20123988 (number)
20123988 is an even 8-digits composite number following 20123987 and preceding 20123989. In scientific notation, it is written as 2.0123988 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 6037504 positive integers (up to 20123988) that are relatively prime to 20123988.
Interesting facts
- 20123988 has 48 divisors, whose sum is 51891840
- The reverse of 20123988 is 88932102
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | twenty million one hundred twenty-three thousand nine hundred eighty-eight |
|---|
Notation
| Scientific notation | 2.0123988 × 10^7 |
|---|---|
| Engineering notation | 2.0123988 × 10^6 |
Prime Factorization of 20123988
Prime Factorization 2 × 2 × 3 × 17 × 23 × 4289
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 10061994 | Product of the distinct prime numbers |
The prime factorization of 20123988 is 2 × 2 × 3 × 17 × 23 × 4289. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20123988)
Multiplication
n×y| n×2 | 40247976 |
|---|---|
| n×3 | 60371964 |
| n×4 | 80495952 |
| n×5 | 100619940 |
Division
n÷y| n÷2 | 10061994 |
|---|---|
| n÷3 | 6707996 |
| n÷3 | 5030997 |
| n÷5 | 4024797.6 |
Exponentiation
ny| n2 | 404974893024144 |
|---|---|
| n3 | 8.1497098875192E+21 |
| n4 | 1.6400466397992E+29 |
| n5 | 3.3004278898759E+36 |
Nth Root
y√n| 2√n | 4485.9768167034 |
|---|---|
| 3√n | 272.00153185412 |
| 4√n | 66.977435130821 |
| 5√n | 28.88968522725 |
Divisors of 20123988
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 | -20123987 | 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 20123988 can be divided by 48 positive divisors. The sum of these divisors (counting 20123988) is 1, the average is 0.020833333333333.
Base conversion 20123988
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100110001000101010100 |
| 3 | Ternary | 1101212101220220 |
| 4 | Quaternary | 1030301011110 |
| 5 | Quinary | 20122431423 |
| 6 | Senary | 1555154340 |
| 8 | Octal | 114610524 |
| 10 | Decimal | 20123988 |
| 12 | Duodecimal | 68a59b0 |
| 16 | Hexadecimal | 1331154 |
| 20 | Vigesimal | 65f9j8 |
| 36 | Base36 | bzbro |
Cryptographic Hash Functions
| md5 | 8ee613ae170a9cfd0f35c2d078b3c470 |
|---|---|
| sha1 | f7a7ed5145e2aaa8ca9bad97570581f43164ec35 |
| sha256 | 6ef5c88da1506735231cff11a1e2b7c2b97063f38b19e949c608fb11ed78feb3 |
| sha512 | d39c7883f523e17946a27e39d96c2fd8aa4b89673bf195d32991bb4cf5dac3fde7c8c251e6ebceb1e73aa3b588bd6b06ff811147a46d24180cf304fc963c8fb3 |
| ripemd-160 | e4f66beaaca1d614972629f3f91853d08944acac |
20123988 as geometric shapes
Circle
Radius = n| Diameter | 40247976 |
|---|---|
| Circumference | 126442745.72346 |
| Area | 1.272266148813E+15 |
Sphere
Radius = n| Volume | 3.4137424948691E+22 |
|---|---|
| Surface area | 5.0890645952519E+15 |
| Circumference | 126442745.72346 |
Square
Length = n| Perimeter | 80495952 |
|---|---|
| Area | 404974893024144 |
| Diagonal | 28459616.758633 |
Cube
Length = n| Surface area | 2429849358144864 |
|---|---|
| Volume | 8.1497098875192E+21 |
| Space diagonal | 34855769.666906 |
Equilateral Triangle
Length = n| Perimeter | 60371964 |
|---|---|
| Area | 1.753592726269E+14 |
| Altitude | 17427884.833453 |
Triangular Pyramid
Length = n| Surface area | 1.753592726269E+14 |
|---|---|
| Volume | 9.6045252102798E+20 |
| Height | 9486538.9195445 |