20681520 (number)
20681520 is an even 8-digits composite number following 20681519 and preceding 20681521. In scientific notation, it is written as 2.0681520 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 80 positive divisors. There are 5013504 positive integers (up to 20681520) that are relatively prime to 20681520.
Interesting facts
- 20681520 has 80 divisors, whose sum is 58183776
- The reverse of 20681520 is 02518602
- Previous prime number is 685
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty million six hundred eighty-one thousand five hundred twenty |
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Notation
Scientific notation | 2.0681520 × 10^7 |
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Engineering notation | 2.0681520 × 10^6 |
Prime Factorization of 20681520
Prime Factorization 2 × 2 × 2 × 2 × 17 × 3 × 685 × 37
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2585190 | Product of the distinct prime numbers |
The prime factorization of 20681520 is 2 × 2 × 2 × 2 × 17 × 3 × 685 × 37. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20681520)
Multiplication
n×yn×2 | 41363040 |
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n×3 | 62044560 |
n×4 | 82726080 |
n×5 | 103407600 |
Division
n÷yn÷2 | 10340760 |
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n÷3 | 6893840 |
n÷3 | 5170380 |
n÷5 | 4136304 |
Exponentiation
nyn2 | 427725269510400 |
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n3 | 8.8460087158847E+21 |
n4 | 1.8294890617774E+29 |
n5 | 3.7836614620931E+36 |
Nth Root
y√n2√n | 4547.6939210989 |
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3√n | 274.49060521727 |
4√n | 67.436591855601 |
5√n | 29.048017052984 |
Divisors of 20681520
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20681519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20681520 can be divided by 80 positive divisors. The sum of these divisors (counting 20681520) is 1, the average is 0.0125.
Base conversion 20681520
Base | System | Value |
---|---|---|
2 | Binary | 1001110111001001100110000 |
3 | Ternary | 1102220201201020 |
4 | Quaternary | 1032321030300 |
5 | Quinary | 20243302040 |
6 | Senary | 2015135440 |
8 | Octal | 116711460 |
10 | Decimal | 20681520 |
12 | Duodecimal | 6b14580 |
16 | Hexadecimal | 13b9330 |
20 | Vigesimal | 6953g0 |
36 | Base36 | cb9yo |
Cryptographic Hash Functions
md5 | 27dd29239bd5b81fde368bef6a4a63bf |
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sha1 | f7b9095b1340c88a1ef46164e3885aaead53252f |
sha256 | 697fa4f830d98c562b0657b3d14fd42c17d939b680cc2509fcd853507c135165 |
sha512 | 86e434cdf26a7a8a369bb14cbecf2675ba648046c78a8b5aaa244ab6d3b83739a6fbaf34cf449469cb73cc9c63ec4de6aa617f5b2e675dd6fee464aa96ef444a |
ripemd-160 | b597da06093f313d4abe4a086861549f65755abd |
20681520 as geometric shapes
Circle
Radius = nDiameter | 41363040 |
---|---|
Circumference | 129945822.59414 |
Area | 1.3437385644486E+15 |
Sphere
Radius = nVolume | 3.7054074660553E+22 |
---|---|
Surface area | 5.3749542577943E+15 |
Circumference | 129945822.59414 |
Square
Length = nPerimeter | 82726080 |
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Area | 427725269510400 |
Diagonal | 29248086.07449 |
Cube
Length = nSurface area | 2566351617062400 |
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Volume | 8.8460087158847E+21 |
Space diagonal | 35821443.417752 |
Equilateral Triangle
Length = nPerimeter | 62044560 |
---|---|
Area | 1.8521047461828E+14 |
Altitude | 17910721.708876 |
Triangular Pyramid
Length = nSurface area | 1.8521047461828E+14 |
---|---|
Volume | 1.0425121249062E+21 |
Height | 9749362.0248301 |