20287746 (number)
20287746 is an even 8-digits composite number following 20287745 and preceding 20287747. In scientific notation, it is written as 2.0287746 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 40 positive divisors. There are 6648480 positive integers (up to 20287746) that are relatively prime to 20287746.
Interesting facts
- 20287746 has 40 divisors, whose sum is 46227324
- The reverse of 20287746 is 64778202
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
| Name | twenty million two hundred eighty-seven thousand seven hundred forty-six |
|---|
Notation
| Scientific notation | 2.0287746 × 10^7 |
|---|---|
| Engineering notation | 2.0287746 × 10^6 |
Prime Factorization of 20287746
Prime Factorization 2 × 9 × 3 × 3 × 61 × 2053
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 6762582 | Product of the distinct prime numbers |
The prime factorization of 20287746 is 2 × 9 × 3 × 3 × 61 × 2053. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20287746)
Multiplication
n×y| n×2 | 40575492 |
|---|---|
| n×3 | 60863238 |
| n×4 | 81150984 |
| n×5 | 101438730 |
Division
n÷y| n÷2 | 10143873 |
|---|---|
| n÷3 | 6762582 |
| n÷3 | 5071936.5 |
| n÷5 | 4057549.2 |
Exponentiation
ny| n2 | 411592637760516 |
|---|---|
| n3 | 8.3502868903554E+21 |
| n4 | 1.6940849945866E+29 |
| n5 | 3.4369166072584E+36 |
Nth Root
y√n| 2√n | 4504.1920474154 |
|---|---|
| 3√n | 272.7373394466 |
| 4√n | 67.113277728147 |
| 5√n | 28.936550617825 |
Divisors of 20287746
40 divisors
| τ | Total Divisors | 40 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -20287745 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20287746 can be divided by 40 positive divisors. The sum of these divisors (counting 20287746) is 1, the average is 0.025.
Base conversion 20287746
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001101011001000100000010 |
| 3 | Ternary | 1102011201120000 |
| 4 | Quaternary | 1031121010002 |
| 5 | Quinary | 20143201441 |
| 6 | Senary | 2002500430 |
| 8 | Octal | 115310402 |
| 10 | Decimal | 20287746 |
| 12 | Duodecimal | 6964716 |
| 16 | Hexadecimal | 1359102 |
| 20 | Vigesimal | 66fj76 |
| 36 | Base36 | c2u4i |
Cryptographic Hash Functions
| md5 | 926d4237738aba90b73a8378d2684788 |
|---|---|
| sha1 | d831563d226cb0907f787cdec4965419833fb43b |
| sha256 | 30cbd112ad60bc4ea8c34e3770683436038f870c7b9180eef79ddac2dab8f2a0 |
| sha512 | feb0ab8d647e6a1e4ea83242f92e4f791a52991a3907f5aac0942ea7306e8a923785580702e8587fca68f4f9fb75944be5d734f8b7f6db19d308ab4b5b71380b |
| ripemd-160 | d55f16be1a71c6d3cace6df03100cd9342c13b30 |
20287746 as geometric shapes
Circle
Radius = n| Diameter | 40575492 |
|---|---|
| Circumference | 127471667.58299 |
| Area | 1.2930564070601E+15 |
Sphere
Radius = n| Volume | 3.4977599933477E+22 |
|---|---|
| Surface area | 5.1722256282403E+15 |
| Circumference | 127471667.58299 |
Square
Length = n| Perimeter | 81150984 |
|---|---|
| Area | 411592637760516 |
| Diagonal | 28691205.543181 |
Cube
Length = n| Surface area | 2469555826563096 |
|---|---|
| Volume | 8.3502868903554E+21 |
| Space diagonal | 35139406.843052 |
Equilateral Triangle
Length = n| Perimeter | 60863238 |
|---|---|
| Area | 1.7822484015563E+14 |
| Altitude | 17569703.421526 |
Triangular Pyramid
Length = n| Surface area | 1.7822484015563E+14 |
|---|---|
| Volume | 9.840907475039E+20 |
| Height | 9563735.1810602 |