20508768 (number)
20508768 is an even 8-digits composite number following 20508767 and preceding 20508769. In scientific notation, it is written as 2.0508768 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 72 positive divisors. There are 5857920 positive integers (up to 20508768) that are relatively prime to 20508768.
Interesting facts
- 20508768 has 72 divisors, whose sum is 61117056
- The reverse of 20508768 is 86780502
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty million five hundred eight thousand seven hundred sixty-eight |
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Notation
Scientific notation | 2.0508768 × 10^7 |
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Engineering notation | 2.0508768 × 10^6 |
Prime Factorization of 20508768
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 21 × 3 × 3391
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 427266 | Product of the distinct prime numbers |
The prime factorization of 20508768 is 2 × 2 × 2 × 2 × 2 × 3 × 21 × 3 × 3391. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20508768)
Multiplication
n×yn×2 | 41017536 |
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n×3 | 61526304 |
n×4 | 82035072 |
n×5 | 102543840 |
Division
n÷yn÷2 | 10254384 |
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n÷3 | 6836256 |
n÷3 | 5127192 |
n÷5 | 4101753.6 |
Exponentiation
nyn2 | 420609564877824 |
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n3 | 8.6261839846602E+21 |
n4 | 1.7691240606671E+29 |
n5 | 3.628255492344E+36 |
Nth Root
y√n2√n | 4528.6607291781 |
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3√n | 273.72419723022 |
4√n | 67.295324720058 |
5√n | 28.999326686122 |
Divisors of 20508768
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20508767 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20508768 can be divided by 72 positive divisors. The sum of these divisors (counting 20508768) is 1, the average is 0.013888888888889.
Base conversion 20508768
Base | System | Value |
---|---|---|
2 | Binary | 1001110001111000001100000 |
3 | Ternary | 1102120221202000 |
4 | Quaternary | 1032033001200 |
5 | Quinary | 20222240033 |
6 | Senary | 2011324000 |
8 | Octal | 116170140 |
10 | Decimal | 20508768 |
12 | Duodecimal | 6a50600 |
16 | Hexadecimal | 138f060 |
20 | Vigesimal | 683bi8 |
36 | Base36 | c7ko0 |
Cryptographic Hash Functions
md5 | 02ee2091efaacc214b22f95202b900bb |
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sha1 | d62f2eb5088eeb45d8fe8232bb621c2b19844800 |
sha256 | ff2b670839b995fd91a3f123e9cbd08eabc2faeeb413ff13bcbec50409e549b4 |
sha512 | efa37e3b331db8bcc1a7a6d07f16ee6cf2fe699d5e57a160c7139bb566319ded08a4ee5793781070160535abbfc97e4b70485982f66eceb0399f609bd0897bfd |
ripemd-160 | a62bb4128581f100821d0007caa5d920dbf34809 |
20508768 as geometric shapes
Circle
Radius = nDiameter | 41017536 |
---|---|
Circumference | 128860389.76595 |
Area | 1.3213839190498E+15 |
Sphere
Radius = nVolume | 3.613327497963E+22 |
---|---|
Surface area | 5.2855356761991E+15 |
Circumference | 128860389.76595 |
Square
Length = nPerimeter | 82035072 |
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Area | 420609564877824 |
Diagonal | 29003777.853163 |
Cube
Length = nSurface area | 2523657389266944 |
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Volume | 8.6261839846602E+21 |
Space diagonal | 35522228.176643 |
Equilateral Triangle
Length = nPerimeter | 61526304 |
---|---|
Area | 1.8212928412946E+14 |
Altitude | 17761114.088321 |
Triangular Pyramid
Length = nSurface area | 1.8212928412946E+14 |
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Volume | 1.016605531886E+21 |
Height | 9667925.9510544 |