12761388 (number)
12761388 is an even 8-digits composite number following 12761387 and preceding 12761389. In scientific notation, it is written as 1.2761388 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 4024080 positive integers (up to 12761388) that are relatively prime to 12761388.
Interesting facts
- 12761388 has 72 divisors, whose sum is 35264320
- The reverse of 12761388 is 88316721
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
| Name | twelve million seven hundred sixty-one thousand three hundred eighty-eight |
|---|
Notation
| Scientific notation | 1.2761388 × 10^7 |
|---|---|
| Engineering notation | 1.2761388 × 10^6 |
Prime Factorization of 12761388
Prime Factorization 2 × 2 × 27 × 3 × 3 × 19 × 691
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2126898 | Product of the distinct prime numbers |
The prime factorization of 12761388 is 2 × 2 × 27 × 3 × 3 × 19 × 691. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12761388)
Multiplication
n×y| n×2 | 25522776 |
|---|---|
| n×3 | 38284164 |
| n×4 | 51045552 |
| n×5 | 63806940 |
Division
n÷y| n÷2 | 6380694 |
|---|---|
| n÷3 | 4253796 |
| n÷3 | 3190347 |
| n÷5 | 2552277.6 |
Exponentiation
ny| n2 | 162853023686544 |
|---|---|
| n3 | 2.0782306222372E+21 |
| n4 | 2.652110732385E+28 |
| n5 | 3.3844614074929E+35 |
Nth Root
y√n| 2√n | 3572.3084973165 |
|---|---|
| 3√n | 233.68596928821 |
| 4√n | 59.768792001483 |
| 5√n | 26.37421745699 |
Divisors of 12761388
72 divisors
| τ | Total Divisors | 72 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -12761387 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12761388 can be divided by 72 positive divisors. The sum of these divisors (counting 12761388) is 1, the average is 0.013888888888889.
Base conversion 12761388
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110000101011100100101100 |
| 3 | Ternary | 220000100100000 |
| 4 | Quaternary | 300223210230 |
| 5 | Quinary | 11231331023 |
| 6 | Senary | 1133304300 |
| 8 | Octal | 60534454 |
| 10 | Decimal | 12761388 |
| 12 | Duodecimal | 4335090 |
| 16 | Hexadecimal | c2b92c |
| 20 | Vigesimal | 3jf398 |
| 36 | Base36 | 7lir0 |
Cryptographic Hash Functions
| md5 | c4a4d2d0cc9e215c4cf142015a9329a4 |
|---|---|
| sha1 | 8aae35af288355e87e152a4d498d0420452d6a5f |
| sha256 | 7028adedde3bdbff929fcbfc1cb43d690fe28fec3dec20f3b48fe7814d8862f4 |
| sha512 | a5cb160b1360e68b253d3c63914e8b3c9717d818cb8ee9dc005b99c0cf9e489426f3d610b2af97a6eb5d619147b207bc34fa48dfabf7a8c44e209e08e96e6589 |
| ripemd-160 | bfab9f6919e756f12f79c294571c521edb9aa696 |
12761388 as geometric shapes
Circle
Radius = n| Diameter | 25522776 |
|---|---|
| Circumference | 80182165.580818 |
| Area | 5.1161786282853E+14 |
Sphere
Radius = n| Volume | 8.7052720737142E+21 |
|---|---|
| Surface area | 2.0464714513141E+15 |
| Circumference | 80182165.580818 |
Square
Length = n| Perimeter | 51045552 |
|---|---|
| Area | 162853023686544 |
| Diagonal | 18047327.984305 |
Cube
Length = n| Surface area | 977118142119264 |
|---|---|
| Volume | 2.0782306222372E+21 |
| Space diagonal | 22103372.3911 |
Equilateral Triangle
Length = n| Perimeter | 38284164 |
|---|---|
| Area | 70517427797828 |
| Altitude | 11051686.19555 |
Triangular Pyramid
Length = n| Surface area | 70517427797828 |
|---|---|
| Volume | 2.4492182764224E+20 |
| Height | 6015775.9947684 |