129968688 (number)
129968688 is an even 9-digits composite number following 129968687 and preceding 129968689. In scientific notation, it is written as 1.29968688 × 10^8. The sum of its digits is 57. It has a total of 7 prime factors and 40 positive divisors. There are 42265600 positive integers (up to 129968688) that are relatively prime to 129968688.
Interesting facts
- 129968688 has 40 divisors, whose sum is 343946736
- The reverse of 129968688 is 886869921
- Previous prime number is 41
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 57
- Digital Root 3
Name
Name | one hundred twenty-nine million nine hundred sixty-eight thousand six hundred eighty-eight |
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Notation
Scientific notation | 1.29968688 × 10^8 |
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Engineering notation | 1.29968688 × 10^6 |
Prime Factorization of 129968688
Prime Factorization 2 × 2 × 2 × 2 × 3 × 41 × 66041
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 16246086 | Product of the distinct prime numbers |
The prime factorization of 129968688 is 2 × 2 × 2 × 2 × 3 × 41 × 66041. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129968688)
Multiplication
n×yn×2 | 259937376 |
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n×3 | 389906064 |
n×4 | 519874752 |
n×5 | 649843440 |
Division
n÷yn÷2 | 64984344 |
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n÷3 | 43322896 |
n÷3 | 32492172 |
n÷5 | 25993737.6 |
Exponentiation
nyn2 | 16891859860441344 |
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n3 | 2.1954128639414E+24 |
n4 | 2.8533492954479E+32 |
n5 | 3.7084606433509E+40 |
Nth Root
y√n2√n | 11400.381046263 |
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3√n | 506.53902678877 |
4√n | 106.77256691802 |
5√n | 41.953456430603 |
Divisors of 129968688
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -129968687 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 129968688 can be divided by 40 positive divisors. The sum of these divisors (counting 129968688) is 1, the average is 0.025.
Base conversion 129968688
Base | System | Value |
---|---|---|
2 | Binary | 111101111110010101000110000 |
3 | Ternary | 100001120002112010 |
4 | Quaternary | 13233302220300 |
5 | Quinary | 231232444223 |
6 | Senary | 20521402520 |
8 | Octal | 757625060 |
10 | Decimal | 129968688 |
12 | Duodecimal | 37639440 |
16 | Hexadecimal | 7bf2a30 |
20 | Vigesimal | 20c61e8 |
36 | Base36 | 25dohc |
Cryptographic Hash Functions
md5 | 288027c72205bfe5360c145f6aedfd4b |
---|---|
sha1 | 9e6d4bffc47ac9862b5b900b373a0eaa7ebc4528 |
sha256 | c7aa0053866efc640fee50ca30a732643da4ab8a9da2468d06200d2cb2260469 |
sha512 | a7baf79593258a602d67d30531d854f7349a7dc8960f0a7b1cbcb970a50c89269f1e312bff163fcd71d3bfc7fa916d47d26b9fb2b3660a29970c24ecd3911bc2 |
ripemd-160 | 8b69686cb6c803ab223f79d5e2059ca4845aa80c |
129968688 as geometric shapes
Circle
Radius = nDiameter | 259937376 |
---|---|
Circumference | 816617350.83501 |
Area | 5.3067342843031E+16 |
Sphere
Radius = nVolume | 9.1961238999399E+24 |
---|---|
Surface area | 2.1226937137212E+17 |
Circumference | 816617350.83501 |
Square
Length = nPerimeter | 519874752 |
---|---|
Area | 16891859860441344 |
Diagonal | 183803481.25344 |
Cube
Length = nSurface area | 101351159162648064 |
---|---|
Volume | 2.1954128639414E+24 |
Space diagonal | 225112371.00907 |
Equilateral Triangle
Length = nPerimeter | 389906064 |
---|---|
Area | 7.3143898781544E+15 |
Altitude | 112556185.50453 |
Triangular Pyramid
Length = nSurface area | 7.3143898781544E+15 |
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Volume | 2.5873188726619E+23 |
Height | 61267827.084479 |