21172008 (number)
21172008 is an even 8-digits composite number following 21172007 and preceding 21172009. In scientific notation, it is written as 2.1172008 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 128 positive divisors. There are 5702400 positive integers (up to 21172008) that are relatively prime to 21172008.
Interesting facts
- 21172008 has 128 divisors, whose sum is 64512000
- The reverse of 21172008 is 80027112
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
| Name | twenty-one million one hundred seventy-two thousand eight |
|---|
Notation
| Scientific notation | 2.1172008 × 10^7 |
|---|---|
| Engineering notation | 2.1172008 × 10^6 |
Prime Factorization of 21172008
Prime Factorization 2 × 2 × 2 × 3 × 11 × 13 × 31 × 199
Composite number| ω | Distinct Factors | 6 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 5293002 | Product of the distinct prime numbers |
The prime factorization of 21172008 is 2 × 2 × 2 × 3 × 11 × 13 × 31 × 199. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21172008)
Multiplication
n×y| n×2 | 42344016 |
|---|---|
| n×3 | 63516024 |
| n×4 | 84688032 |
| n×5 | 105860040 |
Division
n÷y| n÷2 | 10586004 |
|---|---|
| n÷3 | 7057336 |
| n÷3 | 5293002 |
| n÷5 | 4234401.6 |
Exponentiation
ny| n2 | 448253922752064 |
|---|---|
| n3 | 9.4904356385381E+21 |
| n4 | 2.0093157926261E+29 |
| n5 | 4.2541250036007E+36 |
Nth Root
y√n| 2√n | 4601.3050322707 |
|---|---|
| 3√n | 276.6436354435 |
| 4√n | 67.832919974528 |
| 5√n | 29.184510259606 |
Divisors of 21172008
128 divisors
| τ | Total Divisors | 128 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -21172007 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21172008 can be divided by 128 positive divisors. The sum of these divisors (counting 21172008) is 1, the average is 0.0078125.
Base conversion 21172008
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010000110000111100101000 |
| 3 | Ternary | 1110211122112110 |
| 4 | Quaternary | 1100300330220 |
| 5 | Quinary | 20410001013 |
| 6 | Senary | 2033442320 |
| 8 | Octal | 120607450 |
| 10 | Decimal | 21172008 |
| 12 | Duodecimal | 71103a0 |
| 16 | Hexadecimal | 1430f28 |
| 20 | Vigesimal | 6c6a08 |
| 36 | Base36 | clsfc |
Cryptographic Hash Functions
| md5 | 691261ed5a0af63f7ba355e0991c02d3 |
|---|---|
| sha1 | 2819e04d319f8c9cb884a194d672c89205dc89bc |
| sha256 | 61be7041015fa3f98c4b2739bab2ba89514834e46ab8926e49da159ba34221e8 |
| sha512 | aee75b7b62e7855f374109efc4e6eab3bf74a0bc004aafeab0d1e8bcb776c06bca9b1d9962ca48e490f9c40ac438669eff9575ad170cd97e21fcdb0aee734120 |
| ripemd-160 | f4d0c1c17f77731946ab071ad81f7cbc756170cf |
21172008 as geometric shapes
Circle
Radius = n| Diameter | 42344016 |
|---|---|
| Circumference | 133027649.58909 |
| Area | 1.4082312306607E+15 |
Sphere
Radius = n| Volume | 3.9753443841864E+22 |
|---|---|
| Surface area | 5.6329249226428E+15 |
| Circumference | 133027649.58909 |
Square
Length = n| Perimeter | 84688032 |
|---|---|
| Area | 448253922752064 |
| Diagonal | 29941740.856272 |
Cube
Length = n| Surface area | 2689523536512384 |
|---|---|
| Volume | 9.4904356385381E+21 |
| Space diagonal | 36670993.554255 |
Equilateral Triangle
Length = n| Perimeter | 63516024 |
|---|---|
| Area | 1.9409964222466E+14 |
| Altitude | 18335496.777127 |
Triangular Pyramid
Length = n| Surface area | 1.9409964222466E+14 |
|---|---|
| Volume | 1.1184585660708E+21 |
| Height | 9980580.2854239 |