20168688 (number)
20168688 is an even 8-digits composite number following 20168687 and preceding 20168689. In scientific notation, it is written as 2.0168688 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 6490624 positive integers (up to 20168688) that are relatively prime to 20168688.
Interesting facts
- 20168688 has 40 divisors, whose sum is 53902800
- The reverse of 20168688 is 88686102
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twenty million one hundred sixty-eight thousand six hundred eighty-eight |
|---|
Notation
| Scientific notation | 2.0168688 × 10^7 |
|---|---|
| Engineering notation | 2.0168688 × 10^6 |
Prime Factorization of 20168688
Prime Factorization 2 × 2 × 2 × 2 × 3 × 29 × 14489
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2521086 | Product of the distinct prime numbers |
The prime factorization of 20168688 is 2 × 2 × 2 × 2 × 3 × 29 × 14489. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20168688)
Multiplication
n×y| n×2 | 40337376 |
|---|---|
| n×3 | 60506064 |
| n×4 | 80674752 |
| n×5 | 100843440 |
Division
n÷y| n÷2 | 10084344 |
|---|---|
| n÷3 | 6722896 |
| n÷3 | 5042172 |
| n÷5 | 4033737.6 |
Exponentiation
ny| n2 | 406775975641344 |
|---|---|
| n3 | 8.2041377386059E+21 |
| n4 | 1.6546669435897E+29 |
| n5 | 3.3372461329174E+36 |
Nth Root
y√n| 2√n | 4490.9562456118 |
|---|---|
| 3√n | 272.20277555253 |
| 4√n | 67.014597257701 |
| 5√n | 28.902507964827 |
Divisors of 20168688
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 | -20168687 | 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 20168688 can be divided by 40 positive divisors. The sum of these divisors (counting 20168688) is 1, the average is 0.025.
Base conversion 20168688
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100111011111111110000 |
| 3 | Ternary | 1101221200020110 |
| 4 | Quaternary | 1030323333300 |
| 5 | Quinary | 20130344223 |
| 6 | Senary | 2000141320 |
| 8 | Octal | 114737760 |
| 10 | Decimal | 20168688 |
| 12 | Duodecimal | 6907840 |
| 16 | Hexadecimal | 133bff0 |
| 20 | Vigesimal | 6611e8 |
| 36 | Base36 | c0a9c |
Cryptographic Hash Functions
| md5 | 99d34769ff226bc2c0e7264d5f1689d1 |
|---|---|
| sha1 | 4ecdde8f98e32a9d6dcd2b0bcbc4d0c9c7d1d983 |
| sha256 | 1e4a3507f7670d1e4f488dbf19b0780096a5b38a109d577a7328542320e3b686 |
| sha512 | 2906ce9b97b86c91678e3f2480ce1822cf4d2881bf324bbd8f74bd75bfb5bd704db74253a442f65d92163acd32b93ef240c47a8604f104c1b6756ae1ec5a9c95 |
| ripemd-160 | 4aa2519b0bb9b8c601a0b50ff065d5d2b6d3e2a1 |
20168688 as geometric shapes
Circle
Radius = n| Diameter | 40337376 |
|---|---|
| Circumference | 126723604.10669 |
| Area | 1.2779244167317E+15 |
Sphere
Radius = n| Volume | 3.4365411798191E+22 |
|---|---|
| Surface area | 5.1116976669267E+15 |
| Circumference | 126723604.10669 |
Square
Length = n| Perimeter | 80674752 |
|---|---|
| Area | 406775975641344 |
| Diagonal | 28522832.104871 |
Cube
Length = n| Surface area | 2440655853848064 |
|---|---|
| Volume | 8.2041377386059E+21 |
| Space diagonal | 34933192.338005 |
Equilateral Triangle
Length = n| Perimeter | 60506064 |
|---|---|
| Area | 1.761391642773E+14 |
| Altitude | 17466596.169002 |
Triangular Pyramid
Length = n| Surface area | 1.761391642773E+14 |
|---|---|
| Volume | 9.6686690479278E+20 |
| Height | 9507610.7016238 |