20172864 (number)
20172864 is an even 8-digits composite number following 20172863 and preceding 20172865. In scientific notation, it is written as 2.0172864 × 10^7. The sum of its digits is 30. It has a total of 9 prime factors and 56 positive divisors. There are 6490624 positive integers (up to 20172864) that are relatively prime to 20172864.
Interesting facts
- 20172864 has 56 divisors, whose sum is 55229760
- The reverse of 20172864 is 46827102
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty million one hundred seventy-two thousand eight hundred sixty-four |
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Notation
Scientific notation | 2.0172864 × 10^7 |
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Engineering notation | 2.0172864 × 10^6 |
Prime Factorization of 20172864
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 29 × 3623
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 630402 | Product of the distinct prime numbers |
The prime factorization of 20172864 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 29 × 3623. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20172864)
Multiplication
n×yn×2 | 40345728 |
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n×3 | 60518592 |
n×4 | 80691456 |
n×5 | 100864320 |
Division
n÷yn÷2 | 10086432 |
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n÷3 | 6724288 |
n÷3 | 5043216 |
n÷5 | 4034572.8 |
Exponentiation
nyn2 | 406944441962496 |
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n3 | 8.2092348832653E+21 |
n4 | 1.6560377884417E+29 |
n5 | 3.3407025085095E+36 |
Nth Root
y√n2√n | 4491.4211559372 |
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3√n | 272.22156111336 |
4√n | 67.018065892244 |
5√n | 28.903704739533 |
Divisors of 20172864
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20172863 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20172864 can be divided by 56 positive divisors. The sum of these divisors (counting 20172864) is 1, the average is 0.017857142857143.
Base conversion 20172864
Base | System | Value |
---|---|---|
2 | Binary | 1001100111101000001000000 |
3 | Ternary | 1101221212222010 |
4 | Quaternary | 1030331001000 |
5 | Quinary | 20131012424 |
6 | Senary | 2000212520 |
8 | Octal | 114750100 |
10 | Decimal | 20172864 |
12 | Duodecimal | 690a140 |
16 | Hexadecimal | 133d040 |
20 | Vigesimal | 661c34 |
36 | Base36 | c0dhc |
Cryptographic Hash Functions
md5 | 3a7fc74af9b75b12866affd275809a7d |
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sha1 | 951cd118850434ef031d2d34b20ecaa9f6dd6679 |
sha256 | b5376a5ccb62c5360b3f4d6852da11081f504f41c4a25e238a11ffe3e03d5186 |
sha512 | e0af0c06fe6a41923bc3fbe5e552085c9ddc8f6aca475570835dc863c912a97d936a7cc91806953025c6741964e85ff1524e0482b73d78e7d399eabe8f819bb8 |
ripemd-160 | 8030ede389e03b5be499544a9746af43446670cd |
20172864 as geometric shapes
Circle
Radius = nDiameter | 40345728 |
---|---|
Circumference | 126749842.68853 |
Area | 1.2784536692886E+15 |
Sphere
Radius = nVolume | 3.4386762667813E+22 |
---|---|
Surface area | 5.1138146771543E+15 |
Circumference | 126749842.68853 |
Square
Length = nPerimeter | 80691456 |
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Area | 406944441962496 |
Diagonal | 28528737.860708 |
Cube
Length = nSurface area | 2441666651774976 |
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Volume | 8.2092348832653E+21 |
Space diagonal | 34940425.382177 |
Equilateral Triangle
Length = nPerimeter | 60518592 |
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Area | 1.762121123342E+14 |
Altitude | 17470212.691089 |
Triangular Pyramid
Length = nSurface area | 1.762121123342E+14 |
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Volume | 9.6746760905168E+20 |
Height | 9509579.2869027 |