20172642 (number)
20172642 is an even 8-digits composite number following 20172641 and preceding 20172643. In scientific notation, it is written as 2.0172642 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 64 positive divisors. There are 5135616 positive integers (up to 20172642) that are relatively prime to 20172642.
Interesting facts
- 20172642 has 64 divisors, whose sum is 51425280
- The reverse of 20172642 is 24627102
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty million one hundred seventy-two thousand six hundred forty-two |
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Notation
Scientific notation | 2.0172642 × 10^7 |
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Engineering notation | 2.0172642 × 10^6 |
Prime Factorization of 20172642
Prime Factorization 2 × 7 × 19 × 3 × 17 × 1487
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 20172642 | Product of the distinct prime numbers |
The prime factorization of 20172642 is 2 × 7 × 19 × 3 × 17 × 1487. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20172642)
Multiplication
n×yn×2 | 40345284 |
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n×3 | 60517926 |
n×4 | 80690568 |
n×5 | 100863210 |
Division
n÷yn÷2 | 10086321 |
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n÷3 | 6724214 |
n÷3 | 5043160.5 |
n÷5 | 4034528.4 |
Exponentiation
nyn2 | 406935485260164 |
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n3 | 8.2089638612496E+21 |
n4 | 1.6559648916393E+29 |
n5 | 3.3405186923607E+36 |
Nth Root
y√n2√n | 4491.3964420879 |
---|---|
3√n | 272.22056252093 |
4√n | 67.017881509996 |
5√n | 28.903641122877 |
Divisors of 20172642
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20172641 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20172642 can be divided by 64 positive divisors. The sum of these divisors (counting 20172642) is 1, the average is 0.015625.
Base conversion 20172642
Base | System | Value |
---|---|---|
2 | Binary | 1001100111100111101100010 |
3 | Ternary | 1101221212122220 |
4 | Quaternary | 1030330331202 |
5 | Quinary | 20131011032 |
6 | Senary | 2000211510 |
8 | Octal | 114747542 |
10 | Decimal | 20172642 |
12 | Duodecimal | 6909b96 |
16 | Hexadecimal | 133cf62 |
20 | Vigesimal | 661bc2 |
36 | Base36 | c0db6 |
Cryptographic Hash Functions
md5 | b2f4f332f941f631f8b2796a2cdbf1d2 |
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sha1 | 8019f05ac91a477a03e03338ae5314f11e397651 |
sha256 | 22428b20566e18c393c7069dee1bd7f78e464c9df4d0b81a5516e2a927842e9f |
sha512 | ad0e5bc19c49e9d93a133d7f96a6ee597124823693456c9bcd48a352b64fa809a8fa98854b7bcba5d6dd309b69eee9099b67b921afe596fde917933388f59248 |
ripemd-160 | 561640ea3f4c90159ad48a06c6d1021b7c1e30a4 |
20172642 as geometric shapes
Circle
Radius = nDiameter | 40345284 |
---|---|
Circumference | 126748447.82139 |
Area | 1.2784255309783E+15 |
Sphere
Radius = nVolume | 3.4385627413448E+22 |
---|---|
Surface area | 5.1137021239133E+15 |
Circumference | 126748447.82139 |
Square
Length = nPerimeter | 80690568 |
---|---|
Area | 406935485260164 |
Diagonal | 28528423.905297 |
Cube
Length = nSurface area | 2441612911560984 |
---|---|
Volume | 8.2089638612496E+21 |
Space diagonal | 34940040.866898 |
Equilateral Triangle
Length = nPerimeter | 60517926 |
---|---|
Area | 1.7620823396832E+14 |
Altitude | 17470020.433449 |
Triangular Pyramid
Length = nSurface area | 1.7620823396832E+14 |
---|---|
Volume | 9.6743566880081E+20 |
Height | 9509474.635099 |