129728424 (number)
129728424 is an even 9-digits composite number following 129728423 and preceding 129728425. In scientific notation, it is written as 1.29728424 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 36864000 positive integers (up to 129728424) that are relatively prime to 129728424.
Interesting facts
- 129728424 has 64 divisors, whose sum is 372666240
- The reverse of 129728424 is 424827921
- Previous prime number is 193
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 39
- Digital Root 3
Name
Name | one hundred twenty-nine million seven hundred twenty-eight thousand four hundred twenty-four |
---|
Notation
Scientific notation | 1.29728424 × 10^8 |
---|---|
Engineering notation | 1.29728424 × 10^6 |
Prime Factorization of 129728424
Prime Factorization 2 × 2 × 2 × 3 × 7 × 193 × 4001
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 32432106 | Product of the distinct prime numbers |
The prime factorization of 129728424 is 2 × 2 × 2 × 3 × 7 × 193 × 4001. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129728424)
Multiplication
n×yn×2 | 259456848 |
---|---|
n×3 | 389185272 |
n×4 | 518913696 |
n×5 | 648642120 |
Division
n÷yn÷2 | 64864212 |
---|---|
n÷3 | 43242808 |
n÷3 | 32432106 |
n÷5 | 25945684.8 |
Exponentiation
nyn2 | 16829463993523776 |
---|---|
n3 | 2.1832598406446E+24 |
n4 | 2.8323085830931E+32 |
n5 | 3.6743092876635E+40 |
Nth Root
y√n2√n | 11389.838629234 |
---|---|
3√n | 506.22669985736 |
4√n | 106.72318693346 |
5√n | 41.937933665398 |
Divisors of 129728424
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 | -129728423 | 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 129728424 can be divided by 64 positive divisors. The sum of these divisors (counting 129728424) is 1, the average is 0.015625.
Base conversion 129728424
Base | System | Value |
---|---|---|
2 | Binary | 111101110110111111110101000 |
3 | Ternary | 100001002212221110 |
4 | Quaternary | 13232313332220 |
5 | Quinary | 231202302144 |
6 | Senary | 20512310320 |
8 | Octal | 756677650 |
10 | Decimal | 129728424 |
12 | Duodecimal | 375423a0 |
16 | Hexadecimal | 7bb7fa8 |
20 | Vigesimal | 20ag114 |
36 | Base36 | 258j3c |
Cryptographic Hash Functions
md5 | 32f14f00d2d84923d6ccc4cac280684a |
---|---|
sha1 | 5534418820e04867e5f6a958f8e7b572b32d5058 |
sha256 | a0201d10b5bdaa2cacc2dff431b15379fd0475806079b3be7b88f7afa34e43f2 |
sha512 | efd39dffd1ce6b12fe86c9d023d14df6ae8e42fefc5645f46c4663f542639e935b1a56de63ee1bad67a060dc689d0bf30ccbc4b1bb5176e17e4e1875c48b80a7 |
ripemd-160 | 9ce50829471dc16c3b51f685da5dc1e5e09b3d4a |
129728424 as geometric shapes
Circle
Radius = nDiameter | 259456848 |
---|---|
Circumference | 815107727.60036 |
Area | 5.2871320445908E+16 |
Sphere
Radius = nVolume | 9.1452174349955E+24 |
---|---|
Surface area | 2.1148528178363E+17 |
Circumference | 815107727.60036 |
Square
Length = nPerimeter | 518913696 |
---|---|
Area | 16829463993523776 |
Diagonal | 183463696.64609 |
Cube
Length = nSurface area | 100976783961142656 |
---|---|
Volume | 2.1832598406446E+24 |
Space diagonal | 224696221.55384 |
Equilateral Triangle
Length = nPerimeter | 389185272 |
---|---|
Area | 7.2873716752335E+15 |
Altitude | 112348110.77692 |
Triangular Pyramid
Length = nSurface area | 7.2873716752335E+15 |
---|---|
Volume | 2.5729963973534E+23 |
Height | 61154565.548696 |