21132880 (number)
21132880 is an even 8-digits composite number following 21132879 and preceding 21132881. In scientific notation, it is written as 2.1132880 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors. There are 8160768 positive integers (up to 21132880) that are relatively prime to 21132880.
Interesting facts
- 21132880 has 40 divisors, whose sum is 50833800
- The reverse of 21132880 is 08823112
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 25
- Digital Root 7
Name
| Name | twenty-one million one hundred thirty-two thousand eight hundred eighty |
|---|
Notation
| Scientific notation | 2.1132880 × 10^7 |
|---|---|
| Engineering notation | 2.1132880 × 10^6 |
Prime Factorization of 21132880
Prime Factorization 2 × 2 × 2 × 2 × 5 × 29 × 9109
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2641610 | Product of the distinct prime numbers |
The prime factorization of 21132880 is 2 × 2 × 2 × 2 × 5 × 29 × 9109. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21132880)
Multiplication
n×y| n×2 | 42265760 |
|---|---|
| n×3 | 63398640 |
| n×4 | 84531520 |
| n×5 | 105664400 |
Division
n÷y| n÷2 | 10566440 |
|---|---|
| n÷3 | 7044293.3333333 |
| n÷3 | 5283220 |
| n÷5 | 4226576 |
Exponentiation
ny| n2 | 446598617094400 |
|---|---|
| n3 | 9.4379149832219E+21 |
| n4 | 1.9945032479063E+29 |
| n5 | 4.2149597797614E+36 |
Nth Root
y√n| 2√n | 4597.051228777 |
|---|---|
| 3√n | 276.47310859684 |
| 4√n | 67.801557716449 |
| 5√n | 29.173715094438 |
Divisors of 21132880
40 divisors
| τ | Total Divisors | 40 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -21132879 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21132880 can be divided by 40 positive divisors. The sum of these divisors (counting 21132880) is 1, the average is 0.025.
Base conversion 21132880
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010000100111011001010000 |
| 3 | Ternary | 1110202122212021 |
| 4 | Quaternary | 1100213121100 |
| 5 | Quinary | 20402223010 |
| 6 | Senary | 2032541224 |
| 8 | Octal | 120473120 |
| 10 | Decimal | 21132880 |
| 12 | Duodecimal | 70b1814 |
| 16 | Hexadecimal | 1427650 |
| 20 | Vigesimal | 6c1c40 |
| 36 | Base36 | cky8g |
Cryptographic Hash Functions
| md5 | a1f978bc6ba38a609d1233d70cc5f451 |
|---|---|
| sha1 | 18517334a3c4aa3c447d5a3e1c95122c918f2470 |
| sha256 | 85c879ac3f0d87555395fbaf94bda297069051ffd97548d663b30162194eb452 |
| sha512 | 849ed5c79b77ecd186a859fa631cb82cbd0d91c3146266bf2b682fb4135642904ad8cf591a6648837730b7300245242b0abd8dc5819a0c1cdaf46f1640ccccd9 |
| ripemd-160 | 983ae6803e83d055dfa91f2d0afbc0b1c233b1be |
21132880 as geometric shapes
Circle
Radius = n| Diameter | 42265760 |
|---|---|
| Circumference | 132781801.11439 |
| Area | 1.4030309345671E+15 |
Sphere
Radius = n| Volume | 3.9533445835327E+22 |
|---|---|
| Surface area | 5.6121237382685E+15 |
| Circumference | 132781801.11439 |
Square
Length = n| Perimeter | 84531520 |
|---|---|
| Area | 446598617094400 |
| Diagonal | 29886405.508003 |
Cube
Length = n| Surface area | 2679591702566400 |
|---|---|
| Volume | 9.4379149832219E+21 |
| Space diagonal | 36603221.870256 |
Equilateral Triangle
Length = n| Perimeter | 63398640 |
|---|---|
| Area | 1.9338287384937E+14 |
| Altitude | 18301610.935128 |
Triangular Pyramid
Length = n| Surface area | 1.9338287384937E+14 |
|---|---|
| Volume | 1.1122689474831E+21 |
| Height | 9962135.1693344 |