129123520 (number)

129123520 is an even 9-digits composite number following 129123519 and preceding 129123521. In scientific notation, it is written as 1.29123520 × 10^8. The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors. There are 51649280 positive integers (up to 129123520) that are relatively prime to 129123520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29123520 × 10^8
Engineering notation 1.29123520 × 10^6

Prime Factorization of 129123520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 403511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 4035110
Product of the distinct prime numbers

The prime factorization of 129123520 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 403511. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129123520)

Multiplication

n×y
n×2 258247040
n×3 387370560
n×4 516494080
n×5 645617600

Division

n÷y
n÷2 64561760
n÷3 43041173.333333
n÷3 32280880
n÷5 25824704

Exponentiation

ny
n2 16672883417190400
n3 2.1528613953773E+24
n4 2.7798504144322E+32
n5 3.5894407058495E+40

Nth Root

y√n
2√n 11363.253055353
3√n 505.43865425351
4√n 106.59856028743
5√n 41.898750467916

Divisors of 129123520

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129123519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129123520 can be divided by 28 positive divisors. The sum of these divisors (counting 129123520) is 1, the average is 0.035714285714286.

Base conversion 129123520

Base System Value
2 Binary 111101100100100010011000000
3 Ternary 22222222011011121
4 Quaternary 13230210103000
5 Quinary 231023423040
6 Senary 20451322024
8 Octal 754442300
10 Decimal 129123520
12 Duodecimal 372b0314
16 Hexadecimal 7b244c0
20 Vigesimal 20708g0
36 Base36 24vkcg

Cryptographic Hash Functions

md5 5ef7f8f91e4060c54ed8e5e3590ff898
sha1 28fffc6f893fc10b8894bb58690a1f7f28a72cef
sha256 c83ecd4d3fcb39389cfa196f30586fafaf1fa257e5d82a8bc38c4af1d0c38cfc
sha512 28cf95eed6de3fc742022cfaeba46cd5c41602082489b92c9305fde0fb61bb23e9dd4f7226b9345a99aa8b226f90b4edaabe9472adaa9a06cdee56bc92d09872
ripemd-160 d439cf5f50b04e5f5b6768d0b18b24dd8a693561

129123520 as geometric shapes

Circle

Radius = n
Diameter 258247040
Circumference 811307003.67531
Area 5.2379408057604E+16

Sphere

Radius = n
Volume 9.017884725219E+24
Surface area 2.0951763223042E+17
Circumference 811307003.67531

Square

Length = n
Perimeter 516494080
Area 16672883417190400
Diagonal 182608233.20535

Cube

Length = n
Surface area 100037300503142400
Volume 2.1528613953773E+24
Space diagonal 223648497.09214

Equilateral Triangle

Length = n
Perimeter 387370560
Area 7.2195702968116E+15
Altitude 111824248.54607

Triangular Pyramid

Length = n
Surface area 7.2195702968116E+15
Volume 2.5371714860433E+23
Height 60869411.068451