28665616 (number)
28665616 is an even 8-digits composite number following 28665615 and preceding 28665617. In scientific notation, it is written as 2.8665616 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 40 positive divisors. There are 12216960 positive integers (up to 28665616) that are relatively prime to 28665616.
Interesting facts
- 28665616 has 40 divisors, whose sum is 63827264
- The reverse of 28665616 is 61656682
- Previous prime number is 211
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 40
- Digital Root 4
Name
| Name | twenty-eight million six hundred sixty-five thousand six hundred sixteen |
|---|
Notation
| Scientific notation | 2.8665616 × 10^7 |
|---|---|
| Engineering notation | 2.8665616 × 10^6 |
Prime Factorization of 28665616
Prime Factorization 2 × 2 × 2 × 2 × 7 × 211 × 1213
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3583202 | Product of the distinct prime numbers |
The prime factorization of 28665616 is 2 × 2 × 2 × 2 × 7 × 211 × 1213. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28665616)
Multiplication
n×y| n×2 | 57331232 |
|---|---|
| n×3 | 85996848 |
| n×4 | 114662464 |
| n×5 | 143328080 |
Division
n÷y| n÷2 | 14332808 |
|---|---|
| n÷3 | 9555205.3333333 |
| n÷3 | 7166404 |
| n÷5 | 5733123.2 |
Exponentiation
ny| n2 | 821717540659456 |
|---|---|
| n3 | 2.3555039481008E+22 |
| n4 | 6.7521971662742E+29 |
| n5 | 1.9355589112471E+37 |
Nth Root
y√n| 2√n | 5354.028016363 |
|---|---|
| 3√n | 306.04627149962 |
| 4√n | 73.171223963817 |
| 5√n | 31.007892930636 |
Divisors of 28665616
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 | -28665615 | 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 28665616 can be divided by 40 positive divisors. The sum of these divisors (counting 28665616) is 1, the average is 0.025.
Base conversion 28665616
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101101010110011100010000 |
| 3 | Ternary | 1222221100211111 |
| 4 | Quaternary | 1231112130100 |
| 5 | Quinary | 24314244431 |
| 6 | Senary | 2502223104 |
| 8 | Octal | 155263420 |
| 10 | Decimal | 28665616 |
| 12 | Duodecimal | 9724a94 |
| 16 | Hexadecimal | 1b56710 |
| 20 | Vigesimal | 8j340g |
| 36 | Base36 | h2ej4 |
Cryptographic Hash Functions
| md5 | 7333321a76ada42a48d9a514ce435b44 |
|---|---|
| sha1 | dd5e1e6083b4690bf2adfbf1af93659da764fcdf |
| sha256 | fb6eeebdf855b36aae4fda65631e458c7c90208c83d6fc4166c7e4c873357a8b |
| sha512 | eb33c88845a88371564298a10bc40af7045c947f70c55fdb9bfd715a4078d0178bd7e637cfcf6336f0d3907f2119c2c88714917a4019903d39184a7e0d7ca206 |
| ripemd-160 | 6fd0c567b9de43657ba57f2fc14cbf9665086ff1 |
28665616 as geometric shapes
Circle
Radius = n| Diameter | 57331232 |
|---|---|
| Circumference | 180111377.27245 |
| Area | 2.5815017890616E+15 |
Sphere
Radius = n| Volume | 9.8667118651404E+22 |
|---|---|
| Surface area | 1.0326007156246E+16 |
| Circumference | 180111377.27245 |
Square
Length = n| Perimeter | 114662464 |
|---|---|
| Area | 821717540659456 |
| Diagonal | 40539302.920979 |
Cube
Length = n| Surface area | 4930305243956736 |
|---|---|
| Volume | 2.3555039481008E+22 |
| Space diagonal | 49650303.342259 |
Equilateral Triangle
Length = n| Perimeter | 85996848 |
|---|---|
| Area | 3.5581413247318E+14 |
| Altitude | 24825151.67113 |
Triangular Pyramid
Length = n| Surface area | 3.5581413247318E+14 |
|---|---|
| Volume | 2.7759880246896E+21 |
| Height | 13513100.97366 |