20131830 (number)
20131830 is an even 8-digits composite number following 20131829 and preceding 20131831. In scientific notation, it is written as 2.0131830 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 64 positive divisors. There are 4976640 positive integers (up to 20131830) that are relatively prime to 20131830.
Interesting facts
- 20131830 has 64 divisors, whose sum is 43300800
- The reverse of 20131830 is 03813102
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty million one hundred thirty-one thousand eight hundred thirty |
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Notation
Scientific notation | 2.0131830 × 10^7 |
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Engineering notation | 2.0131830 × 10^6 |
Prime Factorization of 20131830
Prime Factorization 2 × 9 × 5 × 19 × 61 × 193
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 20131830 | Product of the distinct prime numbers |
The prime factorization of 20131830 is 2 × 9 × 5 × 19 × 61 × 193. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20131830)
Multiplication
n×yn×2 | 40263660 |
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n×3 | 60395490 |
n×4 | 80527320 |
n×5 | 100659150 |
Division
n÷yn÷2 | 10065915 |
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n÷3 | 6710610 |
n÷3 | 5032957.5 |
n÷5 | 4026366 |
Exponentiation
nyn2 | 405290579148900 |
---|---|
n3 | 8.1592410400272E+21 |
n4 | 1.6426045354685E+29 |
n5 | 3.3068635265281E+36 |
Nth Root
y√n2√n | 4486.8507886936 |
---|---|
3√n | 272.03685883143 |
4√n | 66.983959189447 |
5√n | 28.8919364471 |
Divisors of 20131830
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20131829 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20131830 can be divided by 64 positive divisors. The sum of these divisors (counting 20131830) is 1, the average is 0.015625.
Base conversion 20131830
Base | System | Value |
---|---|---|
2 | Binary | 1001100110010111111110110 |
3 | Ternary | 1101212210200100 |
4 | Quaternary | 1030302333312 |
5 | Quinary | 20123204310 |
6 | Senary | 1555254530 |
8 | Octal | 114627766 |
10 | Decimal | 20131830 |
12 | Duodecimal | 68aa446 |
16 | Hexadecimal | 1332ff6 |
20 | Vigesimal | 65g9ba |
36 | Base36 | bzhti |
Cryptographic Hash Functions
md5 | bf6745e2797c86eb164ab3c71f15998d |
---|---|
sha1 | 88bc4d5a1f4783f33b2b6e48540d191ac4427089 |
sha256 | ef42d69182c54449f93a18ffc9795feadb7d652e14b08d02466feb757f40d252 |
sha512 | e024c13299ce265f74afccaaa51d8b842df748f5f4c81a0988c5ddd904e913da8d6a8094773cb9a6aa287c8612aed32b48fa83d4bb9b3bbdb55260f4bef3641d |
ripemd-160 | e47fe29ddedc7fb364d17e458bc0557e6000c42c |
20131830 as geometric shapes
Circle
Radius = nDiameter | 40263660 |
---|---|
Circumference | 126492018.46264 |
Area | 1.2732579060233E+15 |
Sphere
Radius = nVolume | 3.4177348946957E+22 |
---|---|
Surface area | 5.0930316240933E+15 |
Circumference | 126492018.46264 |
Square
Length = nPerimeter | 80527320 |
---|---|
Area | 405290579148900 |
Diagonal | 28470707.02139 |
Cube
Length = nSurface area | 2431743474893400 |
---|---|
Volume | 8.1592410400272E+21 |
Space diagonal | 34869352.409339 |
Equilateral Triangle
Length = nPerimeter | 60395490 |
---|---|
Area | 1.7549596872873E+14 |
Altitude | 17434676.20467 |
Triangular Pyramid
Length = nSurface area | 1.7549596872873E+14 |
---|---|
Volume | 9.6157577812314E+20 |
Height | 9490235.6737965 |