20531880 (number)
20531880 is an even 8-digits composite number following 20531879 and preceding 20531881. In scientific notation, it is written as 2.0531880 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 5474304 positive integers (up to 20531880) that are relatively prime to 20531880.
Interesting facts
- 20531880 has 80 divisors, whose sum is 69020820
- The reverse of 20531880 is 08813502
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
| Name | twenty million five hundred thirty-one thousand eight hundred eighty |
|---|
Notation
| Scientific notation | 2.0531880 × 10^7 |
|---|---|
| Engineering notation | 2.0531880 × 10^6 |
Prime Factorization of 20531880
Prime Factorization 2 × 2 × 2 × 3 × 3 × 9 × 5 × 6337
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 1710990 | Product of the distinct prime numbers |
The prime factorization of 20531880 is 2 × 2 × 2 × 3 × 3 × 9 × 5 × 6337. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20531880)
Multiplication
n×y| n×2 | 41063760 |
|---|---|
| n×3 | 61595640 |
| n×4 | 82127520 |
| n×5 | 102659400 |
Division
n÷y| n÷2 | 10265940 |
|---|---|
| n÷3 | 6843960 |
| n÷3 | 5132970 |
| n÷5 | 4106376 |
Exponentiation
ny| n2 | 421558096334400 |
|---|---|
| n3 | 8.6553802469663E+21 |
| n4 | 1.7771122858508E+29 |
| n5 | 3.6487456199615E+36 |
Nth Root
y√n| 2√n | 4531.2117584593 |
|---|---|
| 3√n | 273.82698154 |
| 4√n | 67.314276037549 |
| 5√n | 29.005859799371 |
Divisors of 20531880
80 divisors
| τ | Total Divisors | 80 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -20531879 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20531880 can be divided by 80 positive divisors. The sum of these divisors (counting 20531880) is 1, the average is 0.0125.
Base conversion 20531880
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001110010100101010101000 |
| 3 | Ternary | 1102122010110000 |
| 4 | Quaternary | 1032110222220 |
| 5 | Quinary | 20224010010 |
| 6 | Senary | 2012023000 |
| 8 | Octal | 116245250 |
| 10 | Decimal | 20531880 |
| 12 | Duodecimal | 6a61a60 |
| 16 | Hexadecimal | 1394aa8 |
| 20 | Vigesimal | 6869e0 |
| 36 | Base36 | c82i0 |
Cryptographic Hash Functions
| md5 | 68fd55aac8b4551a51fe49504ebc7f14 |
|---|---|
| sha1 | a92b52ba3889458fe442f214ea34b95a3e9bfda9 |
| sha256 | 9c9b89e28b48c3f94d080aa800f9459a19f9e3ee5751b4201f5d88d7005d2e13 |
| sha512 | 7075376f9f02a233ea37a7e8e55d04a75f0f7a2fc1332ddec182c100307334fd28882d772aa727325c136431c888d826e56fb0d0c9605e780faa5da1f9cb1d35 |
| ripemd-160 | f7ce1db8f3d357e3d07a238bf2038c60c9e95796 |
20531880 as geometric shapes
Circle
Radius = n| Diameter | 41063760 |
|---|---|
| Circumference | 129005606.74477 |
| Area | 1.3243638185054E+15 |
Sphere
Radius = n| Volume | 3.6255571997194E+22 |
|---|---|
| Surface area | 5.2974552740218E+15 |
| Circumference | 129005606.74477 |
Square
Length = n| Perimeter | 82127520 |
|---|---|
| Area | 421558096334400 |
| Diagonal | 29036463.157017 |
Cube
Length = n| Surface area | 2529348578006400 |
|---|---|
| Volume | 8.6553802469663E+21 |
| Space diagonal | 35562259.334907 |
Equilateral Triangle
Length = n| Perimeter | 61595640 |
|---|---|
| Area | 1.825400102983E+14 |
| Altitude | 17781129.667454 |
Triangular Pyramid
Length = n| Surface area | 1.825400102983E+14 |
|---|---|
| Volume | 1.0200463443963E+21 |
| Height | 9678821.052339 |