20129512 (number)
20129512 is an even 8-digits composite number following 20129511 and preceding 20129513. In scientific notation, it is written as 2.0129512 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 64 positive divisors. There are 8605440 positive integers (up to 20129512) that are relatively prime to 20129512.
Interesting facts
- 20129512 has 64 divisors, whose sum is 43747200
- The reverse of 20129512 is 21592102
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
Name | twenty million one hundred twenty-nine thousand five hundred twelve |
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Notation
Scientific notation | 2.0129512 × 10^7 |
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Engineering notation | 2.0129512 × 10^6 |
Prime Factorization of 20129512
Prime Factorization 2 × 2 × 2 × 13 × 61 × 19 × 167
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5032378 | Product of the distinct prime numbers |
The prime factorization of 20129512 is 2 × 2 × 2 × 13 × 61 × 19 × 167. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20129512)
Multiplication
n×yn×2 | 40259024 |
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n×3 | 60388536 |
n×4 | 80518048 |
n×5 | 100647560 |
Division
n÷yn÷2 | 10064756 |
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n÷3 | 6709837.3333333 |
n÷3 | 5032378 |
n÷5 | 4025902.4 |
Exponentiation
nyn2 | 405197253358144 |
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n3 | 8.1564229738398E+21 |
n4 | 1.6418481412898E+29 |
n5 | 3.3049601862272E+36 |
Nth Root
y√n2√n | 4486.5924709071 |
---|---|
3√n | 272.02641756103 |
4√n | 66.982030955377 |
5√n | 28.891271086888 |
Divisors of 20129512
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 | -20129511 | 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 20129512 can be divided by 64 positive divisors. The sum of these divisors (counting 20129512) is 1, the average is 0.015625.
Base conversion 20129512
Base | System | Value |
---|---|---|
2 | Binary | 1001100110010011011101000 |
3 | Ternary | 1101212200111111 |
4 | Quaternary | 1030302123220 |
5 | Quinary | 20123121022 |
6 | Senary | 1555240104 |
8 | Octal | 114623350 |
10 | Decimal | 20129512 |
12 | Duodecimal | 68a9034 |
16 | Hexadecimal | 13326e8 |
20 | Vigesimal | 65g3fc |
36 | Base36 | bzg14 |
Cryptographic Hash Functions
md5 | b0f8036093b6602b769ba9cbbb25dca9 |
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sha1 | 32e4c82d09a4e2ea18145d710929a27d772e3a5d |
sha256 | 768b5f4fec6f6ee070fb0efca3ad51098d898ced4e6ff88e63d5a8151f78f794 |
sha512 | b2d81487a0f229733f8f177da64393704be604faaa08b22cdc96466ddb54bd54dd4977b78abc7ad2e69873af9f57c58f4433e068f7c21095309039b26e9246e6 |
ripemd-160 | 79623adcd4fc6cf0011b17b00a4c4b2052dee0de |
20129512 as geometric shapes
Circle
Radius = nDiameter | 40259024 |
---|---|
Circumference | 126477454.0391 |
Area | 1.2729647144047E+15 |
Sphere
Radius = nVolume | 3.4165544658915E+22 |
---|---|
Surface area | 5.0918588576188E+15 |
Circumference | 126477454.0391 |
Square
Length = nPerimeter | 80518048 |
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Area | 405197253358144 |
Diagonal | 28467428.874352 |
Cube
Length = nSurface area | 2431183520148864 |
---|---|
Volume | 8.1564229738398E+21 |
Space diagonal | 34865337.515567 |
Equilateral Triangle
Length = nPerimeter | 60388536 |
---|---|
Area | 1.7545555747592E+14 |
Altitude | 17432668.757784 |
Triangular Pyramid
Length = nSurface area | 1.7545555747592E+14 |
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Volume | 9.6124366583798E+20 |
Height | 9489142.9581173 |