129531 (number)

129531 is an odd 6-digits composite number following 129530 and preceding 129532. In scientific notation, it is written as 1.29531 × 10^5. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 86352 positive integers (up to 129531) that are relatively prime to 129531.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29531 × 10^5
Engineering notation 1.29531 × 10^3

Prime Factorization of 129531

Prime Factorization 3 × 43177

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129531
Product of the distinct prime numbers

The prime factorization of 129531 is 3 × 43177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129531)

Multiplication

n×y
n×2 259062
n×3 388593
n×4 518124
n×5 647655

Division

n÷y
n÷2 64765.5
n÷3 43177
n÷3 32382.75
n÷5 25906.2

Exponentiation

ny
n2 16778279961
n3 2173307381628291
n4 2.8151067844969E+20
n5 3.6464359690267E+25

Nth Root

y√n
2√n 359.90415390768
3√n 50.596977327811
4√n 18.971140026569
5√n 10.531124417595

Divisors of 129531

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129530
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129531 can be divided by 4 positive divisors. The sum of these divisors (counting 129531) is 1, the average is 0.25.

Base conversion 129531

Base System Value
2 Binary 11111100111111011
3 Ternary 20120200110
4 Quaternary 133213323
5 Quinary 13121111
6 Senary 2435403
8 Octal 374773
10 Decimal 129531
12 Duodecimal 62b63
16 Hexadecimal 1f9fb
20 Vigesimal g3gb
36 Base36 2ry3

Cryptographic Hash Functions

md5 86b8fc1dc2cfbfb48366ba7c254edbf5
sha1 34251ceae586fc858437add38d7d79493af4007b
sha256 1d09e2eacf403d83b4c741b1fc8a15dacbb3c1b607c4bc5d32fc6d35bd3718c7
sha512 85519979afaa0787a0abfd4467dcb4d6c47f6310949f61bf2752857d76d2a42052aa3d9b3f32384eaff823a5469d17fb4e44e36edc858d7a021669f8a0afc5c7
ripemd-160 8f427a5696fa11ab66278ddd69a6a4ea749a7ad3

129531 as geometric shapes

Circle

Radius = n
Diameter 259062
Circumference 813867.27602428
Area 52710521065.35

Sphere

Radius = n
Volume 9.1035286721545E+15
Surface area 210842084261.4
Circumference 813867.27602428

Square

Length = n
Perimeter 518124
Area 16778279961
Diagonal 183184.49694775

Cube

Length = n
Surface area 100669679766
Volume 2173307381628291
Space diagonal 224354.2731552

Equilateral Triangle

Length = n
Perimeter 388593
Area 7265208339.0167
Altitude 112177.1365776

Triangular Pyramid

Length = n
Surface area 7265208339.0167
Volume 2.5612673119202E+14
Height 61061.498982583