28278320 (number)
28278320 is an even 8-digits composite number following 28278319 and preceding 28278321. In scientific notation, it is written as 2.8278320 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 40 positive divisors. There are 9695232 positive integers (up to 28278320) that are relatively prime to 28278320.
Interesting facts
- 28278320 has 40 divisors, whose sum is 75141024
- The reverse of 28278320 is 02387282
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 32
- Digital Root 5
Name
| Name | twenty-eight million two hundred seventy-eight thousand three hundred twenty |
|---|
Notation
| Scientific notation | 2.8278320 × 10^7 |
|---|---|
| Engineering notation | 2.8278320 × 10^6 |
Prime Factorization of 28278320
Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 50497
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3534790 | Product of the distinct prime numbers |
The prime factorization of 28278320 is 2 × 2 × 2 × 2 × 5 × 7 × 50497. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28278320)
Multiplication
n×y| n×2 | 56556640 |
|---|---|
| n×3 | 84834960 |
| n×4 | 113113280 |
| n×5 | 141391600 |
Division
n÷y| n÷2 | 14139160 |
|---|---|
| n÷3 | 9426106.6666667 |
| n÷3 | 7069580 |
| n÷5 | 5655664 |
Exponentiation
ny| n2 | 799663382022400 |
|---|---|
| n3 | 2.2613137009112E+22 |
| n4 | 6.394615245475E+29 |
| n5 | 1.8082897618842E+37 |
Nth Root
y√n| 2√n | 5317.7363605203 |
|---|---|
| 3√n | 304.66170500011 |
| 4√n | 72.92281097517 |
| 5√n | 30.923647987904 |
Divisors of 28278320
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 | -28278319 | 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 28278320 can be divided by 40 positive divisors. The sum of these divisors (counting 28278320) is 1, the average is 0.025.
Base conversion 28278320
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011110111111000110000 |
| 3 | Ternary | 1222012200120012 |
| 4 | Quaternary | 1223313320300 |
| 5 | Quinary | 24214401240 |
| 6 | Senary | 2450034052 |
| 8 | Octal | 153677060 |
| 10 | Decimal | 28278320 |
| 12 | Duodecimal | 9578928 |
| 16 | Hexadecimal | 1af7e30 |
| 20 | Vigesimal | 8gefg0 |
| 36 | Base36 | gu3ow |
Cryptographic Hash Functions
| md5 | c7e23939b988aa8d7418b3bd484cb11c |
|---|---|
| sha1 | 7fdb86db32025f2148c6afb3641278ee83c9af83 |
| sha256 | 7f0982c6269a4bfa4d43fb827d47e79a900a13d787d70659358929eedacb178b |
| sha512 | 3e8fec61d2ec47988a24d8f2faae141f6cb845a900f78b0f9c0da08a6f4e20a79657abc5b921ab88f2abff3882b353cc406d680b4ce273700a010654e2077591 |
| ripemd-160 | fd64a8b383addf56fb2ec8932e646c7df411aabb |
28278320 as geometric shapes
Circle
Radius = n| Diameter | 56556640 |
|---|---|
| Circumference | 177677924.73572 |
| Area | 2.5122166063063E+15 |
Sphere
Radius = n| Volume | 9.472168680326E+22 |
|---|---|
| Surface area | 1.0048866425225E+16 |
| Circumference | 177677924.73572 |
Square
Length = n| Perimeter | 113113280 |
|---|---|
| Area | 799663382022400 |
| Diagonal | 39991583.665126 |
Cube
Length = n| Surface area | 4797980292134400 |
|---|---|
| Volume | 2.2613137009112E+22 |
| Space diagonal | 48979486.992691 |
Equilateral Triangle
Length = n| Perimeter | 84834960 |
|---|---|
| Area | 3.4626440165379E+14 |
| Altitude | 24489743.496346 |
Triangular Pyramid
Length = n| Surface area | 3.4626440165379E+14 |
|---|---|
| Volume | 2.6649837538406E+21 |
| Height | 13330527.888375 |