20684808 (number)
20684808 is an even 8-digits composite number following 20684807 and preceding 20684809. In scientific notation, it is written as 2.0684808 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 48 positive divisors. There are 6815232 positive integers (up to 20684808) that are relatively prime to 20684808.
Interesting facts
- 20684808 has 48 divisors, whose sum is 44078580
- The reverse of 20684808 is 80848602
- Previous prime number is 233
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty million six hundred eighty-four thousand eight hundred eight |
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Notation
Scientific notation | 2.0684808 × 10^7 |
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Engineering notation | 2.0684808 × 10^6 |
Prime Factorization of 20684808
Prime Factorization 2 × 2 × 2 × 9 × 9 × 233 × 137
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 574578 | Product of the distinct prime numbers |
The prime factorization of 20684808 is 2 × 2 × 2 × 9 × 9 × 233 × 137. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20684808)
Multiplication
n×yn×2 | 41369616 |
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n×3 | 62054424 |
n×4 | 82739232 |
n×5 | 103424040 |
Division
n÷yn÷2 | 10342404 |
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n÷3 | 6894936 |
n÷3 | 5171202 |
n÷5 | 4136961.6 |
Exponentiation
nyn2 | 427861281996864 |
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n3 | 8.850228468739E+21 |
n4 | 1.83065276632E+29 |
n5 | 3.7866700985998E+36 |
Nth Root
y√n2√n | 4548.0554086335 |
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3√n | 274.50515084843 |
4√n | 67.439272005512 |
5√n | 29.048940619597 |
Divisors of 20684808
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20684807 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20684808 can be divided by 48 positive divisors. The sum of these divisors (counting 20684808) is 1, the average is 0.020833333333333.
Base conversion 20684808
Base | System | Value |
---|---|---|
2 | Binary | 1001110111010000000001000 |
3 | Ternary | 1102220220020000 |
4 | Quaternary | 1032322000020 |
5 | Quinary | 20243403213 |
6 | Senary | 2015203000 |
8 | Octal | 116720010 |
10 | Decimal | 20684808 |
12 | Duodecimal | 6b16460 |
16 | Hexadecimal | 13ba008 |
20 | Vigesimal | 695c08 |
36 | Base36 | cbci0 |
Cryptographic Hash Functions
md5 | 1970d53484fa71fee0fcf7163c1a5db1 |
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sha1 | 1508d8104dda8ed6d370428e251da6a70d28990b |
sha256 | dda5d805b23f7f12a98c3c503f0176dc0dbe8fea817c1e12c44a16ed5f6d229f |
sha512 | 6980a139dfb64d9376618c4fad28819047867490524402b00f30ea18b88032ee840d2e0021e9c21087d6520a0cb0bb173fbf75675796f916787238bd0eff8407 |
ripemd-160 | 39f764a4acec6b3084ec9502559442fdadc46b2f |
20684808 as geometric shapes
Circle
Radius = nDiameter | 41369616 |
---|---|
Circumference | 129966481.70743 |
Area | 1.3441658602769E+15 |
Sphere
Radius = nVolume | 3.7071750319976E+22 |
---|---|
Surface area | 5.3766634411074E+15 |
Circumference | 129966481.70743 |
Square
Length = nPerimeter | 82739232 |
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Area | 427861281996864 |
Diagonal | 29252736.008683 |
Cube
Length = nSurface area | 2567167691981184 |
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Volume | 8.850228468739E+21 |
Space diagonal | 35827138.400807 |
Equilateral Triangle
Length = nPerimeter | 62054424 |
---|---|
Area | 1.8526936975253E+14 |
Altitude | 17913569.200404 |
Triangular Pyramid
Length = nSurface area | 1.8526936975253E+14 |
---|---|
Volume | 1.0430094275493E+21 |
Height | 9750912.0028945 |