20408904 (number)
20408904 is an even 8-digits composite number following 20408903 and preceding 20408905. In scientific notation, it is written as 2.0408904 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 6438528 positive integers (up to 20408904) that are relatively prime to 20408904.
Interesting facts
- 20408904 has 64 divisors, whose sum is 44870400
- The reverse of 20408904 is 40980402
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty million four hundred eight thousand nine hundred four |
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Notation
Scientific notation | 2.0408904 × 10^7 |
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Engineering notation | 2.0408904 × 10^6 |
Prime Factorization of 20408904
Prime Factorization 2 × 2 × 2 × 9 × 37 × 47 × 163
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5102226 | Product of the distinct prime numbers |
The prime factorization of 20408904 is 2 × 2 × 2 × 9 × 37 × 47 × 163. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20408904)
Multiplication
n×yn×2 | 40817808 |
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n×3 | 61226712 |
n×4 | 81635616 |
n×5 | 102044520 |
Division
n÷yn÷2 | 10204452 |
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n÷3 | 6802968 |
n÷3 | 5102226 |
n÷5 | 4081780.8 |
Exponentiation
nyn2 | 416523362481216 |
---|---|
n3 | 8.5007853186363E+21 |
n4 | 1.7349171149266E+29 |
n5 | 3.5407756846494E+36 |
Nth Root
y√n2√n | 4517.6214980895 |
---|---|
3√n | 273.27918948702 |
4√n | 67.213253887083 |
5√n | 28.971030048231 |
Divisors of 20408904
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 | -20408903 | 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 20408904 can be divided by 64 positive divisors. The sum of these divisors (counting 20408904) is 1, the average is 0.015625.
Base conversion 20408904
Base | System | Value |
---|---|---|
2 | Binary | 1001101110110101001001000 |
3 | Ternary | 1102101212202100 |
4 | Quaternary | 1031312221020 |
5 | Quinary | 20211041104 |
6 | Senary | 2005233400 |
8 | Octal | 115665110 |
10 | Decimal | 20408904 |
12 | Duodecimal | 6a02860 |
16 | Hexadecimal | 1376a48 |
20 | Vigesimal | 67b254 |
36 | Base36 | c5fm0 |
Cryptographic Hash Functions
md5 | 0cfe4ce278f9c5d09f67cc02851a3778 |
---|---|
sha1 | 2bd01b417871b5937e2ba12993dd6a0f345c1c6a |
sha256 | 90f08f6ac8f626184159faf2b25b5a2a25c7e518ee568b2ea606c1ee6f0988bc |
sha512 | 5d2bb9552dee608d5ac26e3e09fdf4df04103f4aeabb6cbd2cd0ef6904be25c1e38f637c2ec336696d87a2e74c0ee79ef3b930473c51c822eada5513f18dcd7b |
ripemd-160 | 96633927cc0f9ac8e933203312b3892b5ee6cdc3 |
20408904 as geometric shapes
Circle
Radius = nDiameter | 40817808 |
---|---|
Circumference | 128232925.74844 |
Area | 1.3085467356195E+15 |
Sphere
Radius = nVolume | 3.5608006275696E+22 |
---|---|
Surface area | 5.234186942478E+15 |
Circumference | 128232925.74844 |
Square
Length = nPerimeter | 81635616 |
---|---|
Area | 416523362481216 |
Diagonal | 28862548.829971 |
Cube
Length = nSurface area | 2499140174887296 |
---|---|
Volume | 8.5007853186363E+21 |
Space diagonal | 35349258.654796 |
Equilateral Triangle
Length = nPerimeter | 61226712 |
---|---|
Area | 1.8035990658922E+14 |
Altitude | 17674629.327398 |
Triangular Pyramid
Length = nSurface area | 1.8035990658922E+14 |
---|---|
Volume | 1.0018271573698E+21 |
Height | 9620849.6099902 |