20385984 (number)
20385984 is an even 8-digits composite number following 20385983 and preceding 20385985. In scientific notation, it is written as 2.0385984 × 10^7. The sum of its digits is 39. It has a total of 9 prime factors and 56 positive divisors. There are 6713344 positive integers (up to 20385984) that are relatively prime to 20385984.
Interesting facts
- 20385984 has 56 divisors, whose sum is 54589680
- The reverse of 20385984 is 48958302
- Previous prime number is 89
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twenty million three hundred eighty-five thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.0385984 × 10^7 |
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Engineering notation | 2.0385984 × 10^6 |
Prime Factorization of 20385984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 89 × 1193
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 637062 | Product of the distinct prime numbers |
The prime factorization of 20385984 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 89 × 1193. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20385984)
Multiplication
n×yn×2 | 40771968 |
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n×3 | 61157952 |
n×4 | 81543936 |
n×5 | 101929920 |
Division
n÷yn÷2 | 10192992 |
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n÷3 | 6795328 |
n÷3 | 5096496 |
n÷5 | 4077196.8 |
Exponentiation
nyn2 | 415588343648256 |
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n3 | 8.4721773241998E+21 |
n4 | 1.727136713763E+29 |
n5 | 3.5209381412585E+36 |
Nth Root
y√n2√n | 4515.0840523738 |
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3√n | 273.17685008281 |
4√n | 67.194375154277 |
5√n | 28.964520002456 |
Divisors of 20385984
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20385983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20385984 can be divided by 56 positive divisors. The sum of these divisors (counting 20385984) is 1, the average is 0.017857142857143.
Base conversion 20385984
Base | System | Value |
---|---|---|
2 | Binary | 1001101110001000011000000 |
3 | Ternary | 1102100201022110 |
4 | Quaternary | 1031301003000 |
5 | Quinary | 20204322414 |
6 | Senary | 2004535320 |
8 | Octal | 115610300 |
10 | Decimal | 20385984 |
12 | Duodecimal | 69b1540 |
16 | Hexadecimal | 13710c0 |
20 | Vigesimal | 6784j4 |
36 | Base36 | c4xxc |
Cryptographic Hash Functions
md5 | b5e5190daae2aa9a2c4e4a4234c1479a |
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sha1 | 74d8264c2801b56a53faf516cddec15337349d5b |
sha256 | 7755fa230a8f3efd13db7ea165794fb42fba50ca5e248957a8c9afd6b924eac1 |
sha512 | 44c98829d21ff453131650b3d72295817e9a9c94a9b37ff3b720e7f92e73dedb726473e27439b00a22348e09ce7b28b039179bd4877bf481e7cd0a2654a61876 |
ripemd-160 | 1158bb4fed88c3f01a040fd7d59c696294d88bcb |
20385984 as geometric shapes
Circle
Radius = nDiameter | 40771968 |
---|---|
Circumference | 128088915.1412 |
Area | 1.3056092873229E+15 |
Sphere
Radius = nVolume | 3.5488173388822E+22 |
---|---|
Surface area | 5.2224371492916E+15 |
Circumference | 128088915.1412 |
Square
Length = nPerimeter | 81543936 |
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Area | 415588343648256 |
Diagonal | 28830135.055121 |
Cube
Length = nSurface area | 2493530061889536 |
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Volume | 8.4721773241998E+21 |
Space diagonal | 35309560.050286 |
Equilateral Triangle
Length = nPerimeter | 61157952 |
---|---|
Area | 1.7995503155804E+14 |
Altitude | 17654780.025143 |
Triangular Pyramid
Length = nSurface area | 1.7995503155804E+14 |
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Volume | 9.9845567289277E+20 |
Height | 9610045.0183736 |