28295280 (number)
28295280 is an even 8-digits composite number following 28295279 and preceding 28295281. In scientific notation, it is written as 2.8295280 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 40 positive divisors. There are 6962688 positive integers (up to 28295280) that are relatively prime to 28295280.
Interesting facts
- 28295280 has 40 divisors, whose sum is 60371136
- The reverse of 28295280 is 08259282
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
| Name | twenty-eight million two hundred ninety-five thousand two hundred eighty |
|---|
Notation
| Scientific notation | 2.8295280 × 10^7 |
|---|---|
| Engineering notation | 2.8295280 × 10^6 |
Prime Factorization of 28295280
Prime Factorization 2 × 2 × 2 × 2 × 45 × 13 × 3023
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3536910 | Product of the distinct prime numbers |
The prime factorization of 28295280 is 2 × 2 × 2 × 2 × 45 × 13 × 3023. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28295280)
Multiplication
n×y| n×2 | 56590560 |
|---|---|
| n×3 | 84885840 |
| n×4 | 113181120 |
| n×5 | 141476400 |
Division
n÷y| n÷2 | 14147640 |
|---|---|
| n÷3 | 9431760 |
| n÷3 | 7073820 |
| n÷5 | 5659056 |
Exponentiation
ny| n2 | 800622870278400 |
|---|---|
| n3 | 2.2653848288931E+22 |
| n4 | 6.4099698041282E+29 |
| n5 | 1.8137189039935E+37 |
Nth Root
y√n| 2√n | 5319.3307849766 |
|---|---|
| 3√n | 304.72260005888 |
| 4√n | 72.933742430898 |
| 5√n | 30.9273564069 |
Divisors of 28295280
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 | -28295279 | 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 28295280 can be divided by 40 positive divisors. The sum of these divisors (counting 28295280) is 1, the average is 0.025.
Base conversion 28295280
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011111100000001110000 |
| 3 | Ternary | 1222020112211100 |
| 4 | Quaternary | 1223330001300 |
| 5 | Quinary | 24220422110 |
| 6 | Senary | 2450244400 |
| 8 | Octal | 153740160 |
| 10 | Decimal | 28295280 |
| 12 | Duodecimal | 9586700 |
| 16 | Hexadecimal | 1afc070 |
| 20 | Vigesimal | 8ggi40 |
| 36 | Base36 | gugs0 |
Cryptographic Hash Functions
| md5 | 5ca9d493393c63d4de4e8aa438f4cef4 |
|---|---|
| sha1 | 395ebe689da7b41c6d9a2dec76c7a41535eff6d8 |
| sha256 | 3e07ce90b133ea70018c0d3885560d3c39326752beaa3132d39bc8da8531b50a |
| sha512 | 3cbf07411a82ce653dcce49e4d299e12625ff8afc49ccea2b9d8c46f52b75e36d977d039ef727bf4254d3adac73665ff888910fd62d4fffe33dfde36ded5d509 |
| ripemd-160 | 0cfe5d9b264490811b297c8fb19ba1093688315a |
28295280 as geometric shapes
Circle
Radius = n| Diameter | 56590560 |
|---|---|
| Circumference | 177784487.55853 |
| Area | 2.5152309275626E+15 |
Sphere
Radius = n| Volume | 9.4892217813391E+22 |
|---|---|
| Surface area | 1.006092371025E+16 |
| Circumference | 177784487.55853 |
Square
Length = n| Perimeter | 113181120 |
|---|---|
| Area | 800622870278400 |
| Diagonal | 40015568.727144 |
Cube
Length = n| Surface area | 4803737221670400 |
|---|---|
| Volume | 2.2653848288931E+22 |
| Space diagonal | 49008862.574387 |
Equilateral Triangle
Length = n| Perimeter | 84885840 |
|---|---|
| Area | 3.4667987225595E+14 |
| Altitude | 24504431.287194 |
Triangular Pyramid
Length = n| Surface area | 3.4667987225595E+14 |
|---|---|
| Volume | 2.6697816241791E+21 |
| Height | 13338522.909048 |