20809980 (number)
20809980 is an even 8-digits composite number following 20809979 and preceding 20809981. In scientific notation, it is written as 2.0809980 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 96 positive divisors. There are 5474304 positive integers (up to 20809980) that are relatively prime to 20809980.
Interesting facts
- 20809980 has 96 divisors, whose sum is 65620800
- The reverse of 20809980 is 08990802
- Previous prime number is 89
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty million eight hundred nine thousand nine hundred eighty |
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Notation
Scientific notation | 2.0809980 × 10^7 |
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Engineering notation | 2.0809980 × 10^6 |
Prime Factorization of 20809980
Prime Factorization 2 × 2 × 3 × 5 × 3 × 3 × 89 × 433
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1156110 | Product of the distinct prime numbers |
The prime factorization of 20809980 is 2 × 2 × 3 × 5 × 3 × 3 × 89 × 433. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20809980)
Multiplication
n×yn×2 | 41619960 |
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n×3 | 62429940 |
n×4 | 83239920 |
n×5 | 104049900 |
Division
n÷yn÷2 | 10404990 |
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n÷3 | 6936660 |
n÷3 | 5202495 |
n÷5 | 4161996 |
Exponentiation
nyn2 | 433055267600400 |
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n3 | 9.011871457659E+21 |
n4 | 1.8753686479645E+29 |
n5 | 3.9026384056769E+36 |
Nth Root
y√n2√n | 4561.7956990641 |
---|---|
3√n | 275.05775095665 |
4√n | 67.541066759892 |
5√n | 29.08401316548 |
Divisors of 20809980
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20809979 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20809980 can be divided by 96 positive divisors. The sum of these divisors (counting 20809980) is 1, the average is 0.010416666666667.
Base conversion 20809980
Base | System | Value |
---|---|---|
2 | Binary | 1001111011000100011111100 |
3 | Ternary | 1110011020221000 |
4 | Quaternary | 1033120203330 |
5 | Quinary | 20311404410 |
6 | Senary | 2022010300 |
8 | Octal | 117304374 |
10 | Decimal | 20809980 |
12 | Duodecimal | 6b76990 |
16 | Hexadecimal | 13d88fc |
20 | Vigesimal | 6a14j0 |
36 | Base36 | ce130 |
Cryptographic Hash Functions
md5 | c2079275dbf56a41886b086b9a679354 |
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sha1 | 17361d185a2904b6e9833a788fb47fbb1146a875 |
sha256 | a5ef0ba21821cb2f4448f8a4a01a69f6df5216185a377388ac0165a9983dbdc4 |
sha512 | 82406281540150bf632f5b67f42e58b7a4140e7a3d0bd6f8541a0a6e5e40429a78a520ef8a40a14404938715e438951625b8288f6b45a647b6d0bddb846e4f12 |
ripemd-160 | fd485f59eba3122b56088f93181a091811bcb0c0 |
20809980 as geometric shapes
Circle
Radius = nDiameter | 41619960 |
---|---|
Circumference | 130752960.5787 |
Area | 1.3604832472918E+15 |
Sphere
Radius = nVolume | 3.7748838888636E+22 |
---|---|
Surface area | 5.4419329891671E+15 |
Circumference | 130752960.5787 |
Square
Length = nPerimeter | 83239920 |
---|---|
Area | 433055267600400 |
Diagonal | 29429755.948713 |
Cube
Length = nSurface area | 2598331605602400 |
---|---|
Volume | 9.011871457659E+21 |
Space diagonal | 36043942.664492 |
Equilateral Triangle
Length = nPerimeter | 62429940 |
---|---|
Area | 1.8751843149231E+14 |
Altitude | 18021971.332246 |
Triangular Pyramid
Length = nSurface area | 1.8751843149231E+14 |
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Volume | 1.062059236482E+21 |
Height | 9809918.649571 |