27989904 (number)
27989904 is an even 8-digits composite number following 27989903 and preceding 27989905. In scientific notation, it is written as 2.7989904 × 10^7. The sum of its digits is 48. It has a total of 7 prime factors and 40 positive divisors. There are 8937600 positive integers (up to 27989904) that are relatively prime to 27989904.
Interesting facts
- 27989904 has 40 divisors, whose sum is 56044032
- The reverse of 27989904 is 40998972
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 48
- Digital Root 3
Name
| Name | twenty-seven million nine hundred eighty-nine thousand nine hundred four |
|---|
Notation
| Scientific notation | 2.7989904 × 10^7 |
|---|---|
| Engineering notation | 2.7989904 × 10^6 |
Prime Factorization of 27989904
Prime Factorization 2 × 2 × 2 × 2 × 213 × 43 × 191
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3498738 | Product of the distinct prime numbers |
The prime factorization of 27989904 is 2 × 2 × 2 × 2 × 213 × 43 × 191. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 27989904)
Multiplication
n×y| n×2 | 55979808 |
|---|---|
| n×3 | 83969712 |
| n×4 | 111959616 |
| n×5 | 139949520 |
Division
n÷y| n÷2 | 13994952 |
|---|---|
| n÷3 | 9329968 |
| n÷3 | 6997476 |
| n÷5 | 5597980.8 |
Exponentiation
ny| n2 | 783434725929216 |
|---|---|
| n3 | 2.1928262769025E+22 |
| n4 | 6.1376996979179E+29 |
| n5 | 1.7179362532555E+37 |
Nth Root
y√n| 2√n | 5290.5485537891 |
|---|---|
| 3√n | 303.62239589265 |
| 4√n | 72.736157128275 |
| 5√n | 30.860309817528 |
Divisors of 27989904
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 | -27989903 | 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 27989904 can be divided by 40 positive divisors. The sum of these divisors (counting 27989904) is 1, the average is 0.025.
Base conversion 27989904
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101010110001011110010000 |
| 3 | Ternary | 1221200000221010 |
| 4 | Quaternary | 1222301132100 |
| 5 | Quinary | 24131134104 |
| 6 | Senary | 2435530520 |
| 8 | Octal | 152613620 |
| 10 | Decimal | 27989904 |
| 12 | Duodecimal | 9459a40 |
| 16 | Hexadecimal | 1ab1790 |
| 20 | Vigesimal | 8eief4 |
| 36 | Base36 | gnx5c |
Cryptographic Hash Functions
| md5 | 19b5980bf0f0cba4c04bc71c90b37f7d |
|---|---|
| sha1 | 101322d8b947e1869c8d0c1b429b09ad9fc8c176 |
| sha256 | d239f0a60acc77cf05b530eb987a70801f613f31e9a9267fb46897aea12b6ad9 |
| sha512 | d4479450723a0ff53bae0b6b7b0db9f135f44424e1f9cac6eaa37384bb6c399666c8d4fef164e45ef88b4f2785751e02581c115392af2fe2654f65edd973d628 |
| ripemd-160 | 5d53995476141753cf61e40497cc68e28ffb5ce0 |
27989904 as geometric shapes
Circle
Radius = n| Diameter | 55979808 |
|---|---|
| Circumference | 175865753.56217 |
| Area | 2.4612327795464E+15 |
Sphere
Radius = n| Volume | 9.1852892294874E+22 |
|---|---|
| Surface area | 9.8449311181854E+15 |
| Circumference | 175865753.56217 |
Square
Length = n| Perimeter | 111959616 |
|---|---|
| Area | 783434725929216 |
| Diagonal | 39583701.846321 |
Cube
Length = n| Surface area | 4700608355575296 |
|---|---|
| Volume | 2.1928262769025E+22 |
| Space diagonal | 48479935.826975 |
Equilateral Triangle
Length = n| Perimeter | 83969712 |
|---|---|
| Area | 3.392371874308E+14 |
| Altitude | 24239967.913488 |
Triangular Pyramid
Length = n| Surface area | 3.392371874308E+14 |
|---|---|
| Volume | 2.584270550603E+21 |
| Height | 13194567.282107 |