20804784 (number)
20804784 is an even 8-digits composite number following 20804783 and preceding 20804785. In scientific notation, it is written as 2.0804784 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 4976640 positive integers (up to 20804784) that are relatively prime to 20804784.
Interesting facts
- 20804784 has 80 divisors, whose sum is 49725984
- The reverse of 20804784 is 48740802
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty million eight hundred four thousand seven hundred eighty-four |
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Notation
Scientific notation | 2.0804784 × 10^7 |
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Engineering notation | 2.0804784 × 10^6 |
Prime Factorization of 20804784
Prime Factorization 2 × 2 × 2 × 2 × 13 × 21 × 11 × 433
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2600598 | Product of the distinct prime numbers |
The prime factorization of 20804784 is 2 × 2 × 2 × 2 × 13 × 21 × 11 × 433. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20804784)
Multiplication
n×yn×2 | 41609568 |
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n×3 | 62414352 |
n×4 | 83219136 |
n×5 | 104023920 |
Division
n÷yn÷2 | 10402392 |
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n÷3 | 6934928 |
n÷3 | 5201196 |
n÷5 | 4160956.8 |
Exponentiation
nyn2 | 432839037286656 |
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n3 | 9.0051226775168E+21 |
n4 | 1.8734963219924E+29 |
n5 | 3.8977686303846E+36 |
Nth Root
y√n2√n | 4561.2261509379 |
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3√n | 275.03485618786 |
4√n | 67.536850318459 |
5√n | 29.082560635224 |
Divisors of 20804784
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20804783 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20804784 can be divided by 80 positive divisors. The sum of these divisors (counting 20804784) is 1, the average is 0.0125.
Base conversion 20804784
Base | System | Value |
---|---|---|
2 | Binary | 1001111010111010010110000 |
3 | Ternary | 1110010222210120 |
4 | Quaternary | 1033113102300 |
5 | Quinary | 20311223114 |
6 | Senary | 2021530240 |
8 | Octal | 117272260 |
10 | Decimal | 20804784 |
12 | Duodecimal | 6b73980 |
16 | Hexadecimal | 13d74b0 |
20 | Vigesimal | 6a0bj4 |
36 | Base36 | cdx2o |
Cryptographic Hash Functions
md5 | 05ce791ba40ef3d6b026b3a7ad8cbc1a |
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sha1 | 703ccb27d32a5f7171f5dce776f583e66def6a31 |
sha256 | 4abc583f087e97c79f5293b3d75ce856088e47e51281866061e1ba743d3094d2 |
sha512 | 42ef91b663a3952deda729636c6b01ba111fc0c5ad8795402a7ee5f6ffa5d1adfe4d35d18ef2b785701bb6a73f795da8efb79b2550893b18ef2945fe1468072a |
ripemd-160 | 19ea29449f29d765d54784dd1bc7a418e1f3c85c |
20804784 as geometric shapes
Circle
Radius = nDiameter | 41609568 |
---|---|
Circumference | 130720313.14784 |
Area | 1.3598039397266E+15 |
Sphere
Radius = nVolume | 3.7720569664482E+22 |
---|---|
Surface area | 5.4392157589065E+15 |
Circumference | 130720313.14784 |
Square
Length = nPerimeter | 83219136 |
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Area | 432839037286656 |
Diagonal | 29422407.695043 |
Cube
Length = nSurface area | 2597034223719936 |
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Volume | 9.0051226775168E+21 |
Space diagonal | 36034942.928496 |
Equilateral Triangle
Length = nPerimeter | 62414352 |
---|---|
Area | 1.8742480101992E+14 |
Altitude | 18017471.464248 |
Triangular Pyramid
Length = nSurface area | 1.8742480101992E+14 |
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Volume | 1.0612638851148E+21 |
Height | 9807469.2316809 |