82720 (number)
82720 is an even 5-digits composite number following 82719 and preceding 82721. In scientific notation, it is written as 8.2720 × 10^4. The sum of its digits is 19. It has a total of 8 prime factors and 48 positive divisors. There are 29440 positive integers (up to 82720) that are relatively prime to 82720.
Interesting facts
- 82720 has 48 divisors, whose sum is 217728
- The reverse of 82720 is 02728
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 5
- Sum of Digits 19
- Digital Root 1
Name
| Name | eighty-two thousand seven hundred twenty |
|---|
Notation
| Scientific notation | 8.2720 × 10^4 |
|---|---|
| Engineering notation | 8.2720 × 10^3 |
Prime Factorization of 82720
Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 11 × 47
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 5170 | Product of the distinct prime numbers |
The prime factorization of 82720 is 2 × 2 × 2 × 2 × 2 × 5 × 11 × 47. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 82720)
Multiplication
n×y| n×2 | 165440 |
|---|---|
| n×3 | 248160 |
| n×4 | 330880 |
| n×5 | 413600 |
Division
n÷y| n÷2 | 41360 |
|---|---|
| n÷3 | 27573.333333333 |
| n÷3 | 20680 |
| n÷5 | 16544 |
Exponentiation
ny| n2 | 6842598400 |
|---|---|
| n3 | 566019739648000 |
| n4 | 4.6821152863683E+19 |
| n5 | 3.8730457648838E+24 |
Nth Root
y√n| 2√n | 287.61084819596 |
|---|---|
| 3√n | 43.571600055634 |
| 4√n | 16.959093377771 |
| 5√n | 9.6276901569557 |
Divisors of 82720
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 | -82719 | 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 82720 can be divided by 48 positive divisors. The sum of these divisors (counting 82720) is 1, the average is 0.020833333333333.
Base conversion 82720
| Base | System | Value |
|---|---|---|
| 2 | Binary | 10100001100100000 |
| 3 | Ternary | 11012110201 |
| 4 | Quaternary | 110030200 |
| 5 | Quinary | 10121340 |
| 6 | Senary | 1434544 |
| 8 | Octal | 241440 |
| 10 | Decimal | 82720 |
| 12 | Duodecimal | 3ba54 |
| 16 | Hexadecimal | 14320 |
| 20 | Vigesimal | a6g0 |
| 36 | Base36 | 1rts |
Cryptographic Hash Functions
| md5 | 201c363af83c1aa5fd0333aff0d48580 |
|---|---|
| sha1 | b1ed869f085f93b572062f22095c7598e30f1b47 |
| sha256 | 64d38eaba5a9e9f32d7ec24cd77199b61b635b6936f255bca2f097939a14227b |
| sha512 | 4858bc6c155c7fb8f7a27f0d02e01496376ad6cb49dc5eea38d7c93447ce4a6d3e14e57a845b8e4237580621907f82dd27897cf6da9b75087369309b72fd94dc |
| ripemd-160 | 699c343dd9148e5307d244447b1a6ac8feab07d3 |
82720 as geometric shapes
Circle
Radius = n| Diameter | 165440 |
|---|---|
| Circumference | 519745.0886099 |
| Area | 21496656864.905 |
Sphere
Radius = n| Volume | 2.3709379411533E+15 |
|---|---|
| Surface area | 85986627459.621 |
| Circumference | 519745.0886099 |
Square
Length = n| Perimeter | 330880 |
|---|---|
| Area | 6842598400 |
| Diagonal | 116983.7458795 |
Cube
Length = n| Surface area | 41055590400 |
|---|---|
| Volume | 566019739648000 |
| Space diagonal | 143275.2428021 |
Equilateral Triangle
Length = n| Perimeter | 248160 |
|---|---|
| Area | 2962932021.1474 |
| Altitude | 71637.621401049 |
Triangular Pyramid
Length = n| Surface area | 2962932021.1474 |
|---|---|
| Volume | 66706066031758 |
| Height | 38994.581959834 |