20021904 (number)
20021904 is an even 8-digits composite number following 20021903 and preceding 20021905. In scientific notation, it is written as 2.0021904 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 80 positive divisors. There are 5717952 positive integers (up to 20021904) that are relatively prime to 20021904.
Interesting facts
- 20021904 has 80 divisors, whose sum is 61329408
- The reverse of 20021904 is 40912002
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty million twenty-one thousand nine hundred four |
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Notation
Scientific notation | 2.0021904 × 10^7 |
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Engineering notation | 2.0021904 × 10^6 |
Prime Factorization of 20021904
Prime Factorization 2 × 2 × 2 × 2 × 27 × 7 × 3 × 2207
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2502738 | Product of the distinct prime numbers |
The prime factorization of 20021904 is 2 × 2 × 2 × 2 × 27 × 7 × 3 × 2207. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20021904)
Multiplication
n×yn×2 | 40043808 |
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n×3 | 60065712 |
n×4 | 80087616 |
n×5 | 100109520 |
Division
n÷yn÷2 | 10010952 |
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n÷3 | 6673968 |
n÷3 | 5005476 |
n÷5 | 4004380.8 |
Exponentiation
nyn2 | 400876639785216 |
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n3 | 8.0263135976222E+21 |
n4 | 1.6070208032549E+29 |
n5 | 3.2175616248772E+36 |
Nth Root
y√n2√n | 4474.5842264952 |
---|---|
3√n | 271.54081984457 |
4√n | 66.892333092031 |
5√n | 28.860315530966 |
Divisors of 20021904
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 | -20021903 | 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 20021904 can be divided by 80 positive divisors. The sum of these divisors (counting 20021904) is 1, the average is 0.0125.
Base conversion 20021904
Base | System | Value |
---|---|---|
2 | Binary | 1001100011000001010010000 |
3 | Ternary | 1101200012220000 |
4 | Quaternary | 1030120022100 |
5 | Quinary | 20111200104 |
6 | Senary | 1553050000 |
8 | Octal | 114301220 |
10 | Decimal | 20021904 |
12 | Duodecimal | 6856900 |
16 | Hexadecimal | 1318290 |
20 | Vigesimal | 652ef4 |
36 | Base36 | bx500 |
Cryptographic Hash Functions
md5 | 3987e7244ff2b7cbed2ecc67581a4dc4 |
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sha1 | 9089e167f0872299265df83984963825e29addba |
sha256 | f12b7d993e74b932851d7fcceb1e0998207621d88f4b6a01cae342248485d39b |
sha512 | b8537894fab3f59740d60c2fd01d14757f74b3ae3f6be8675d0593736f89b9766532f1873a740e978cb57cd171d81ee0119e8e1b3b882dd4cc537830e6eccaf9 |
ripemd-160 | 2321891b5ceedcc150239de652e6b642d0621ab7 |
20021904 as geometric shapes
Circle
Radius = nDiameter | 40043808 |
---|---|
Circumference | 125801333.03456 |
Area | 1.259391106545E+15 |
Sphere
Radius = nVolume | 3.3620543778264E+22 |
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Surface area | 5.03756442618E+15 |
Circumference | 125801333.03456 |
Square
Length = nPerimeter | 80087616 |
---|---|
Area | 400876639785216 |
Diagonal | 28315248.181332 |
Cube
Length = nSurface area | 2405259838711296 |
---|---|
Volume | 8.0263135976222E+21 |
Space diagonal | 34678954.992267 |
Equilateral Triangle
Length = nPerimeter | 60065712 |
---|---|
Area | 1.7358467691887E+14 |
Altitude | 17339477.496133 |
Triangular Pyramid
Length = nSurface area | 1.7358467691887E+14 |
---|---|
Volume | 9.4591012880141E+20 |
Height | 9438416.060444 |