129121800 (number)

129121800 is an even 9-digits composite number following 129121799 and preceding 129121801. In scientific notation, it is written as 1.29121800 × 10^8. The sum of its digits is 24. It has a total of 7 prime factors and 64 positive divisors. There are 32404480 positive integers (up to 129121800) that are relatively prime to 129121800.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-one thousand eight hundred

Notation

Scientific notation 1.29121800 × 10^8
Engineering notation 1.29121800 × 10^6

Prime Factorization of 129121800

Prime Factorization 2 × 2 × 2 × 15 × 5 × 17 × 12659

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32280450
Product of the distinct prime numbers

The prime factorization of 129121800 is 2 × 2 × 2 × 15 × 5 × 17 × 12659. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129121800)

Multiplication

n×y
n×2 258243600
n×3 387365400
n×4 516487200
n×5 645609000

Division

n÷y
n÷2 64560900
n÷3 43040600
n÷3 32280450
n÷5 25824360

Exponentiation

ny
n2 16672439235240000
n3 2.1527753644448E+24
n4 2.7797023005277E+32
n5 3.5892016450828E+40

Nth Root

y√n
2√n 11363.177372549
3√n 505.43640999843
4√n 106.59820529703
5√n 41.898638844202

Divisors of 129121800

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121799
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121800 can be divided by 64 positive divisors. The sum of these divisors (counting 129121800) is 1, the average is 0.015625.

Base conversion 129121800

Base System Value
2 Binary 111101100100011111000001000
3 Ternary 22222222001210220
4 Quaternary 13230203320020
5 Quinary 231023344200
6 Senary 20451310040
8 Octal 754437010
10 Decimal 129121800
12 Duodecimal 372ab320
16 Hexadecimal 7b23e08
20 Vigesimal 20704a0
36 Base36 24vj0o

Cryptographic Hash Functions

md5 7919d7da6d5e6eb0da478f579b77db77
sha1 bafa29a1745183ce70f57416166a861f5e6f0aa5
sha256 09e6822150d16bddd1c26c66ecbfcc253f93bf73ad3e55d6fd8aca0277f6ddfd
sha512 01ce84c8061e478b61fcf10f64880bff6d05b28106004aa515dbcf53e411e5c95d2f160b0b8e0d7036849819d262cd46c5d13e9bcd89c8b91e655bce59dce809
ripemd-160 cfcd750283b1b9dfd6196e9b0983e1093d6e685e

129121800 as geometric shapes

Circle

Radius = n
Diameter 258243600
Circumference 811296196.59658
Area 5.2378012618852E+16

Sphere

Radius = n
Volume 9.0175243596919E+24
Surface area 2.0951205047541E+17
Circumference 811296196.59658

Square

Length = n
Perimeter 516487200
Area 16672439235240000
Diagonal 182605800.75803

Cube

Length = n
Surface area 100034635411440000
Volume 2.1527753644448E+24
Space diagonal 223645517.96475

Equilateral Triangle

Length = n
Perimeter 387365400
Area 7.2193779603851E+15
Altitude 111822758.98237

Triangular Pyramid

Length = n
Surface area 7.2193779603851E+15
Volume 2.5370700976171E+23
Height 60868600.252675