12981936 (number)
12981936 is an even 8-digits composite number following 12981935 and preceding 12981937. In scientific notation, it is written as 1.2981936 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 3759360 positive integers (up to 12981936) that are relatively prime to 12981936.
Interesting facts
- 12981936 has 40 divisors, whose sum is 27066720
- The reverse of 12981936 is 63918921
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twelve million nine hundred eighty-one thousand nine hundred thirty-six |
|---|
Notation
| Scientific notation | 1.2981936 × 10^7 |
|---|---|
| Engineering notation | 1.2981936 × 10^6 |
Prime Factorization of 12981936
Prime Factorization 2 × 2 × 2 × 2 × 33 × 23 × 1069
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 1622742 | Product of the distinct prime numbers |
The prime factorization of 12981936 is 2 × 2 × 2 × 2 × 33 × 23 × 1069. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12981936)
Multiplication
n×y| n×2 | 25963872 |
|---|---|
| n×3 | 38945808 |
| n×4 | 51927744 |
| n×5 | 64909680 |
Division
n÷y| n÷2 | 6490968 |
|---|---|
| n÷3 | 4327312 |
| n÷3 | 3245484 |
| n÷5 | 2596387.2 |
Exponentiation
ny| n2 | 168530662308096 |
|---|---|
| n3 | 2.1878542721213E+21 |
| n4 | 2.8402584138005E+28 |
| n5 | 3.687205295142E+35 |
Nth Root
y√n| 2√n | 3603.0453785652 |
|---|---|
| 3√n | 235.0245092892 |
| 4√n | 60.025372789889 |
| 5√n | 26.464755909724 |
Divisors of 12981936
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 | -12981935 | 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 12981936 can be divided by 40 positive divisors. The sum of these divisors (counting 12981936) is 1, the average is 0.025.
Base conversion 12981936
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110001100001011010110000 |
| 3 | Ternary | 220102112212110 |
| 4 | Quaternary | 301201122300 |
| 5 | Quinary | 11310410221 |
| 6 | Senary | 1142125320 |
| 8 | Octal | 61413260 |
| 10 | Decimal | 12981936 |
| 12 | Duodecimal | 4420840 |
| 16 | Hexadecimal | c616b0 |
| 20 | Vigesimal | 412egg |
| 36 | Base36 | 7q8xc |
Cryptographic Hash Functions
| md5 | f034adb19997cc06ce20b513ef3fd5b2 |
|---|---|
| sha1 | 92584dddf7f5f20fa8d17f09fe9a0d25a2d0b337 |
| sha256 | 67e15a025890a4e95b19e92ff2cd5e227f0fbddd9afb61c13e688b25e41c74fc |
| sha512 | 9892316b9297bd61c935cc817d974d90104e7977ae865bc24b48b2b8e9108088d2ec3733544287e9b1f517a7b9dee35ad40b4165c7f57812f7aac611c78f33b1 |
| ripemd-160 | 3de576d11354e23c6bfc88baff2fda1c9215ee4f |
12981936 as geometric shapes
Circle
Radius = n| Diameter | 25963872 |
|---|---|
| Circumference | 81567909.533946 |
| Area | 5.2945469061174E+14 |
Sphere
Radius = n| Volume | 9.1644625445618E+21 |
|---|---|
| Surface area | 2.1178187624469E+15 |
| Circumference | 81567909.533946 |
Square
Length = n| Perimeter | 51927744 |
|---|---|
| Area | 168530662308096 |
| Diagonal | 18359229.95706 |
Cube
Length = n| Surface area | 1011183973848576 |
|---|---|
| Volume | 2.1878542721213E+21 |
| Space diagonal | 22485372.732607 |
Equilateral Triangle
Length = n| Perimeter | 38945808 |
|---|---|
| Area | 72975917437714 |
| Altitude | 11242686.366304 |
Triangular Pyramid
Length = n| Surface area | 72975917437714 |
|---|---|
| Volume | 2.5784109867749E+20 |
| Height | 6119743.3190198 |