28555440 (number)
28555440 is an even 8-digits composite number following 28555439 and preceding 28555441. In scientific notation, it is written as 2.8555440 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 7435008 positive integers (up to 28555440) that are relatively prime to 28555440.
Interesting facts
- 28555440 has 40 divisors, whose sum is 74138112
- The reverse of 28555440 is 04455582
- Previous prime number is 215
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | twenty-eight million five hundred fifty-five thousand four hundred forty |
|---|
Notation
| Scientific notation | 2.8555440 × 10^7 |
|---|---|
| Engineering notation | 2.8555440 × 10^6 |
Prime Factorization of 28555440
Prime Factorization 2 × 2 × 2 × 2 × 3 × 215 × 2767
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3569430 | Product of the distinct prime numbers |
The prime factorization of 28555440 is 2 × 2 × 2 × 2 × 3 × 215 × 2767. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28555440)
Multiplication
n×y| n×2 | 57110880 |
|---|---|
| n×3 | 85666320 |
| n×4 | 114221760 |
| n×5 | 142777200 |
Division
n÷y| n÷2 | 14277720 |
|---|---|
| n÷3 | 9518480 |
| n÷3 | 7138860 |
| n÷5 | 5711088 |
Exponentiation
ny| n2 | 815413153593600 |
|---|---|
| n3 | 2.3284481382653E+22 |
| n4 | 6.6489861105346E+29 |
| n5 | 1.898647239402E+37 |
Nth Root
y√n| 2√n | 5343.7290350466 |
|---|---|
| 3√n | 305.65367285493 |
| 4√n | 73.100814188671 |
| 5√n | 30.984020497535 |
Divisors of 28555440
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 | -28555439 | 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 28555440 can be divided by 40 positive divisors. The sum of these divisors (counting 28555440) is 1, the average is 0.025.
Base conversion 28555440
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101100111011100010110000 |
| 3 | Ternary | 1222201202200220 |
| 4 | Quaternary | 1230323202300 |
| 5 | Quinary | 24302233230 |
| 6 | Senary | 2500013040 |
| 8 | Octal | 154734260 |
| 10 | Decimal | 28555440 |
| 12 | Duodecimal | 9691180 |
| 16 | Hexadecimal | 1b3b8b0 |
| 20 | Vigesimal | 8i98c0 |
| 36 | Base36 | h01io |
Cryptographic Hash Functions
| md5 | 55ce1febe913daf68fa0c112d15bf935 |
|---|---|
| sha1 | 8d658dbb237f28cb6f4d717d30592c9017424a2a |
| sha256 | 5bcc493eae565d3da04d96c9810eafe81b2041b2fd3527b28c491abebcca58ad |
| sha512 | 23d756dab0e5583ea41a361defff609243c45f323aad311c7d286e48f78318e0735c033e7156ce1412cb240c7ee15a09508997ba5faa28e87b159fc3dbd012a1 |
| ripemd-160 | 1f390fc8bd993adf4e2eda8aeb97f5363363e8b3 |
28555440 as geometric shapes
Circle
Radius = n| Diameter | 57110880 |
|---|---|
| Circumference | 179419121.04805 |
| Area | 2.5616959729701E+15 |
Sphere
Radius = n| Volume | 9.7533807539187E+22 |
|---|---|
| Surface area | 1.0246783891881E+16 |
| Circumference | 179419121.04805 |
Square
Length = n| Perimeter | 114221760 |
|---|---|
| Area | 815413153593600 |
| Diagonal | 40383490.527531 |
Cube
Length = n| Surface area | 4892478921561600 |
|---|---|
| Volume | 2.3284481382653E+22 |
| Space diagonal | 49459472.912485 |
Equilateral Triangle
Length = n| Perimeter | 85666320 |
|---|---|
| Area | 3.5308425279602E+14 |
| Altitude | 24729736.456242 |
Triangular Pyramid
Length = n| Surface area | 3.5308425279602E+14 |
|---|---|
| Volume | 2.7441024470143E+21 |
| Height | 13461163.509177 |