20996784 (number)
20996784 is an even 8-digits composite number following 20996783 and preceding 20996785. In scientific notation, it is written as 2.0996784 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 40 positive divisors. There are 6941952 positive integers (up to 20996784) that are relatively prime to 20996784.
Interesting facts
- 20996784 has 40 divisors, whose sum is 45570000
- The reverse of 20996784 is 48769902
- Previous prime number is 139
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
| Name | twenty million nine hundred ninety-six thousand seven hundred eighty-four |
|---|
Notation
| Scientific notation | 2.0996784 × 10^7 |
|---|---|
| Engineering notation | 2.0996784 × 10^6 |
Prime Factorization of 20996784
Prime Factorization 2 × 2 × 2 × 2 × 9 × 139 × 1049
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2624598 | Product of the distinct prime numbers |
The prime factorization of 20996784 is 2 × 2 × 2 × 2 × 9 × 139 × 1049. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20996784)
Multiplication
n×y| n×2 | 41993568 |
|---|---|
| n×3 | 62990352 |
| n×4 | 83987136 |
| n×5 | 104983920 |
Division
n÷y| n÷2 | 10498392 |
|---|---|
| n÷3 | 6998928 |
| n÷3 | 5249196 |
| n÷5 | 4199356.8 |
Exponentiation
ny| n2 | 440864938342656 |
|---|---|
| n3 | 9.2567458835541E+21 |
| n4 | 1.9436189385987E+29 |
| n5 | 4.0809747032067E+36 |
Nth Root
y√n| 2√n | 4582.2247871531 |
|---|---|
| 3√n | 275.87833326808 |
| 4√n | 67.692132387398 |
| 5√n | 29.136042108407 |
Divisors of 20996784
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 | -20996783 | 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 20996784 can be divided by 40 positive divisors. The sum of these divisors (counting 20996784) is 1, the average is 0.025.
Base conversion 20996784
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010000000110001010110000 |
| 3 | Ternary | 1110111202011200 |
| 4 | Quaternary | 1100012022300 |
| 5 | Quinary | 20333344114 |
| 6 | Senary | 2030011200 |
| 8 | Octal | 120061260 |
| 10 | Decimal | 20996784 |
| 12 | Duodecimal | 7046b00 |
| 16 | Hexadecimal | 14062b0 |
| 20 | Vigesimal | 6b4bj4 |
| 36 | Base36 | ci180 |
Cryptographic Hash Functions
| md5 | 93a8f6cb843be88165e0109867f53386 |
|---|---|
| sha1 | 6e9a322954e7d640280131e9fd888368a2bd0759 |
| sha256 | 30371f996e1b3691dd001e397da21894880378fbe52f2046c336f457a4846295 |
| sha512 | 2bac0e360900ee46b86eadbe9bb70a1f35f48de721d3fc9b3db16ff76648c51b60e5bac37bdbf617f3126fd9a2559bf00385e1c5d394290d70f4736da3ffc886 |
| ripemd-160 | 7b3aa6ea95c68c53c2258c64fd0b53ed54a34a9c |
20996784 as geometric shapes
Circle
Radius = n| Diameter | 41993568 |
|---|---|
| Circumference | 131926684.72682 |
| Area | 1.3850180515226E+15 |
Sphere
Radius = n| Volume | 3.8774566485228E+22 |
|---|---|
| Surface area | 5.5400722060904E+15 |
| Circumference | 131926684.72682 |
Square
Length = n| Perimeter | 83987136 |
|---|---|
| Area | 440864938342656 |
| Diagonal | 29693936.699018 |
Cube
Length = n| Surface area | 2645189630055936 |
|---|---|
| Volume | 9.2567458835541E+21 |
| Space diagonal | 36367496.683549 |
Equilateral Triangle
Length = n| Perimeter | 62990352 |
|---|---|
| Area | 1.909001181213E+14 |
| Altitude | 18183748.341775 |
Triangular Pyramid
Length = n| Surface area | 1.909001181213E+14 |
|---|---|
| Volume | 1.0909179643303E+21 |
| Height | 9897978.8996728 |