12987756 (number)
12987756 is an even 8-digits composite number following 12987755 and preceding 12987757. In scientific notation, it is written as 1.2987756 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 4245696 positive integers (up to 12987756) that are relatively prime to 12987756.
Interesting facts
- 12987756 has 48 divisors, whose sum is 34322400
- The reverse of 12987756 is 65778921
- Previous prime number is 53
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | twelve million nine hundred eighty-seven thousand seven hundred fifty-six |
---|
Notation
Scientific notation | 1.2987756 × 10^7 |
---|---|
Engineering notation | 1.2987756 × 10^6 |
Prime Factorization of 12987756
Prime Factorization 2 × 2 × 3 × 9 × 53 × 2269
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 6493878 | Product of the distinct prime numbers |
The prime factorization of 12987756 is 2 × 2 × 3 × 9 × 53 × 2269. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12987756)
Multiplication
n×yn×2 | 25975512 |
---|---|
n×3 | 38963268 |
n×4 | 51951024 |
n×5 | 64938780 |
Division
n÷yn÷2 | 6493878 |
---|---|
n÷3 | 4329252 |
n÷3 | 3246939 |
n÷5 | 2597551.2 |
Exponentiation
nyn2 | 168681805915536 |
---|---|
n3 | 2.1907981368703E+21 |
n4 | 2.8453551646927E+28 |
n5 | 3.6954778612368E+35 |
Nth Root
y√n2√n | 3603.852938176 |
---|---|
3√n | 235.05962573323 |
4√n | 60.032099231795 |
5√n | 26.467128395093 |
Divisors of 12987756
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 | -12987755 | 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 12987756 can be divided by 48 positive divisors. The sum of these divisors (counting 12987756) is 1, the average is 0.020833333333333.
Base conversion 12987756
Base | System | Value |
---|---|---|
2 | Binary | 110001100010110101101100 |
3 | Ternary | 220102211212000 |
4 | Quaternary | 301202311230 |
5 | Quinary | 11311102011 |
6 | Senary | 1142212300 |
8 | Octal | 61426554 |
10 | Decimal | 12987756 |
12 | Duodecimal | 4424090 |
16 | Hexadecimal | c62d6c |
20 | Vigesimal | 41397g |
36 | Base36 | 7qdf0 |
Cryptographic Hash Functions
md5 | 14b7d124b87ad2c9e1e64acc9ce49455 |
---|---|
sha1 | 056dadc34b336322da89c4ea6300a3f66feebbe4 |
sha256 | 88ad626d504acbe506e56113d32fa7a61131e8ba284e89ffa15fa73ca9581826 |
sha512 | 79834f2dfa922bf5f0c37d491dc4784bd59e8a7d61eb5271cb0510ce02eb7dddce8d18e7e5dbd1e2012cc98f48fc20b3c53a56f4cabc348c0446f06395afdb7f |
ripemd-160 | 2dc9469aa2edcf7d5af14bf4e921cf5cf912a180 |
12987756 as geometric shapes
Circle
Radius = nDiameter | 25975512 |
---|---|
Circumference | 81604477.672434 |
Area | 5.2992952225851E+14 |
Sphere
Radius = nVolume | 9.1767937763867E+21 |
---|---|
Surface area | 2.119718089034E+15 |
Circumference | 81604477.672434 |
Square
Length = nPerimeter | 51951024 |
---|---|
Area | 168681805915536 |
Diagonal | 18367460.679993 |
Cube
Length = nSurface area | 1012090835493216 |
---|---|
Volume | 2.1907981368703E+21 |
Space diagonal | 22495453.268308 |
Equilateral Triangle
Length = nPerimeter | 38963268 |
---|---|
Area | 73041364539545 |
Altitude | 11247726.634154 |
Triangular Pyramid
Length = nSurface area | 73041364539545 |
---|---|
Volume | 2.5818803646531E+20 |
Height | 6122486.8933308 |