20151312 (number)
20151312 is an even 8-digits composite number following 20151311 and preceding 20151313. In scientific notation, it is written as 2.0151312 × 10^7. The sum of its digits is 15. It has a total of 7 prime factors and 40 positive divisors. There are 6424704 positive integers (up to 20151312) that are relatively prime to 20151312.
Interesting facts
- 20151312 has 40 divisors, whose sum is 54323904
- The reverse of 20151312 is 21315102
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 15
- Digital Root 6
Name
Name | twenty million one hundred fifty-one thousand three hundred twelve |
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Notation
Scientific notation | 2.0151312 × 10^7 |
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Engineering notation | 2.0151312 × 10^6 |
Prime Factorization of 20151312
Prime Factorization 2 × 2 × 2 × 2 × 3 × 23 × 18253
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2518914 | Product of the distinct prime numbers |
The prime factorization of 20151312 is 2 × 2 × 2 × 2 × 3 × 23 × 18253. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20151312)
Multiplication
n×yn×2 | 40302624 |
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n×3 | 60453936 |
n×4 | 80605248 |
n×5 | 100756560 |
Division
n÷yn÷2 | 10075656 |
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n÷3 | 6717104 |
n÷3 | 5037828 |
n÷5 | 4030262.4 |
Exponentiation
nyn2 | 406075375321344 |
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n3 | 8.1829515836175E+21 |
n4 | 1.6489721044237E+29 |
n5 | 3.3228951355539E+36 |
Nth Root
y√n2√n | 4489.0212741755 |
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3√n | 272.12458249124 |
4√n | 67.000158762315 |
5√n | 28.897526152067 |
Divisors of 20151312
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 | -20151311 | 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 20151312 can be divided by 40 positive divisors. The sum of these divisors (counting 20151312) is 1, the average is 0.025.
Base conversion 20151312
Base | System | Value |
---|---|---|
2 | Binary | 1001100110111110000010000 |
3 | Ternary | 1101220210101220 |
4 | Quaternary | 1030313300100 |
5 | Quinary | 20124320222 |
6 | Senary | 1555525040 |
8 | Octal | 114676020 |
10 | Decimal | 20151312 |
12 | Duodecimal | 68b9780 |
16 | Hexadecimal | 1337c10 |
20 | Vigesimal | 65ii5c |
36 | Base36 | bzwuo |
Cryptographic Hash Functions
md5 | da50356869f5cb61f30bb21e68dba9b4 |
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sha1 | 6e17af03b9fb45f2cef1f849ff7009f39f341074 |
sha256 | dceada7f66282343f4b54a9679cdceb78a7ffa927e6ae83f93be8e583b190bb4 |
sha512 | 0fa917caf441d7bb2a8e5cb976a004714026882ebea50d98ea707beca9d24433f792413fca4e63584315349f7143f599abf37f72178ba617bb3f1a7d547fc928 |
ripemd-160 | cb9812d75fa64db331bd26fdd2b24625ef6f74d2 |
20151312 as geometric shapes
Circle
Radius = nDiameter | 40302624 |
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Circumference | 126614427.47879 |
Area | 1.2757234159133E+15 |
Sphere
Radius = nVolume | 3.4276667439698E+22 |
---|---|
Surface area | 5.102893663653E+15 |
Circumference | 126614427.47879 |
Square
Length = nPerimeter | 80605248 |
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Area | 406075375321344 |
Diagonal | 28498258.730012 |
Cube
Length = nSurface area | 2436452251928064 |
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Volume | 8.1829515836175E+21 |
Space diagonal | 34903096.223172 |
Equilateral Triangle
Length = nPerimeter | 60453936 |
---|---|
Area | 1.7583579543979E+14 |
Altitude | 17451548.111586 |
Triangular Pyramid
Length = nSurface area | 1.7583579543979E+14 |
---|---|
Volume | 9.6437009248286E+20 |
Height | 9499419.5766706 |