20509920 (number)
20509920 is an even 8-digits composite number following 20509919 and preceding 20509921. In scientific notation, it is written as 2.0509920 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 72 positive divisors. There are 5468928 positive integers (up to 20509920) that are relatively prime to 20509920.
Interesting facts
- 20509920 has 72 divisors, whose sum is 69995016
- The reverse of 20509920 is 02990502
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty million five hundred nine thousand nine hundred twenty |
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Notation
Scientific notation | 2.0509920 × 10^7 |
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Engineering notation | 2.0509920 × 10^6 |
Prime Factorization of 20509920
Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 3 × 3 × 14243
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 427290 | Product of the distinct prime numbers |
The prime factorization of 20509920 is 2 × 2 × 2 × 2 × 2 × 5 × 3 × 3 × 14243. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20509920)
Multiplication
n×yn×2 | 41019840 |
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n×3 | 61529760 |
n×4 | 82039680 |
n×5 | 102549600 |
Division
n÷yn÷2 | 10254960 |
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n÷3 | 6836640 |
n÷3 | 5127480 |
n÷5 | 4101984 |
Exponentiation
nyn2 | 420656818406400 |
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n3 | 8.6276376929698E+21 |
n4 | 1.7695215887179E+29 |
n5 | 3.6292746222878E+36 |
Nth Root
y√n2√n | 4528.787917313 |
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3√n | 273.72932226375 |
4√n | 67.296269713209 |
5√n | 28.999652463602 |
Divisors of 20509920
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20509919 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20509920 can be divided by 72 positive divisors. The sum of these divisors (counting 20509920) is 1, the average is 0.013888888888889.
Base conversion 20509920
Base | System | Value |
---|---|---|
2 | Binary | 1001110001111010011100000 |
3 | Ternary | 1102121000022200 |
4 | Quaternary | 1032033103200 |
5 | Quinary | 20222304140 |
6 | Senary | 2011333200 |
8 | Octal | 116172340 |
10 | Decimal | 20509920 |
12 | Duodecimal | 6a51200 |
16 | Hexadecimal | 138f4e0 |
20 | Vigesimal | 683eg0 |
36 | Base36 | c7lk0 |
Cryptographic Hash Functions
md5 | 729e602d2b311edfd8b1d5afac83f2dd |
---|---|
sha1 | 397871708d6d272022df36ac19ccef14c674a47c |
sha256 | 25ff535e9083f634375a651c7a9ccefdd5a6bd030726396efe083b4e6924e29b |
sha512 | fef419ff92d88354d9ae18afbab22f90f893086bcbe97723432b1c90036c22333666fa18f38cb800bc2709a9ca0dce9e793bea2451f5707060f961a361b0dc7a |
ripemd-160 | bf9458faf2066e56d7834c95d960296f4e4f3339 |
20509920 as geometric shapes
Circle
Radius = nDiameter | 41019840 |
---|---|
Circumference | 128867627.99543 |
Area | 1.321532370388E+15 |
Sphere
Radius = nVolume | 3.6139364258758E+22 |
---|---|
Surface area | 5.286129481552E+15 |
Circumference | 128867627.99543 |
Square
Length = nPerimeter | 82039680 |
---|---|
Area | 420656818406400 |
Diagonal | 29005407.027187 |
Cube
Length = nSurface area | 2523940910438400 |
---|---|
Volume | 8.6276376929698E+21 |
Space diagonal | 35524223.499173 |
Equilateral Triangle
Length = nPerimeter | 61529760 |
---|---|
Area | 1.8214974550754E+14 |
Altitude | 17762111.749587 |
Triangular Pyramid
Length = nSurface area | 1.8214974550754E+14 |
---|---|
Volume | 1.0167768530533E+21 |
Height | 9668469.0090624 |