20128816 (number)
20128816 is an even 8-digits composite number following 20128815 and preceding 20128817. In scientific notation, it is written as 2.0128816 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 9246720 positive integers (up to 20128816) that are relatively prime to 20128816.
Interesting facts
- 20128816 has 40 divisors, whose sum is 42278544
- The reverse of 20128816 is 61882102
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
| Name | twenty million one hundred twenty-eight thousand eight hundred sixteen |
|---|
Notation
| Scientific notation | 2.0128816 × 10^7 |
|---|---|
| Engineering notation | 2.0128816 × 10^6 |
Prime Factorization of 20128816
Prime Factorization 2 × 2 × 2 × 2 × 43 × 17 × 1721
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2516102 | Product of the distinct prime numbers |
The prime factorization of 20128816 is 2 × 2 × 2 × 2 × 43 × 17 × 1721. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20128816)
Multiplication
n×y| n×2 | 40257632 |
|---|---|
| n×3 | 60386448 |
| n×4 | 80515264 |
| n×5 | 100644080 |
Division
n÷y| n÷2 | 10064408 |
|---|---|
| n÷3 | 6709605.3333333 |
| n÷3 | 5032204 |
| n÷5 | 4025763.2 |
Exponentiation
ny| n2 | 405169233561856 |
|---|---|
| n3 | 8.1555769512276E+21 |
| n4 | 1.641621078251E+29 |
| n5 | 3.3043888625836E+36 |
Nth Root
y√n| 2√n | 4486.5149058038 |
|---|---|
| 3√n | 272.02328232078 |
| 4√n | 66.981451953536 |
| 5√n | 28.891071294635 |
Divisors of 20128816
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 | -20128815 | 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 20128816 can be divided by 40 positive divisors. The sum of these divisors (counting 20128816) is 1, the average is 0.025.
Base conversion 20128816
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100110010010000110000 |
| 3 | Ternary | 1101212122112201 |
| 4 | Quaternary | 1030302100300 |
| 5 | Quinary | 20123110231 |
| 6 | Senary | 1555232544 |
| 8 | Octal | 114622060 |
| 10 | Decimal | 20128816 |
| 12 | Duodecimal | 68a8754 |
| 16 | Hexadecimal | 1332430 |
| 20 | Vigesimal | 65g20g |
| 36 | Base36 | bzfhs |
Cryptographic Hash Functions
| md5 | 39bb743cbc08c78a5d10f6a477f25d14 |
|---|---|
| sha1 | 9957ca9a735742066ff03ec610248558e330e2c7 |
| sha256 | 3c9be6dbc1bac591a72396f69fb18bd774d0ea14f04dba54abdf6207016b4019 |
| sha512 | d244a4164b3e9de94a6dc82f13bfa3b76ae0f78d1f8905bf3f0bee85fafe6b38232f8ce46b87a5ffc9218763506e68eddd8a7f5d9d3cffd0d7ce882d7f912ad3 |
| ripemd-160 | 0501509c888e7542d5a84128e6faa9ecf3f0041f |
20128816 as geometric shapes
Circle
Radius = n| Diameter | 40257632 |
|---|---|
| Circumference | 126473080.94212 |
| Area | 1.2728766876185E+15 |
Sphere
Radius = n| Volume | 3.4162000847684E+22 |
|---|---|
| Surface area | 5.0915067504741E+15 |
| Circumference | 126473080.94212 |
Square
Length = n| Perimeter | 80515264 |
|---|---|
| Area | 405169233561856 |
| Diagonal | 28466444.581713 |
Cube
Length = n| Surface area | 2431015401371136 |
|---|---|
| Volume | 8.1555769512276E+21 |
| Space diagonal | 34864132.008205 |
Equilateral Triangle
Length = n| Perimeter | 60386448 |
|---|---|
| Area | 1.7544342454822E+14 |
| Altitude | 17432066.004103 |
Triangular Pyramid
Length = n| Surface area | 1.7544342454822E+14 |
|---|---|
| Volume | 9.6114396111696E+20 |
| Height | 9488814.8605709 |