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
- 129121800 has 64 divisors, whose sum is 328147200
- The reverse of 129121800 is 008121921
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 24
- Digital Root 6
Name
Name | one hundred twenty-nine million one hundred twenty-one thousand eight hundred |
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Notation
Scientific notation | 1.29121800 × 10^8 |
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Engineering notation | 1.29121800 × 10^6 |
Prime Factorization of 129121800
Prime Factorization 2 × 2 × 2 × 15 × 5 × 17 × 12659
Composite numberω | 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×yn×2 | 258243600 |
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n×3 | 387365400 |
n×4 | 516487200 |
n×5 | 645609000 |
Division
n÷yn÷2 | 64560900 |
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n÷3 | 43040600 |
n÷3 | 32280450 |
n÷5 | 25824360 |
Exponentiation
nyn2 | 16672439235240000 |
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n3 | 2.1527753644448E+24 |
n4 | 2.7797023005277E+32 |
n5 | 3.5892016450828E+40 |
Nth Root
y√n2√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 = nDiameter | 258243600 |
---|---|
Circumference | 811296196.59658 |
Area | 5.2378012618852E+16 |
Sphere
Radius = nVolume | 9.0175243596919E+24 |
---|---|
Surface area | 2.0951205047541E+17 |
Circumference | 811296196.59658 |
Square
Length = nPerimeter | 516487200 |
---|---|
Area | 16672439235240000 |
Diagonal | 182605800.75803 |
Cube
Length = nSurface area | 100034635411440000 |
---|---|
Volume | 2.1527753644448E+24 |
Space diagonal | 223645517.96475 |
Equilateral Triangle
Length = nPerimeter | 387365400 |
---|---|
Area | 7.2193779603851E+15 |
Altitude | 111822758.98237 |
Triangular Pyramid
Length = nSurface area | 7.2193779603851E+15 |
---|---|
Volume | 2.5370700976171E+23 |
Height | 60868600.252675 |