129129920 (number)
129129920 is an even 9-digits composite number following 129129919 and preceding 129129921. In scientific notation, it is written as 1.29129920 × 10^8. The sum of its digits is 35. It has a total of 9 prime factors and 56 positive divisors. There are 51480576 positive integers (up to 129129920) that are relatively prime to 129129920.
Interesting facts
- 129129920 has 56 divisors, whose sum is 308512464
- The reverse of 129129920 is 029921921
- Previous prime number is 883
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 35
- Digital Root 8
Name
Name | one hundred twenty-nine million one hundred twenty-nine thousand nine hundred twenty |
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Notation
Scientific notation | 1.29129920 × 10^8 |
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Engineering notation | 1.29129920 × 10^6 |
Prime Factorization of 129129920
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 883 × 457
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 4035310 | Product of the distinct prime numbers |
The prime factorization of 129129920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 883 × 457. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129129920)
Multiplication
n×yn×2 | 258259840 |
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n×3 | 387389760 |
n×4 | 516519680 |
n×5 | 645649600 |
Division
n÷yn÷2 | 64564960 |
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n÷3 | 43043306.666667 |
n÷3 | 32282480 |
n÷5 | 25825984 |
Exponentiation
nyn2 | 16674536239206400 |
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n3 | 2.1531815306058E+24 |
n4 | 2.7804015879261E+32 |
n5 | 3.5903303461677E+40 |
Nth Root
y√n2√n | 11363.534661363 |
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3√n | 505.44700479502 |
4√n | 106.59988115079 |
5√n | 41.899165801524 |
Divisors of 129129920
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -129129919 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 129129920 can be divided by 56 positive divisors. The sum of these divisors (counting 129129920) is 1, the average is 0.017857142857143.
Base conversion 129129920
Base | System | Value |
---|---|---|
2 | Binary | 111101100100101110111000000 |
3 | Ternary | 22222222110221122 |
4 | Quaternary | 13230211313000 |
5 | Quinary | 231024124140 |
6 | Senary | 20451411412 |
8 | Octal | 754456700 |
10 | Decimal | 129129920 |
12 | Duodecimal | 372b3b68 |
16 | Hexadecimal | 7b25dc0 |
20 | Vigesimal | 20714g0 |
36 | Base36 | 24vpa8 |
Cryptographic Hash Functions
md5 | d9e550706000e9d6aada4c0080579984 |
---|---|
sha1 | c13770f046dfa80dc1c141a7781dba9b86356b47 |
sha256 | 8deec6c5cbc97e178098a2b3261e1e21358a37032f56395ca10fb889c60eb4af |
sha512 | 6deb71f198163dfddeee2096479c7fd871234fa06652a77ed1c0e899a7f9f2ba0204fb9f22d62c0196c8f690a2202aac59355e66cd595b404d2239fa4800f0f6 |
ripemd-160 | ac990fd9c9c760be99f5bdcba2c74fb4f08fdd9b |
129129920 as geometric shapes
Circle
Radius = nDiameter | 258259840 |
---|---|
Circumference | 811347216.06128 |
Area | 5.2384600551108E+16 |
Sphere
Radius = nVolume | 9.0192257045286E+24 |
---|---|
Surface area | 2.0953840220443E+17 |
Circumference | 811347216.06128 |
Square
Length = nPerimeter | 516519680 |
---|---|
Area | 16674536239206400 |
Diagonal | 182617284.17215 |
Cube
Length = nSurface area | 100047217435238400 |
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Volume | 2.1531815306058E+24 |
Space diagonal | 223659582.2173 |
Equilateral Triangle
Length = nPerimeter | 387389760 |
---|---|
Area | 7.2202859897385E+15 |
Altitude | 111829791.10865 |
Triangular Pyramid
Length = nSurface area | 7.2202859897385E+15 |
---|---|
Volume | 2.5375487690283E+23 |
Height | 60872428.057384 |