12887500 (number)
12887500 is an even 8-digits composite number following 12887499 and preceding 12887501. In scientific notation, it is written as 1.2887500 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 36 positive divisors. There are 5150000 positive integers (up to 12887500) that are relatively prime to 12887500.
Interesting facts
- 12887500 has 36 divisors, whose sum is 28216944
- The reverse of 12887500 is 00578821
- Previous prime number is 25
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 31
- Digital Root 4
Name
| Name | twelve million eight hundred eighty-seven thousand five hundred |
|---|
Notation
| Scientific notation | 1.2887500 × 10^7 |
|---|---|
| Engineering notation | 1.2887500 × 10^6 |
Prime Factorization of 12887500
Prime Factorization 2 × 2 × 25 × 5 × 25 × 1031
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 257750 | Product of the distinct prime numbers |
The prime factorization of 12887500 is 2 × 2 × 25 × 5 × 25 × 1031. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12887500)
Multiplication
n×y| n×2 | 25775000 |
|---|---|
| n×3 | 38662500 |
| n×4 | 51550000 |
| n×5 | 64437500 |
Division
n÷y| n÷2 | 6443750 |
|---|---|
| n÷3 | 4295833.3333333 |
| n÷3 | 3221875 |
| n÷5 | 2577500 |
Exponentiation
ny| n2 | 166087656250000 |
|---|---|
| n3 | 2.1404546699219E+21 |
| n4 | 2.7585109558618E+28 |
| n5 | 3.5550309943669E+35 |
Nth Root
y√n| 2√n | 3589.9164335678 |
|---|---|
| 3√n | 234.45323314254 |
| 4√n | 59.915911355564 |
| 5√n | 26.42614025556 |
Divisors of 12887500
36 divisors
| τ | Total Divisors | 36 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -12887499 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.027777777777778 | 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 | 36 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12887500 can be divided by 36 positive divisors. The sum of these divisors (counting 12887500) is 1, the average is 0.027777777777778.
Base conversion 12887500
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110001001010010111001100 |
| 3 | Ternary | 220020202022211 |
| 4 | Quaternary | 301022113030 |
| 5 | Quinary | 11244400000 |
| 6 | Senary | 1140120204 |
| 8 | Octal | 61122714 |
| 10 | Decimal | 12887500 |
| 12 | Duodecimal | 4396064 |
| 16 | Hexadecimal | c4a5cc |
| 20 | Vigesimal | 40aif0 |
| 36 | Base36 | 7o824 |
Cryptographic Hash Functions
| md5 | fc199405c94ab39203244f90ba45e69b |
|---|---|
| sha1 | 074040abc07a5c9ab3b628bd5958162b7cd61421 |
| sha256 | 8c807bb78baf88eb4c764f3145464399d401921720e61f8312cd03e41afc2060 |
| sha512 | 6427d056d78a217f32dad73ec8a4a53d7bd32a2182a86e7a3aaaefff90f3568ef9a036004162cd11c07031454f191380b9f5c4ef43c0b5358a5c19a91713dd91 |
| ripemd-160 | 1876d3c0575135dbb09b1497840ef6c00f8a81aa |
12887500 as geometric shapes
Circle
Radius = n| Diameter | 25775000 |
|---|---|
| Circumference | 80974550.646277 |
| Area | 5.2177976072695E+14 |
Sphere
Radius = n| Volume | 8.965915555158E+21 |
|---|---|
| Surface area | 2.0871190429078E+15 |
| Circumference | 80974550.646277 |
Square
Length = n| Perimeter | 51550000 |
|---|---|
| Area | 166087656250000 |
| Diagonal | 18225677.285083 |
Cube
Length = n| Surface area | 996525937500000 |
|---|---|
| Volume | 2.1404546699219E+21 |
| Space diagonal | 22321804.782544 |
Equilateral Triangle
Length = n| Perimeter | 38662500 |
|---|---|
| Area | 71918064783759 |
| Altitude | 11160902.391272 |
Triangular Pyramid
Length = n| Surface area | 71918064783759 |
|---|---|
| Volume | 2.5225500198736E+20 |
| Height | 6075225.7616944 |