20129980 (number)
20129980 is an even 8-digits composite number following 20129979 and preceding 20129981. In scientific notation, it is written as 2.0129980 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 48 positive divisors. There are 7365888 positive integers (up to 20129980) that are relatively prime to 20129980.
Interesting facts
- 20129980 has 48 divisors, whose sum is 45934560
- The reverse of 20129980 is 08992102
- Previous prime number is 139
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 31
- Digital Root 4
Name
Name | twenty million one hundred twenty-nine thousand nine hundred eighty |
---|
Notation
Scientific notation | 2.0129980 × 10^7 |
---|---|
Engineering notation | 2.0129980 × 10^6 |
Prime Factorization of 20129980
Prime Factorization 2 × 2 × 13 × 5 × 139 × 557
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10064990 | Product of the distinct prime numbers |
The prime factorization of 20129980 is 2 × 2 × 13 × 5 × 139 × 557. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20129980)
Multiplication
n×yn×2 | 40259960 |
---|---|
n×3 | 60389940 |
n×4 | 80519920 |
n×5 | 100649900 |
Division
n÷yn÷2 | 10064990 |
---|---|
n÷3 | 6709993.3333333 |
n÷3 | 5032495 |
n÷5 | 4025996 |
Exponentiation
nyn2 | 405216094800400 |
---|---|
n3 | 8.1569918840102E+21 |
n4 | 1.6420008348529E+29 |
n5 | 3.3053443965572E+36 |
Nth Root
y√n2√n | 4486.6446259984 |
---|---|
3√n | 272.02852569918 |
4√n | 66.982420275759 |
5√n | 28.891405426847 |
Divisors of 20129980
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20129979 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20129980 can be divided by 48 positive divisors. The sum of these divisors (counting 20129980) is 1, the average is 0.020833333333333.
Base conversion 20129980
Base | System | Value |
---|---|---|
2 | Binary | 1001100110010100010111100 |
3 | Ternary | 1101212201010211 |
4 | Quaternary | 1030302202330 |
5 | Quinary | 20123124410 |
6 | Senary | 1555242204 |
8 | Octal | 114624274 |
10 | Decimal | 20129980 |
12 | Duodecimal | 68a9364 |
16 | Hexadecimal | 13328bc |
20 | Vigesimal | 65g4j0 |
36 | Base36 | bzge4 |
Cryptographic Hash Functions
md5 | ebada44fb944dbe250bd91c51cbb24f7 |
---|---|
sha1 | 020633eb25550480cbd9e010d058371b22d69344 |
sha256 | df7d29d34ba527b30b521116d94f2556f2e52c75f1867b6afde596d1e6082a78 |
sha512 | f8d271f1c5aa1dab8433b3dfbab94567186e35559c38233b81d18bfee178ba02119c3255deb2070e0954ee8e7c4160de23deda6585724a231a94da06ede491b0 |
ripemd-160 | 4981776136298fed57290c87610fb7d63a7de404 |
20129980 as geometric shapes
Circle
Radius = nDiameter | 40259960 |
---|---|
Circumference | 126480394.56982 |
Area | 1.2730239065413E+15 |
Sphere
Radius = nVolume | 3.4167927704264E+22 |
---|---|
Surface area | 5.0920956261651E+15 |
Circumference | 126480394.56982 |
Square
Length = nPerimeter | 80519920 |
---|---|
Area | 405216094800400 |
Diagonal | 28468090.726299 |
Cube
Length = nSurface area | 2431296568802400 |
---|---|
Volume | 8.1569918840102E+21 |
Space diagonal | 34866148.115345 |
Equilateral Triangle
Length = nPerimeter | 60389940 |
---|---|
Area | 1.7546371605973E+14 |
Altitude | 17433074.057673 |
Triangular Pyramid
Length = nSurface area | 1.7546371605973E+14 |
---|---|
Volume | 9.6131071254454E+20 |
Height | 9489363.5754331 |