20808732 (number)
20808732 is an even 8-digits composite number following 20808731 and preceding 20808733. In scientific notation, it is written as 2.0808732 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 72 positive divisors. There are 5800032 positive integers (up to 20808732) that are relatively prime to 20808732.
Interesting facts
- 20808732 has 72 divisors, whose sum is 57864576
- The reverse of 20808732 is 23780802
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty million eight hundred eight thousand seven hundred thirty-two |
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Notation
Scientific notation | 2.0808732 × 10^7 |
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Engineering notation | 2.0808732 × 10^6 |
Prime Factorization of 20808732
Prime Factorization 2 × 2 × 3 × 7 × 7 × 43 × 823
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 1486338 | Product of the distinct prime numbers |
The prime factorization of 20808732 is 2 × 2 × 3 × 7 × 7 × 43 × 823. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20808732)
Multiplication
n×yn×2 | 41617464 |
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n×3 | 62426196 |
n×4 | 83234928 |
n×5 | 104043660 |
Division
n÷yn÷2 | 10404366 |
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n÷3 | 6936244 |
n÷3 | 5202183 |
n÷5 | 4161746.4 |
Exponentiation
nyn2 | 433003327447824 |
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n3 | 9.01025019597E+21 |
n4 | 1.8749188158089E+29 |
n5 | 3.9014683159924E+36 |
Nth Root
y√n2√n | 4561.6589087743 |
---|---|
3√n | 275.05225232994 |
4√n | 67.540054106984 |
5√n | 29.08366431633 |
Divisors of 20808732
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 | -20808731 | 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 20808732 can be divided by 72 positive divisors. The sum of these divisors (counting 20808732) is 1, the average is 0.013888888888889.
Base conversion 20808732
Base | System | Value |
---|---|---|
2 | Binary | 1001111011000010000011100 |
3 | Ternary | 1110011012012210 |
4 | Quaternary | 1033120100130 |
5 | Quinary | 20311334412 |
6 | Senary | 2022000420 |
8 | Octal | 117302034 |
10 | Decimal | 20808732 |
12 | Duodecimal | 6b76110 |
16 | Hexadecimal | 13d841c |
20 | Vigesimal | 6a11gc |
36 | Base36 | ce04c |
Cryptographic Hash Functions
md5 | 976aac359069844b616c00adcee36af3 |
---|---|
sha1 | 0341c8f1e49e67d38702ea9abe94a2c836f1bb37 |
sha256 | 3f65e8002a0ad3a6dd8b4f1f73e7b038cc8162e8351d08b7c0305511e5e1bb4f |
sha512 | cb214eb1e0f72bfd9ec72154c11465b7bcc2818ffe0a72e12744119b0691fc9645cc407ef5319096312b26de7cfe9280e6638759ca966a67047fe43c2cec0cc2 |
ripemd-160 | 7e5aaf748c20137fbc78a88badde4b3534b06844 |
20808732 as geometric shapes
Circle
Radius = nDiameter | 41617464 |
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Circumference | 130745119.16344 |
Area | 1.36032007249E+15 |
Sphere
Radius = nVolume | 3.7742047763554E+22 |
---|---|
Surface area | 5.4412802899601E+15 |
Circumference | 130745119.16344 |
Square
Length = nPerimeter | 83234928 |
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Area | 433003327447824 |
Diagonal | 29427991.010187 |
Cube
Length = nSurface area | 2598019964686944 |
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Volume | 9.01025019597E+21 |
Space diagonal | 36041781.065084 |
Equilateral Triangle
Length = nPerimeter | 62426196 |
---|---|
Area | 1.874959407465E+14 |
Altitude | 18020890.532542 |
Triangular Pyramid
Length = nSurface area | 1.874959407465E+14 |
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Volume | 1.0618681689596E+21 |
Height | 9809330.336729 |