20949984 (number)
20949984 is an even 8-digits composite number following 20949983 and preceding 20949985. In scientific notation, it is written as 2.0949984 × 10^7. The sum of its digits is 45. It has a total of 9 prime factors and 96 positive divisors. There are 5959680 positive integers (up to 20949984) that are relatively prime to 20949984.
Interesting facts
- 20949984 has 96 divisors, whose sum is 53071200
- The reverse of 20949984 is 48994902
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | twenty million nine hundred forty-nine thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.0949984 × 10^7 |
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Engineering notation | 2.0949984 × 10^6 |
Prime Factorization of 20949984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 11 × 17 × 389
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 1309374 | Product of the distinct prime numbers |
The prime factorization of 20949984 is 2 × 2 × 2 × 2 × 2 × 9 × 11 × 17 × 389. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20949984)
Multiplication
n×yn×2 | 41899968 |
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n×3 | 62849952 |
n×4 | 83799936 |
n×5 | 104749920 |
Division
n÷yn÷2 | 10474992 |
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n÷3 | 6983328 |
n÷3 | 5237496 |
n÷5 | 4189996.8 |
Exponentiation
nyn2 | 438901829600256 |
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n3 | 9.1949863076961E+21 |
n4 | 1.9263481602645E+29 |
n5 | 4.0356963135971E+36 |
Nth Root
y√n2√n | 4577.1152487129 |
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3√n | 275.67321121273 |
4√n | 67.654380853814 |
5√n | 29.123042173678 |
Divisors of 20949984
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 | -20949983 | 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 20949984 can be divided by 96 positive divisors. The sum of these divisors (counting 20949984) is 1, the average is 0.010416666666667.
Base conversion 20949984
Base | System | Value |
---|---|---|
2 | Binary | 1001111111010101111100000 |
3 | Ternary | 1110102100222100 |
4 | Quaternary | 1033322233200 |
5 | Quinary | 20330344414 |
6 | Senary | 2025010400 |
8 | Octal | 117725740 |
10 | Decimal | 20949984 |
12 | Duodecimal | 7023a00 |
16 | Hexadecimal | 13fabe0 |
20 | Vigesimal | 6aiej4 |
36 | Base36 | ch140 |
Cryptographic Hash Functions
md5 | ca6f498712eb73aa9b7d693ab38b8c03 |
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sha1 | d18f7d2e7bd1ba7ed6a903bcee9f46b30e8b52c5 |
sha256 | d7ec60afacb7f1cc0a96378c3442715437c0defce1418667d8fb029e8a776cf6 |
sha512 | 439002c5637031599b361fd3b36bfe046b1eb8787a7fee818d213073ac060f51b6f9a3dbe6186876101c42258e58084885c45a670ce42597aa46ea71e05e79da |
ripemd-160 | 65c088cdb41aac365af386ab1bf7a1c757d2a5ab |
20949984 as geometric shapes
Circle
Radius = nDiameter | 41899968 |
---|---|
Circumference | 131632631.65445 |
Area | 1.3788507635193E+15 |
Sphere
Radius = nVolume | 3.8515868578822E+22 |
---|---|
Surface area | 5.5154030540771E+15 |
Circumference | 131632631.65445 |
Square
Length = nPerimeter | 83799936 |
---|---|
Area | 438901829600256 |
Diagonal | 29627751.504299 |
Cube
Length = nSurface area | 2633410977601536 |
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Volume | 9.1949863076961E+21 |
Space diagonal | 36286436.705755 |
Equilateral Triangle
Length = nPerimeter | 62849952 |
---|---|
Area | 1.9005006710065E+14 |
Altitude | 18143218.352878 |
Triangular Pyramid
Length = nSurface area | 1.9005006710065E+14 |
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Volume | 1.0836395285149E+21 |
Height | 9875917.1680998 |