129121664 (number)
129121664 is an even 9-digits composite number following 129121663 and preceding 129121665. In scientific notation, it is written as 1.29121664 × 10^8. The sum of its digits is 32. It has a total of 12 prime factors and 128 positive divisors. There are 51781632 positive integers (up to 129121664) that are relatively prime to 129121664.
Interesting facts
- 129121664 has 128 divisors, whose sum is 319464000
- The reverse of 129121664 is 466121921
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 32
- Digital Root 5
Name
Name | one hundred twenty-nine million one hundred twenty-one thousand six hundred sixty-four |
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Notation
Scientific notation | 1.29121664 × 10^8 |
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Engineering notation | 1.29121664 × 10^6 |
Prime Factorization of 129121664
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 17 × 173
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 12 | Total number of prime factors |
rad | Radical | 41174 | Product of the distinct prime numbers |
The prime factorization of 129121664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 17 × 173. Since it has a total of 12 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129121664)
Multiplication
n×yn×2 | 258243328 |
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n×3 | 387364992 |
n×4 | 516486656 |
n×5 | 645608320 |
Division
n÷yn÷2 | 64560832 |
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n÷3 | 43040554.666667 |
n÷3 | 32280416 |
n÷5 | 25824332.8 |
Exponentiation
nyn2 | 16672404114128896 |
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n3 | 2.1527685620968E+24 |
n4 | 2.7796905894482E+32 |
n5 | 3.589182743147E+40 |
Nth Root
y√n2√n | 11363.171388305 |
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3√n | 505.43623254485 |
4√n | 106.59817722787 |
5√n | 41.89863001809 |
Divisors of 129121664
128 divisors
τ | Total Divisors | 128 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -129121663 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 129121664 can be divided by 128 positive divisors. The sum of these divisors (counting 129121664) is 1, the average is 0.0078125.
Base conversion 129121664
Base | System | Value |
---|---|---|
2 | Binary | 111101100100011110110000000 |
3 | Ternary | 22222222001121212 |
4 | Quaternary | 13230203312000 |
5 | Quinary | 231023343124 |
6 | Senary | 20451305252 |
8 | Octal | 754436600 |
10 | Decimal | 129121664 |
12 | Duodecimal | 372ab228 |
16 | Hexadecimal | 7b23d80 |
20 | Vigesimal | 2070434 |
36 | Base36 | 24viww |
Cryptographic Hash Functions
md5 | 0ef28431866ee5d6a65e925ebaf99d83 |
---|---|
sha1 | 87e2f7c0aba9fc677da167f562ed953a7cce89a2 |
sha256 | 8d2b3610685fb15c05a488209dc011c9faa2fdce5ef15a9ace563792191d9070 |
sha512 | 8a9bee711e6141e533ab7cfe6872e9f541b05e99fcc6488cfd4e8eab5218f91f6d21d25eed01620ad66020dec199abc7acf7a428f920c9f27b6555a858e8d5d2 |
ripemd-160 | a06a5a776aa200e694aae32b08dd6e552956eac9 |
129121664 as geometric shapes
Circle
Radius = nDiameter | 258243328 |
---|---|
Circumference | 811295342.08338 |
Area | 5.2377902282628E+16 |
Sphere
Radius = nVolume | 9.017495866083E+24 |
---|---|
Surface area | 2.0951160913051E+17 |
Circumference | 811295342.08338 |
Square
Length = nPerimeter | 516486656 |
---|---|
Area | 16672404114128896 |
Diagonal | 182605608.42498 |
Cube
Length = nSurface area | 100034424684773376 |
---|---|
Volume | 2.1527685620968E+24 |
Space diagonal | 223645282.40584 |
Equilateral Triangle
Length = nPerimeter | 387364992 |
---|---|
Area | 7.2193627524979E+15 |
Altitude | 111822641.20292 |
Triangular Pyramid
Length = nSurface area | 7.2193627524979E+15 |
---|---|
Volume | 2.5370620809731E+23 |
Height | 60868536.141661 |