129731520 (number)
129731520 is an even 9-digits composite number following 129731519 and preceding 129731521. In scientific notation, it is written as 1.29731520 × 10^8. The sum of its digits is 30. It has a total of 10 prime factors and 112 positive divisors. There are 34406400 positive integers (up to 129731520) that are relatively prime to 129731520.
Interesting facts
- 129731520 has 112 divisors, whose sum is 414150048
- The reverse of 129731520 is 025137921
- Previous prime number is 401
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 30
- Digital Root 3
Name
Name | one hundred twenty-nine million seven hundred thirty-one thousand five hundred twenty |
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Notation
Scientific notation | 1.29731520 × 10^8 |
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Engineering notation | 1.29731520 × 10^6 |
Prime Factorization of 129731520
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 3 × 401 × 337
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 4054110 | Product of the distinct prime numbers |
The prime factorization of 129731520 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 3 × 401 × 337. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129731520)
Multiplication
n×yn×2 | 259463040 |
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n×3 | 389194560 |
n×4 | 518926080 |
n×5 | 648657600 |
Division
n÷yn÷2 | 64865760 |
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n÷3 | 43243840 |
n÷3 | 32432880 |
n÷5 | 25946304 |
Exponentiation
nyn2 | 16830267281510400 |
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n3 | 2.1834161564366E+24 |
n4 | 2.8325789676708E+32 |
n5 | 3.6747477499596E+40 |
Nth Root
y√n2√n | 11389.974539041 |
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3√n | 506.23072689926 |
4√n | 106.72382367139 |
5√n | 41.938133835259 |
Divisors of 129731520
112 divisors
τ | Total Divisors | 112 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -129731519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0089285714285714 | 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 | 112 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 129731520 can be divided by 112 positive divisors. The sum of these divisors (counting 129731520) is 1, the average is 0.0089285714285714.
Base conversion 129731520
Base | System | Value |
---|---|---|
2 | Binary | 111101110111000101111000000 |
3 | Ternary | 100001010001012010 |
4 | Quaternary | 13232320233000 |
5 | Quinary | 231202402040 |
6 | Senary | 20512332520 |
8 | Octal | 756705700 |
10 | Decimal | 129731520 |
12 | Duodecimal | 37544140 |
16 | Hexadecimal | 7bb8bc0 |
20 | Vigesimal | 20ag8g0 |
36 | Base36 | 258lhc |
Cryptographic Hash Functions
md5 | f2f95aac66a45724c7bce103d177f6db |
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sha1 | 2d910c3057a010c62d577e23c4d18aa5c361b432 |
sha256 | 2a840573dfdca793ead21c2c015e093a4b9ba9c9301b4cd716aa149a4a0dc61c |
sha512 | 9b640158953a54a6bb1c41ddb4d701cac4d99f6a730d440220a7c81244edc4d3da0a7f5e39f7fae02f9ab0a31ffcd57d2d63e5bbc5aabd58160b1f5bee44a67e |
ripemd-160 | 25df37c04cbbe18997544e2dbe6e65f64222933e |
129731520 as geometric shapes
Circle
Radius = nDiameter | 259463040 |
---|---|
Circumference | 815127180.34207 |
Area | 5.2873844049546E+16 |
Sphere
Radius = nVolume | 9.145872209054E+24 |
---|---|
Surface area | 2.1149537619818E+17 |
Circumference | 815127180.34207 |
Square
Length = nPerimeter | 518926080 |
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Area | 16830267281510400 |
Diagonal | 183468075.05128 |
Cube
Length = nSurface area | 100981603689062400 |
---|---|
Volume | 2.1834161564366E+24 |
Space diagonal | 224701583.98314 |
Equilateral Triangle
Length = nPerimeter | 389194560 |
---|---|
Area | 7.287719509135E+15 |
Altitude | 112350791.99157 |
Triangular Pyramid
Length = nSurface area | 7.287719509135E+15 |
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Volume | 2.573180617281E+23 |
Height | 61156025.017092 |