21082020 (number)
21082020 is an even 8-digits composite number following 21082019 and preceding 21082021. In scientific notation, it is written as 2.1082020 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 48 positive divisors. There are 5325696 positive integers (up to 21082020) that are relatively prime to 21082020.
Interesting facts
- 21082020 has 48 divisors, whose sum is 62139840
- The reverse of 21082020 is 02028012
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 15
- Digital Root 6
Name
Name | twenty-one million eighty-two thousand twenty |
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Notation
Scientific notation | 2.1082020 × 10^7 |
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Engineering notation | 2.1082020 × 10^6 |
Prime Factorization of 21082020
Prime Factorization 2 × 2 × 3 × 5 × 19 × 18493
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10541010 | Product of the distinct prime numbers |
The prime factorization of 21082020 is 2 × 2 × 3 × 5 × 19 × 18493. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21082020)
Multiplication
n×yn×2 | 42164040 |
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n×3 | 63246060 |
n×4 | 84328080 |
n×5 | 105410100 |
Division
n÷yn÷2 | 10541010 |
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n÷3 | 7027340 |
n÷3 | 5270505 |
n÷5 | 4216404 |
Exponentiation
nyn2 | 444451567280400 |
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n3 | 9.3699368304367E+21 |
n4 | 1.97537195658E+29 |
n5 | 4.164483109606E+36 |
Nth Root
y√n2√n | 4591.516089485 |
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3√n | 276.25113667694 |
4√n | 67.760726748501 |
5√n | 29.159659219401 |
Divisors of 21082020
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 | -21082019 | 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 21082020 can be divided by 48 positive divisors. The sum of these divisors (counting 21082020) is 1, the average is 0.020833333333333.
Base conversion 21082020
Base | System | Value |
---|---|---|
2 | Binary | 1010000011010111110100100 |
3 | Ternary | 1110200002002120 |
4 | Quaternary | 1100122332210 |
5 | Quinary | 20344111040 |
6 | Senary | 2031505540 |
8 | Octal | 120327644 |
10 | Decimal | 21082020 |
12 | Duodecimal | 70882b0 |
16 | Hexadecimal | 141afa4 |
20 | Vigesimal | 6bf510 |
36 | Base36 | cjuzo |
Cryptographic Hash Functions
md5 | 417a7f447905488fa00047515005f217 |
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sha1 | 6c83824ecd345e3bdbe8110bd5489114a9a0a139 |
sha256 | e5d347dbabeedd3c532fc91e042118c159eeb864e66b6ecbfadfa64bfb19f5ca |
sha512 | f3249d85a62c6a168dbc486ee173ead867064e37ca329027727d9c1ce0469b179b33ffc132d7acc3b0c31be34249758f41d350153c7ed3d7a0cb8a245896b942 |
ripemd-160 | 032481f5d1e05fe44f167a63070101d141495150 |
21082020 as geometric shapes
Circle
Radius = nDiameter | 42164040 |
---|---|
Circumference | 132462238.30967 |
Area | 1.3962857786446E+15 |
Sphere
Radius = nVolume | 3.9248699614801E+22 |
---|---|
Surface area | 5.5851431145783E+15 |
Circumference | 132462238.30967 |
Square
Length = nPerimeter | 84328080 |
---|---|
Area | 444451567280400 |
Diagonal | 29814478.606221 |
Cube
Length = nSurface area | 2666709403682400 |
---|---|
Volume | 9.3699368304367E+21 |
Space diagonal | 36515129.766183 |
Equilateral Triangle
Length = nPerimeter | 63246060 |
---|---|
Area | 1.9245317400832E+14 |
Altitude | 18257564.883092 |
Triangular Pyramid
Length = nSurface area | 1.9245317400832E+14 |
---|---|
Volume | 1.1042576453486E+21 |
Height | 9938159.5354069 |