15142788 (number)
15142788 is an even 8-digits composite number following 15142787 and preceding 15142789. In scientific notation, it is written as 1.5142788 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 42 positive divisors. There are 5038848 positive integers (up to 15142788) that are relatively prime to 15142788.
Interesting facts
- 15142788 has 42 divisors, whose sum is 36830738
- The reverse of 15142788 is 88724151
- Previous prime number is 81
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | fifteen million one hundred forty-two thousand seven hundred eighty-eight |
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Notation
Scientific notation | 1.5142788 × 10^7 |
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Engineering notation | 1.5142788 × 10^6 |
Prime Factorization of 15142788
Prime Factorization 2 × 2 × 27 × 3 × 81 × 577
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 7571394 | Product of the distinct prime numbers |
The prime factorization of 15142788 is 2 × 2 × 27 × 3 × 81 × 577. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 15142788)
Multiplication
n×yn×2 | 30285576 |
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n×3 | 45428364 |
n×4 | 60571152 |
n×5 | 75713940 |
Division
n÷yn÷2 | 7571394 |
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n÷3 | 5047596 |
n÷3 | 3785697 |
n÷5 | 3028557.6 |
Exponentiation
nyn2 | 229304028412944 |
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n3 | 3.4723022898032E+21 |
n4 | 5.2580337446404E+28 |
n5 | 7.9621290291936E+35 |
Nth Root
y√n2√n | 3891.3735364264 |
---|---|
3√n | 247.40128294532 |
4√n | 62.380874764838 |
5√n | 27.292364853941 |
Divisors of 15142788
42 divisors
τ | Total Divisors | 42 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -15142787 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.023809523809524 | 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 | 42 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 15142788 can be divided by 42 positive divisors. The sum of these divisors (counting 15142788) is 1, the average is 0.023809523809524.
Base conversion 15142788
Base | System | Value |
---|---|---|
2 | Binary | 111001110000111110000100 |
3 | Ternary | 1001111100000000 |
4 | Quaternary | 321300332010 |
5 | Quinary | 12334032123 |
6 | Senary | 1300321300 |
8 | Octal | 71607604 |
10 | Decimal | 15142788 |
12 | Duodecimal | 50a3230 |
16 | Hexadecimal | e70f84 |
20 | Vigesimal | 4ecgj8 |
36 | Base36 | 90k90 |
Cryptographic Hash Functions
md5 | 20f58fb4b0f820f4828cac9234ea9435 |
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sha1 | 3ffd439badfdad407d51991b96dbde112aa64c81 |
sha256 | 4a18ad7ec4ee01be6a74e7e11be8e38c56bb2df26853657fa94b8b07bdb5d360 |
sha512 | fef56dd63e25813082ad794f2d8cbc828e9d65c39e4ae24dc9cae1e71fbc08ee6b1fcda14070e16965c3d3afad785badf65ea726ab8c9df288f8d4e2de819e98 |
ripemd-160 | 3cb5cfbf5e1b3d29d95d3262695bd6a9e637e3e0 |
15142788 as geometric shapes
Circle
Radius = nDiameter | 30285576 |
---|---|
Circumference | 95144943.071335 |
Area | 7.2037985110065E+14 |
Sphere
Radius = nVolume | 1.4544745819585E+22 |
---|---|
Surface area | 2.8815194044026E+15 |
Circumference | 95144943.071335 |
Square
Length = nPerimeter | 60571152 |
---|---|
Area | 229304028412944 |
Diagonal | 21415136.161741 |
Cube
Length = nSurface area | 1375824170477664 |
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Volume | 3.4723022898032E+21 |
Space diagonal | 26228078.184244 |
Equilateral Triangle
Length = nPerimeter | 45428364 |
---|---|
Area | 99291556897859 |
Altitude | 13114039.092122 |
Triangular Pyramid
Length = nSurface area | 99291556897859 |
---|---|
Volume | 4.0921474924157E+20 |
Height | 7138378.7205802 |