20405220 (number)
20405220 is an even 8-digits composite number following 20405219 and preceding 20405221. In scientific notation, it is written as 2.0405220 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 48 positive divisors. There are 4824960 positive integers (up to 20405220) that are relatively prime to 20405220.
Interesting facts
- 20405220 has 48 divisors, whose sum is 42577920
- The reverse of 20405220 is 02250402
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 15
- Digital Root 6
Name
Name | twenty million four hundred five thousand two hundred twenty |
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Notation
Scientific notation | 2.0405220 × 10^7 |
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Engineering notation | 2.0405220 × 10^6 |
Prime Factorization of 20405220
Prime Factorization 2 × 2 × 15 × 43 × 11 × 719
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10202610 | Product of the distinct prime numbers |
The prime factorization of 20405220 is 2 × 2 × 15 × 43 × 11 × 719. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20405220)
Multiplication
n×yn×2 | 40810440 |
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n×3 | 61215660 |
n×4 | 81620880 |
n×5 | 102026100 |
Division
n÷yn÷2 | 10202610 |
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n÷3 | 6801740 |
n÷3 | 5101305 |
n÷5 | 4081044 |
Exponentiation
nyn2 | 416373003248400 |
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n3 | 8.4961827333443E+21 |
n4 | 1.7336647783409E+29 |
n5 | 3.5375811208298E+36 |
Nth Root
y√n2√n | 4517.2137430057 |
---|---|
3√n | 273.26274533897 |
4√n | 67.2102205249 |
5√n | 28.969984063774 |
Divisors of 20405220
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 | -20405219 | 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 20405220 can be divided by 48 positive divisors. The sum of these divisors (counting 20405220) is 1, the average is 0.020833333333333.
Base conversion 20405220
Base | System | Value |
---|---|---|
2 | Binary | 1001101110101101111100100 |
3 | Ternary | 1102101200200220 |
4 | Quaternary | 1031311233210 |
5 | Quinary | 20210431340 |
6 | Senary | 2005204340 |
8 | Octal | 115655744 |
10 | Decimal | 20405220 |
12 | Duodecimal | 6a006b0 |
16 | Hexadecimal | 1375be4 |
20 | Vigesimal | 67ad10 |
36 | Base36 | c5cro |
Cryptographic Hash Functions
md5 | 46a1f135a2017691705ce44aa035ae8d |
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sha1 | cb86c58c18f48ea2aff352aa2857b5cc1a3eb991 |
sha256 | 794c1e1f68c75121b2e418c3bbede1c4a51b80b1617acf2c37eac17d547462fe |
sha512 | 53bac072fcec3ee7bf3335606d30d7be664b0b03b8f3ec0742790b6bc634c45dc3d5408055dd2f179451f676617b2174ceafeecdeaba79e90236dcaea3661966 |
ripemd-160 | c93ab31f219f325f9f94317d2b61286c1bde8fb2 |
20405220 as geometric shapes
Circle
Radius = nDiameter | 40810440 |
---|---|
Circumference | 128209778.49377 |
Area | 1.3080743681583E+15 |
Sphere
Radius = nVolume | 3.5588727011508E+22 |
---|---|
Surface area | 5.2322974726332E+15 |
Circumference | 128209778.49377 |
Square
Length = nPerimeter | 81620880 |
---|---|
Area | 416373003248400 |
Diagonal | 28857338.867207 |
Cube
Length = nSurface area | 2498238019490400 |
---|---|
Volume | 8.4961827333443E+21 |
Space diagonal | 35342877.779621 |
Equilateral Triangle
Length = nPerimeter | 61215660 |
---|---|
Area | 1.8029479913157E+14 |
Altitude | 17671438.88981 |
Triangular Pyramid
Length = nSurface area | 1.8029479913157E+14 |
---|---|
Volume | 1.0012847374913E+21 |
Height | 9619112.9557356 |