20995728 (number)
20995728 is an even 8-digits composite number following 20995727 and preceding 20995729. In scientific notation, it is written as 2.0995728 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 6460032 positive integers (up to 20995728) that are relatively prime to 20995728.
Interesting facts
- 20995728 has 40 divisors, whose sum is 58412928
- The reverse of 20995728 is 82759902
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | twenty million nine hundred ninety-five thousand seven hundred twenty-eight |
|---|
Notation
| Scientific notation | 2.0995728 × 10^7 |
|---|---|
| Engineering notation | 2.0995728 × 10^6 |
Prime Factorization of 20995728
Prime Factorization 2 × 2 × 2 × 2 × 3 × 13 × 33647
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2624466 | Product of the distinct prime numbers |
The prime factorization of 20995728 is 2 × 2 × 2 × 2 × 3 × 13 × 33647. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20995728)
Multiplication
n×y| n×2 | 41991456 |
|---|---|
| n×3 | 62987184 |
| n×4 | 83982912 |
| n×5 | 104978640 |
Division
n÷y| n÷2 | 10497864 |
|---|---|
| n÷3 | 6998576 |
| n÷3 | 5248932 |
| n÷5 | 4199145.6 |
Exponentiation
ny| n2 | 440820594249984 |
|---|---|
| n3 | 9.255349293671E+21 |
| n4 | 1.9432279631491E+29 |
| n5 | 4.0799485756272E+36 |
Nth Root
y√n| 2√n | 4582.1095578347 |
|---|---|
| 3√n | 275.87370823592 |
| 4√n | 67.691281254196 |
| 5√n | 29.135749032292 |
Divisors of 20995728
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 | -20995727 | 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 20995728 can be divided by 40 positive divisors. The sum of these divisors (counting 20995728) is 1, the average is 0.025.
Base conversion 20995728
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010000000101111010010000 |
| 3 | Ternary | 1110111200201120 |
| 4 | Quaternary | 1100011322100 |
| 5 | Quinary | 20333330403 |
| 6 | Senary | 2030002240 |
| 8 | Octal | 120057220 |
| 10 | Decimal | 20995728 |
| 12 | Duodecimal | 7046380 |
| 16 | Hexadecimal | 1405e90 |
| 20 | Vigesimal | 6b4968 |
| 36 | Base36 | ci0eo |
Cryptographic Hash Functions
| md5 | d5c394a598f7167aa9728d8feb2d878f |
|---|---|
| sha1 | 92e65ed2fda3268949e51d0b0af0f90fe7679437 |
| sha256 | e2bf973b530e7f8be6d2c3fa5eee7a77235e571f5a65765ede6feaa72743b7df |
| sha512 | 6d1d64af57a61dd3fda3cfbc09f62d054fd9819cf5a999dcc2d6a6318b0d955db1c0f888e2403157a41e400383bc625c2a08fb786cb28d856831549ed2bcbcb3 |
| ripemd-160 | 5985b572a4d4ecd05c3e7e590f9144acdea78bc2 |
20995728 as geometric shapes
Circle
Radius = n| Diameter | 41991456 |
|---|---|
| Circumference | 131920049.68314 |
| Area | 1.3848787404468E+15 |
Sphere
Radius = n| Volume | 3.8768716463206E+22 |
|---|---|
| Surface area | 5.5395149617873E+15 |
| Circumference | 131920049.68314 |
Square
Length = n| Perimeter | 83982912 |
|---|---|
| Area | 440820594249984 |
| Diagonal | 29692443.289497 |
Cube
Length = n| Surface area | 2644923565499904 |
|---|---|
| Volume | 9.255349293671E+21 |
| Space diagonal | 36365667.637896 |
Equilateral Triangle
Length = n| Perimeter | 62987184 |
|---|---|
| Area | 1.9088091656592E+14 |
| Altitude | 18182833.818948 |
Triangular Pyramid
Length = n| Surface area | 1.9088091656592E+14 |
|---|---|
| Volume | 1.0907533746342E+21 |
| Height | 9897481.0964988 |