12918880 (number)
12918880 is an even 8-digits composite number following 12918879 and preceding 12918881. In scientific notation, it is written as 1.2918880 × 10^7. The sum of its digits is 37. It has a total of 8 prime factors and 48 positive divisors. There are 4769280 positive integers (up to 12918880) that are relatively prime to 12918880.
Interesting facts
- 12918880 has 48 divisors, whose sum is 32873904
- The reverse of 12918880 is 08881921
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 37
- Digital Root 1
Name
| Name | twelve million nine hundred eighteen thousand eight hundred eighty |
|---|
Notation
| Scientific notation | 1.2918880 × 10^7 |
|---|---|
| Engineering notation | 1.2918880 × 10^6 |
Prime Factorization of 12918880
Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 13 × 6211
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 807430 | Product of the distinct prime numbers |
The prime factorization of 12918880 is 2 × 2 × 2 × 2 × 2 × 5 × 13 × 6211. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12918880)
Multiplication
n×y| n×2 | 25837760 |
|---|---|
| n×3 | 38756640 |
| n×4 | 51675520 |
| n×5 | 64594400 |
Division
n÷y| n÷2 | 6459440 |
|---|---|
| n÷3 | 4306293.3333333 |
| n÷3 | 3229720 |
| n÷5 | 2583776 |
Exponentiation
ny| n2 | 166897460454400 |
|---|---|
| n3 | 2.1561282639151E+21 |
| n4 | 2.7854762306128E+28 |
| n5 | 3.5985233166139E+35 |
Nth Root
y√n| 2√n | 3594.2843515782 |
|---|---|
| 3√n | 234.64337033428 |
| 4√n | 59.952350676001 |
| 5√n | 26.438996834334 |
Divisors of 12918880
48 divisors
| τ | Total Divisors | 48 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -12918879 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12918880 can be divided by 48 positive divisors. The sum of these divisors (counting 12918880) is 1, the average is 0.020833333333333.
Base conversion 12918880
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110001010010000001100000 |
| 3 | Ternary | 220022100101001 |
| 4 | Quaternary | 301102001200 |
| 5 | Quinary | 11301401010 |
| 6 | Senary | 1140521344 |
| 8 | Octal | 61220140 |
| 10 | Decimal | 12918880 |
| 12 | Duodecimal | 43b0254 |
| 16 | Hexadecimal | c52060 |
| 20 | Vigesimal | 40eh40 |
| 36 | Base36 | 7ow9s |
Cryptographic Hash Functions
| md5 | a1b510c77e1dc74f0ee06f02f5c4cec4 |
|---|---|
| sha1 | 780e330d4672556e52d5a6975d8c19ede8ba4de0 |
| sha256 | 76f7b8c8073630936088ef588ca61a5d9795456543928224cbcab3aa4137e27b |
| sha512 | b7312a7318af00d40139953ba4a5c1701aaa2d50d712a0179aefa91ddbe22a181f7e08c1b591527fe2d43922a8e6103fa2a6b84ea2ad856b8fd714a8d85a1fe5 |
| ripemd-160 | 03ec29f40348f48535676f80fbf7f480e7a513c8 |
12918880 as geometric shapes
Circle
Radius = n| Diameter | 25837760 |
|---|---|
| Circumference | 81171717.001216 |
| Area | 5.2432383566634E+14 |
Sphere
Radius = n| Volume | 9.0315689521508E+21 |
|---|---|
| Surface area | 2.0972953426653E+15 |
| Circumference | 81171717.001216 |
Square
Length = n| Perimeter | 51675520 |
|---|---|
| Area | 166897460454400 |
| Diagonal | 18270055.306671 |
Cube
Length = n| Surface area | 1001384762726400 |
|---|---|
| Volume | 2.1561282639151E+21 |
| Space diagonal | 22376156.536885 |
Equilateral Triangle
Length = n| Perimeter | 38756640 |
|---|---|
| Area | 72268720290310 |
| Altitude | 11188078.268443 |
Triangular Pyramid
Length = n| Surface area | 72268720290310 |
|---|---|
| Volume | 2.5410215275373E+20 |
| Height | 6090018.4355568 |