12987568 (number)
12987568 is an even 8-digits composite number following 12987567 and preceding 12987569. In scientific notation, it is written as 1.2987568 × 10^7. The sum of its digits is 46. It has a total of 7 prime factors and 40 positive divisors. There are 5840640 positive integers (up to 12987568) that are relatively prime to 12987568.
Interesting facts
- 12987568 has 40 divisors, whose sum is 27743760
- The reverse of 12987568 is 86578921
- Previous prime number is 109
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 46
- Digital Root 1
Name
| Name | twelve million nine hundred eighty-seven thousand five hundred sixty-eight |
|---|
Notation
| Scientific notation | 1.2987568 × 10^7 |
|---|---|
| Engineering notation | 1.2987568 × 10^6 |
Prime Factorization of 12987568
Prime Factorization 2 × 2 × 2 × 2 × 11 × 109 × 677
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 1623446 | Product of the distinct prime numbers |
The prime factorization of 12987568 is 2 × 2 × 2 × 2 × 11 × 109 × 677. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12987568)
Multiplication
n×y| n×2 | 25975136 |
|---|---|
| n×3 | 38962704 |
| n×4 | 51950272 |
| n×5 | 64937840 |
Division
n÷y| n÷2 | 6493784 |
|---|---|
| n÷3 | 4329189.3333333 |
| n÷3 | 3246892 |
| n÷5 | 2597513.6 |
Exponentiation
ny| n2 | 168676922554624 |
|---|---|
| n3 | 2.1907030017089E+21 |
| n4 | 2.8451904202499E+28 |
| n5 | 3.6952104055944E+35 |
Nth Root
y√n| 2√n | 3603.8268548863 |
|---|---|
| 3√n | 235.05849155159 |
| 4√n | 60.031881986877 |
| 5√n | 26.467051771403 |
Divisors of 12987568
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 | -12987567 | 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 12987568 can be divided by 40 positive divisors. The sum of these divisors (counting 12987568) is 1, the average is 0.025.
Base conversion 12987568
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110001100010110010110000 |
| 3 | Ternary | 220102211121001 |
| 4 | Quaternary | 301202302300 |
| 5 | Quinary | 11311100233 |
| 6 | Senary | 1142211344 |
| 8 | Octal | 61426260 |
| 10 | Decimal | 12987568 |
| 12 | Duodecimal | 4423b54 |
| 16 | Hexadecimal | c62cb0 |
| 20 | Vigesimal | 4138i8 |
| 36 | Base36 | 7qd9s |
Cryptographic Hash Functions
| md5 | a9d88531761660bcc12c9df55ac6181b |
|---|---|
| sha1 | bdc00b3997a5258a96040ec945a2a4f6e2ab6339 |
| sha256 | dd272623627cf401acc4fbdb0a9af51e5447a3937daf29517a36f45f0ad48531 |
| sha512 | 0a686424638992faff4b2a2b1e8f84aaada73f2273ac6027aa823595b8aa82d7305f18b1271c9bc3df61dcad4bd552f61cd71b9f73a50d6507df7afa6708bfc9 |
| ripemd-160 | bb165e4ec01e364772df36e19055b22e5d6826e2 |
12987568 as geometric shapes
Circle
Radius = n| Diameter | 25975136 |
|---|---|
| Circumference | 81603296.433596 |
| Area | 5.2991418072774E+14 |
Sphere
Radius = n| Volume | 9.1763952751544E+21 |
|---|---|
| Surface area | 2.119656722911E+15 |
| Circumference | 81603296.433596 |
Square
Length = n| Perimeter | 51950272 |
|---|---|
| Area | 168676922554624 |
| Diagonal | 18367194.807843 |
Cube
Length = n| Surface area | 1012061535327744 |
|---|---|
| Volume | 2.1907030017089E+21 |
| Space diagonal | 22495127.642756 |
Equilateral Triangle
Length = n| Perimeter | 38962704 |
|---|---|
| Area | 73039249982242 |
| Altitude | 11247563.821378 |
Triangular Pyramid
Length = n| Surface area | 73039249982242 |
|---|---|
| Volume | 2.5817682467902E+20 |
| Height | 6122398.2692809 |