28238736 (number)
28238736 is an even 8-digits composite number following 28238735 and preceding 28238737. In scientific notation, it is written as 2.8238736 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 9282816 positive integers (up to 28238736) that are relatively prime to 28238736.
Interesting facts
- 28238736 has 40 divisors, whose sum is 73958560
- The reverse of 28238736 is 63783282
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twenty-eight million two hundred thirty-eight thousand seven hundred thirty-six |
|---|
Notation
| Scientific notation | 2.8238736 × 10^7 |
|---|---|
| Engineering notation | 2.8238736 × 10^6 |
Prime Factorization of 28238736
Prime Factorization 2 × 2 × 2 × 2 × 3 × 73 × 8059
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3529842 | Product of the distinct prime numbers |
The prime factorization of 28238736 is 2 × 2 × 2 × 2 × 3 × 73 × 8059. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28238736)
Multiplication
n×y| n×2 | 56477472 |
|---|---|
| n×3 | 84716208 |
| n×4 | 112954944 |
| n×5 | 141193680 |
Division
n÷y| n÷2 | 14119368 |
|---|---|
| n÷3 | 9412912 |
| n÷3 | 7059684 |
| n÷5 | 5647747.2 |
Exponentiation
ny| n2 | 797426210877696 |
|---|---|
| n3 | 2.2518308248456E+22 |
| n4 | 6.3588856179476E+29 |
| n5 | 1.7956689221942E+37 |
Nth Root
y√n| 2√n | 5314.0131727349 |
|---|---|
| 3√n | 304.51948343979 |
| 4√n | 72.897278225836 |
| 5√n | 30.914985750217 |
Divisors of 28238736
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 | -28238735 | 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 28238736 can be divided by 40 positive divisors. The sum of these divisors (counting 28238736) is 1, the average is 0.025.
Base conversion 28238736
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011101110001110010000 |
| 3 | Ternary | 1222010200021010 |
| 4 | Quaternary | 1223232032100 |
| 5 | Quinary | 24212114421 |
| 6 | Senary | 2445130520 |
| 8 | Octal | 153561620 |
| 10 | Decimal | 28238736 |
| 12 | Duodecimal | 9559a40 |
| 16 | Hexadecimal | 1aee390 |
| 20 | Vigesimal | 8g9ggg |
| 36 | Base36 | gt95c |
Cryptographic Hash Functions
| md5 | ba511456092e69cef5327989447263bb |
|---|---|
| sha1 | e182d58b0e3fa94bbee09f664dd9d55664f0ae5a |
| sha256 | e08025995dd4a9fe516c518b74d38e927c850e68791118605e0627218d9a363d |
| sha512 | 091df337666488e55fd836fc426f4aeda412ca99d9cf31a0bcd5ed2d1b359fac46efab375e69b3ddabed153249bbf043faa5ffc537a451ae189fea9068122b00 |
| ripemd-160 | cca3f85e54aaaa73fa83c1f9c305a32ab402adb2 |
28238736 as geometric shapes
Circle
Radius = n| Diameter | 56477472 |
|---|---|
| Circumference | 177429211.12852 |
| Area | 2.5051883258733E+15 |
Sphere
Radius = n| Volume | 9.4324469019491E+22 |
|---|---|
| Surface area | 1.0020753303493E+16 |
| Circumference | 177429211.12852 |
Square
Length = n| Perimeter | 112954944 |
|---|---|
| Area | 797426210877696 |
| Diagonal | 39935603.435473 |
Cube
Length = n| Surface area | 4784557265266176 |
|---|---|
| Volume | 2.2518308248456E+22 |
| Space diagonal | 48910925.493524 |
Equilateral Triangle
Length = n| Perimeter | 84716208 |
|---|---|
| Area | 3.4529567813183E+14 |
| Altitude | 24455462.746762 |
Triangular Pyramid
Length = n| Surface area | 3.4529567813183E+14 |
|---|---|
| Volume | 2.653808077222E+21 |
| Height | 13311867.811824 |