13187988 (number)
13187988 is an even 8-digits composite number following 13187987 and preceding 13187989. In scientific notation, it is written as 1.3187988 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 3755520 positive integers (up to 13187988) that are relatively prime to 13187988.
Interesting facts
- 13187988 has 48 divisors, whose sum is 32961600
- The reverse of 13187988 is 88978131
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | thirteen million one hundred eighty-seven thousand nine hundred eighty-eight |
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Notation
Scientific notation | 1.3187988 × 10^7 |
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Engineering notation | 1.3187988 × 10^6 |
Prime Factorization of 13187988
Prime Factorization 2 × 2 × 99 × 3 × 17 × 653
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 6593994 | Product of the distinct prime numbers |
The prime factorization of 13187988 is 2 × 2 × 99 × 3 × 17 × 653. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 13187988)
Multiplication
n×yn×2 | 26375976 |
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n×3 | 39563964 |
n×4 | 52751952 |
n×5 | 65939940 |
Division
n÷yn÷2 | 6593994 |
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n÷3 | 4395996 |
n÷3 | 3296997 |
n÷5 | 2637597.6 |
Exponentiation
nyn2 | 173923027488144 |
---|---|
n3 | 2.2936947994373E+21 |
n4 | 3.0249219490642E+28 |
n5 | 3.9892634365195E+35 |
Nth Root
y√n2√n | 3631.5269515729 |
---|---|
3√n | 236.26144061503 |
4√n | 60.26215189962 |
5√n | 26.548238385315 |
Divisors of 13187988
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 | -13187987 | 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 13187988 can be divided by 48 positive divisors. The sum of these divisors (counting 13187988) is 1, the average is 0.020833333333333.
Base conversion 13187988
Base | System | Value |
---|---|---|
2 | Binary | 110010010011101110010100 |
3 | Ternary | 220211000112000 |
4 | Quaternary | 302103232110 |
5 | Quinary | 11334003423 |
6 | Senary | 1150355300 |
8 | Octal | 62235624 |
10 | Decimal | 13187988 |
12 | Duodecimal | 44bbb30 |
16 | Hexadecimal | c93b94 |
20 | Vigesimal | 4289j8 |
36 | Base36 | 7unx0 |
Cryptographic Hash Functions
md5 | fb1e2a6ee37992445253d86613a76f8f |
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sha1 | d7394cdc0439451bb467f5f291a972439fa20bb7 |
sha256 | cb94e953529b52b34812141b7d7cee9bf2a0c243abdc38deac55ac4c56c564a0 |
sha512 | 95f64196662787442feab686bcc30c43c0e702925bbc8525274b3129bf908b4b612c2e7ae8b63b982ee1bf6cafb1c636dd463af17f619eae9d00dbef0eed64ff |
ripemd-160 | 5856f9a9459ddc96b8074cfe02fe1db86e3a3727 |
13187988 as geometric shapes
Circle
Radius = nDiameter | 26375976 |
---|---|
Circumference | 82862572.432861 |
Area | 5.4639530544685E+14 |
Sphere
Radius = nVolume | 9.6078063086525E+21 |
---|---|
Surface area | 2.1855812217874E+15 |
Circumference | 82862572.432861 |
Square
Length = nPerimeter | 52751952 |
---|---|
Area | 173923027488144 |
Diagonal | 18650631.490014 |
Cube
Length = nSurface area | 1043538164928864 |
---|---|
Volume | 2.2936947994373E+21 |
Space diagonal | 22842265.265609 |
Equilateral Triangle
Length = nPerimeter | 39563964 |
---|---|
Area | 75310880053916 |
Altitude | 11421132.632804 |
Triangular Pyramid
Length = nSurface area | 75310880053916 |
---|---|
Volume | 2.7031452444241E+20 |
Height | 6216877.1633379 |