the distinct prime numbers

The prime factorization of 20129531 is 19 × 73 × 23 × 631. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129531)

Multiplication

n×y
n×2 40259062
n×3 60388593
n×4 80518124
n×5 100647655

Division

n÷y
n÷2 10064765.5
n÷3 6709843.6666667
n÷3 5032382.75
n÷5 4025906.2

Exponentiation

ny
n2 405198018279961
n3 8.156446070105E+21
n4 1.6418543401801E+29
n5 3.3049757838139E+36

Nth Root

y√n
2√n 4486.5945883264
3√n 272.02650314847
4√n 66.982046761251
5√n 28.891276540909

Divisors of 20129531

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 -20129530
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 20129531 can be divided by 16 positive divisors. The sum of these divisors (counting 20129531) is 1, the average is 0.0625.

Base conversion 20129531

Base System Value
2 Binary 1001100110010011011111011
3 Ternary 1101212200112012
4 Quaternary 1030302123323
5 Quinary 20123121111
6 Senary 1555240135
8 Octal 114623373
10 Decimal 20129531
12 Duodecimal 68a904b
16 Hexadecimal 13326fb
20 Vigesimal 65g3gb
36 Base36 bzg1n

Cryptographic Hash Functions

md5 a5dde70e08c63072312f5bf5e089be09
sha1 8ef7b90477b74cd34530151c033141a2fdda7ab7
sha256 5f8b677c808bb06a9e6db279bf7a563dc2ea647b024c6435e9bda2f7717aa10c
sha512 fd2724a2ea80aed3865acade44c71aa9e4e2e5d1fcbffff3c95c9c53c3d8b333ee4b8ed32d4fe9d65da471821f566e496aaafe00b97e36ab0a7b5f582ce79ef3
ripemd-160 6443361934c166d8222f37b08b0cc304cd2ca2d2

20129531 as geometric shapes

Circle

Radius = n
Diameter 40259062
Circumference 126477573.41962
Area 1.2729671174775E+15

Sphere

Radius = n
Volume 3.4165641404324E+22
Surface area 5.0918684699099E+15
Circumference 126477573.41962

Square

Length = n
Perimeter 80518124
Area 405198018279961
Diagonal 28467455.74441

Cube

Length = n
Surface area 2431188109679766
Volume 8.156446070105E+21
Space diagonal 34865370.424533

Equilateral Triangle

Length = n
Perimeter 60388593
Area 1.7545588869678E+14
Altitude 17432685.212266

Triangular Pyramid

Length = n
Surface area 1.7545588869678E+14
Volume 9.6124638775894E+20
Height 9489151.9148032