20809040 (number)
20809040 is an even 8-digits composite number following 20809039 and preceding 20809041. In scientific notation, it is written as 2.0809040 × 10^7. The sum of its digits is 23. It has a total of 7 prime factors and 40 positive divisors. There are 7134336 positive integers (up to 20809040) that are relatively prime to 20809040.
Interesting facts
- 20809040 has 40 divisors, whose sum is 55294080
- The reverse of 20809040 is 04090802
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 23
- Digital Root 5
Name
Name | twenty million eight hundred nine thousand forty |
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Notation
Scientific notation | 2.0809040 × 10^7 |
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Engineering notation | 2.0809040 × 10^6 |
Prime Factorization of 20809040
Prime Factorization 2 × 2 × 2 × 2 × 7 × 5 × 37159
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2601130 | Product of the distinct prime numbers |
The prime factorization of 20809040 is 2 × 2 × 2 × 2 × 7 × 5 × 37159. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20809040)
Multiplication
n×yn×2 | 41618080 |
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n×3 | 62427120 |
n×4 | 83236160 |
n×5 | 104045200 |
Division
n÷yn÷2 | 10404520 |
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n÷3 | 6936346.6666667 |
n÷3 | 5202260 |
n÷5 | 4161808 |
Exponentiation
nyn2 | 433016145721600 |
---|---|
n3 | 9.0106502969666E+21 |
n4 | 1.8750298245559E+29 |
n5 | 3.9017570620377E+36 |
Nth Root
y√n2√n | 4561.6926682976 |
---|---|
3√n | 275.05360938325 |
4√n | 67.540304028762 |
5√n | 29.083750412067 |
Divisors of 20809040
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20809039 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20809040 can be divided by 40 positive divisors. The sum of these divisors (counting 20809040) is 1, the average is 0.025.
Base conversion 20809040
Base | System | Value |
---|---|---|
2 | Binary | 1001111011000010101010000 |
3 | Ternary | 1110011012122012 |
4 | Quaternary | 1033120111100 |
5 | Quinary | 20311342130 |
6 | Senary | 2022002052 |
8 | Octal | 117302520 |
10 | Decimal | 20809040 |
12 | Duodecimal | 6b76328 |
16 | Hexadecimal | 13d8550 |
20 | Vigesimal | 6a12c0 |
36 | Base36 | ce0cw |
Cryptographic Hash Functions
md5 | b9cdc47c4cd2956035915832e7d8840d |
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sha1 | 7c3de1d0c3746d40578288d8bf2b82b4d2c88025 |
sha256 | fc50d0aaac4dec559880cb4ef038a0a2550e2b4a49c79fbbd704b128463d3eb9 |
sha512 | cdd961f9dc39882dc379356cb8771a169f2142590a24deab865e95b06a0785613eabab7ea5f47d25180829fa09b032f26b1f9ce24bca080957afef86cace0eee |
ripemd-160 | 62f0f8c48a6fd9bba3dceff073ce71d9a4e83376 |
20809040 as geometric shapes
Circle
Radius = nDiameter | 41618080 |
---|---|
Circumference | 130747054.38451 |
Area | 1.3603603422847E+15 |
Sphere
Radius = nVolume | 3.7743723702689E+22 |
---|---|
Surface area | 5.441441369139E+15 |
Circumference | 130747054.38451 |
Square
Length = nPerimeter | 83236160 |
---|---|
Area | 433016145721600 |
Diagonal | 29428426.587964 |
Cube
Length = nSurface area | 2598096874329600 |
---|---|
Volume | 9.0106502969666E+21 |
Space diagonal | 36042314.536733 |
Equilateral Triangle
Length = nPerimeter | 62427120 |
---|---|
Area | 1.8750149122186E+14 |
Altitude | 18021157.268367 |
Triangular Pyramid
Length = nSurface area | 1.8750149122186E+14 |
---|---|
Volume | 1.0619153213143E+21 |
Height | 9809475.5293214 |