129249912 (number)
129249912 is an even 9-digits composite number following 129249911 and preceding 129249913. In scientific notation, it is written as 1.29249912 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 35635200 positive integers (up to 129249912) that are relatively prime to 129249912.
Interesting facts
- 129249912 has 64 divisors, whose sum is 273196800
- The reverse of 129249912 is 219942921
- Previous prime number is 31
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 two hundred forty-nine thousand nine hundred twelve |
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Notation
Scientific notation | 1.29249912 × 10^8 |
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Engineering notation | 1.29249912 × 10^6 |
Prime Factorization of 129249912
Prime Factorization 2 × 2 × 2 × 33 × 17 × 31 × 929
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 32312478 | Product of the distinct prime numbers |
The prime factorization of 129249912 is 2 × 2 × 2 × 33 × 17 × 31 × 929. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129249912)
Multiplication
n×yn×2 | 258499824 |
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n×3 | 387749736 |
n×4 | 516999648 |
n×5 | 646249560 |
Division
n÷yn÷2 | 64624956 |
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n÷3 | 43083304 |
n÷3 | 32312478 |
n÷5 | 25849982.4 |
Exponentiation
nyn2 | 16705539752007744 |
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n3 | 2.1591895428595E+24 |
n4 | 2.7907505840591E+32 |
n5 | 3.6070426740359E+40 |
Nth Root
y√n2√n | 11368.813130666 |
---|---|
3√n | 505.60351595523 |
4√n | 106.62463660274 |
5√n | 41.906949740411 |
Divisors of 129249912
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 | -129249911 | 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 129249912 can be divided by 64 positive divisors. The sum of these divisors (counting 129249912) is 1, the average is 0.015625.
Base conversion 129249912
Base | System | Value |
---|---|---|
2 | Binary | 111101101000011001001111000 |
3 | Ternary | 100000012120112210 |
4 | Quaternary | 13231003021320 |
5 | Quinary | 231041444122 |
6 | Senary | 20454135120 |
8 | Octal | 755031170 |
10 | Decimal | 129249912 |
12 | Duodecimal | 373514a0 |
16 | Hexadecimal | 7b43278 |
20 | Vigesimal | 207g4fc |
36 | Base36 | 24y9vc |
Cryptographic Hash Functions
md5 | b91224b32f639c6a4766b64ed74279aa |
---|---|
sha1 | 6883a60afba83e19494c9a13de22bcd48eed71fb |
sha256 | b0738d94fbcfbca0f9e8379eea26c73ff6f07ed9584dd3586af245bad96f86d4 |
sha512 | 94a31cdf8c51a85250164712f266455b3f7d1ca6be622fbeec9388094f77e56fd500a6d489e4cd85faaadd53565cae6127f11ddcdf97c47086f7633918e23cb2 |
ripemd-160 | dc5a3366e461fa7871b07352b3b75217a174e754 |
129249912 as geometric shapes
Circle
Radius = nDiameter | 258499824 |
---|---|
Circumference | 812101148.03265 |
Area | 5.248200095916E+16 |
Sphere
Radius = nVolume | 9.0443920074071E+24 |
---|---|
Surface area | 2.0992800383664E+17 |
Circumference | 812101148.03265 |
Square
Length = nPerimeter | 516999648 |
---|---|
Area | 16705539752007744 |
Diagonal | 182786978.48593 |
Cube
Length = nSurface area | 100233238512046464 |
---|---|
Volume | 2.1591895428595E+24 |
Space diagonal | 223867414.45781 |
Equilateral Triangle
Length = nPerimeter | 387749736 |
---|---|
Area | 7.2337109045847E+15 |
Altitude | 111933707.2289 |
Triangular Pyramid
Length = nSurface area | 7.2337109045847E+15 |
---|---|
Volume | 2.5446292793717E+23 |
Height | 60928992.828643 |