The number 38822
38822 is a composite number with 16 divisors. Its prime factorisation is 2 × 7 × 47 × 59. Divisors (16): 1, 2, 7, 14, 47, 59, 94, 118, 329, 413, 658, 826, 2773, 5546, 19411, 38822.
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How to work it out
- 1
38822 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38822 is composite. Its prime factorisation is
- 3
The divisors add up to 69120; without 38822 itself that is 30298, so 38822 is deficient (30298 is less than 38822). Euler's totient φ(38822) = 16008 numbers up to 38822 share no factor with it.
- 4
The digits of 38822 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 181 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38822 = 2 \times 7 \times 47 \times 59 \]
38822 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 69120 |
| Euler totient φ(n) | 16008 |
| Square | 1507147684 |
| Cube | 58510487388248 |
| Square root | 197.032992 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 181 |
| Scientific notation | 3.8822 × |
38822 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand eight hundred and twenty-two |
| Binary (base 2) | 1001011110100110 |
| Octal (base 8) | 113646 |
| Hexadecimal (base 16) | 97A6 |
| Base 3 | 1222020212 |
| As time | 38822 seconds = 10 h 47 min 2 s |
Is 38822 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (38822 ÷ 2 = 19411) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (38822 ÷ 7 = 5546) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38822 a prime number?
No. 38822 = 2 × 7 × 47 × 59, so it is divisible by 2.
What are the factors of 38822?
1, 2, 7, 14, 47, 59, 94, 118, 329, 413, 658, 826, 2773, 5546, 19411, 38822.
What is 38822 in binary?
1001011110100110 (hexadecimal 97A6, octal 113646).
What is the square root of 38822?
About 197.0330.
Is 38822 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 38822?
It is a composite number with 16 divisors.