20787664 (number)
20787664 is an even 8-digits composite number following 20787663 and preceding 20787665. In scientific notation, it is written as 2.0787664 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 40 positive divisors. There are 9878400 positive integers (up to 20787664) that are relatively prime to 20787664.
Interesting facts
- 20787664 has 40 divisors, whose sum is 42318720
- The reverse of 20787664 is 46678702
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 40
- Digital Root 4
Name
| Name | twenty million seven hundred eighty-seven thousand six hundred sixty-four |
|---|
Notation
| Scientific notation | 2.0787664 × 10^7 |
|---|---|
| Engineering notation | 2.0787664 × 10^6 |
Prime Factorization of 20787664
Prime Factorization 2 × 2 × 2 × 2 × 71 × 29 × 631
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2598458 | Product of the distinct prime numbers |
The prime factorization of 20787664 is 2 × 2 × 2 × 2 × 71 × 29 × 631. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20787664)
Multiplication
n×y| n×2 | 41575328 |
|---|---|
| n×3 | 62362992 |
| n×4 | 83150656 |
| n×5 | 103938320 |
Division
n÷y| n÷2 | 10393832 |
|---|---|
| n÷3 | 6929221.3333333 |
| n÷3 | 5196916 |
| n÷5 | 4157532.8 |
Exponentiation
ny| n2 | 432126974576896 |
|---|---|
| n3 | 8.9829103528411E+21 |
| n4 | 1.8673372215698E+29 |
| n5 | 3.8817578736687E+36 |
Nth Root
y√n| 2√n | 4559.3490763485 |
|---|---|
| 3√n | 274.95939455562 |
| 4√n | 67.522952218846 |
| 5√n | 29.077772722952 |
Divisors of 20787664
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 | -20787663 | 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 20787664 can be divided by 40 positive divisors. The sum of these divisors (counting 20787664) is 1, the average is 0.025.
Base conversion 20787664
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001111010011000111010000 |
| 3 | Ternary | 1110010010022111 |
| 4 | Quaternary | 1033103013100 |
| 5 | Quinary | 20310201124 |
| 6 | Senary | 2021315104 |
| 8 | Octal | 117230720 |
| 10 | Decimal | 20787664 |
| 12 | Duodecimal | 6b65a94 |
| 16 | Hexadecimal | 13d31d0 |
| 20 | Vigesimal | 69i934 |
| 36 | Base36 | cdjv4 |
Cryptographic Hash Functions
| md5 | 2b9c814de44dff0d7cc2835da3ecd77d |
|---|---|
| sha1 | 6fe4c7247dc27faeb07108965268ecf1518281a2 |
| sha256 | 6d899524a4b3bd3f50528c687822a73ca02f13269d8ef3d9598f35919494d2a1 |
| sha512 | 002cfa32e946e5d278607ea128d58cbef63130d9059fee2c112ea611d00cb17fc924e5b1a40b003aa8bd895e193a4ed78cabad74a058897d84f52013312800a9 |
| ripemd-160 | 9f7e0e57506b8a9275cf4656b121c5b5490b4653 |
20787664 as geometric shapes
Circle
Radius = n| Diameter | 41575328 |
|---|---|
| Circumference | 130612745.01539 |
| Area | 1.3575669287488E+15 |
Sphere
Radius = n| Volume | 3.7627526896455E+22 |
|---|---|
| Surface area | 5.430267714995E+15 |
| Circumference | 130612745.01539 |
Square
Length = n| Perimeter | 83150656 |
|---|---|
| Area | 432126974576896 |
| Diagonal | 29398196.358855 |
Cube
Length = n| Surface area | 2592761847461376 |
|---|---|
| Volume | 8.9829103528411E+21 |
| Space diagonal | 36005290.21867 |
Equilateral Triangle
Length = n| Perimeter | 62362992 |
|---|---|
| Area | 1.8711646882205E+14 |
| Altitude | 18002645.109335 |
Triangular Pyramid
Length = n| Surface area | 1.8711646882205E+14 |
|---|---|
| Volume | 1.0586461375475E+21 |
| Height | 9799398.786285 |