20125820 (number)
20125820 is an even 8-digits composite number following 20125819 and preceding 20125821. In scientific notation, it is written as 2.0125820 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 48 positive divisors. There are 6508800 positive integers (up to 20125820) that are relatively prime to 20125820.
Interesting facts
- 20125820 has 48 divisors, whose sum is 40040448
- The reverse of 20125820 is 02852102
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 20
- Digital Root 2
Name
| Name | twenty million one hundred twenty-five thousand eight hundred twenty |
|---|
Notation
| Scientific notation | 2.0125820 × 10^7 |
|---|---|
| Engineering notation | 2.0125820 × 10^6 |
Prime Factorization of 20125820
Prime Factorization 2 × 2 × 55 × 13 × 31 × 227
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 10062910 | Product of the distinct prime numbers |
The prime factorization of 20125820 is 2 × 2 × 55 × 13 × 31 × 227. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20125820)
Multiplication
n×y| n×2 | 40251640 |
|---|---|
| n×3 | 60377460 |
| n×4 | 80503280 |
| n×5 | 100629100 |
Division
n÷y| n÷2 | 10062910 |
|---|---|
| n÷3 | 6708606.6666667 |
| n÷3 | 5031455 |
| n÷5 | 4025164 |
Exponentiation
ny| n2 | 405048630672400 |
|---|---|
| n3 | 8.1519358321592E+21 |
| n4 | 1.6406439320959E+29 |
| n5 | 3.3019304461454E+36 |
Nth Root
y√n| 2√n | 4486.1810039275 |
|---|---|
| 3√n | 272.0097855476 |
| 4√n | 66.978959412098 |
| 5√n | 28.890211206258 |
Divisors of 20125820
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 | -20125819 | 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 20125820 can be divided by 48 positive divisors. The sum of these divisors (counting 20125820) is 1, the average is 0.020833333333333.
Base conversion 20125820
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100110001100001111100 |
| 3 | Ternary | 1101212111102202 |
| 4 | Quaternary | 1030301201330 |
| 5 | Quinary | 20123011240 |
| 6 | Senary | 1555211032 |
| 8 | Octal | 114614174 |
| 10 | Decimal | 20125820 |
| 12 | Duodecimal | 68a6a78 |
| 16 | Hexadecimal | 133187c |
| 20 | Vigesimal | 65feb0 |
| 36 | Base36 | bzd6k |
Cryptographic Hash Functions
| md5 | 751624c71e858eaee2b12f994d8d957a |
|---|---|
| sha1 | 6cd76d2a02063c4c2aac7d673af3775cf34bcc3a |
| sha256 | bc4994108c9199e914563879315e46100408ff792f79d46c3c8b5c31df030a89 |
| sha512 | a3ba045972923b55291a8d3840235340956146919c185fe40077402b51052afc51a62f427a6ea8a8146ab75af06af3ff8f51f4b16382417b6957bca628fa7f2f |
| ripemd-160 | 93e319ae564b1951a00821a45cf805cbdfc8d62f |
20125820 as geometric shapes
Circle
Radius = n| Diameter | 40251640 |
|---|---|
| Circumference | 126454256.51894 |
| Area | 1.272497802467E+15 |
Sphere
Radius = n| Volume | 3.4146748963796E+22 |
|---|---|
| Surface area | 5.0899912098681E+15 |
| Circumference | 126454256.51894 |
Square
Length = n| Perimeter | 80503280 |
|---|---|
| Area | 405048630672400 |
| Diagonal | 28462207.59788 |
Cube
Length = n| Surface area | 2430291784034400 |
|---|---|
| Volume | 8.1519358321592E+21 |
| Space diagonal | 34858942.783986 |
Equilateral Triangle
Length = n| Perimeter | 60377460 |
|---|---|
| Area | 1.753912019652E+14 |
| Altitude | 17429471.391993 |
Triangular Pyramid
Length = n| Surface area | 1.753912019652E+14 |
|---|---|
| Volume | 9.6071485111956E+20 |
| Height | 9487402.5326266 |