The number 38379
38379 is a composite number with 8 divisors. Its prime factorisation is 3 × 11 × 1163. Divisors (8): 1, 3, 11, 33, 1163, 3489, 12793, 38379.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38379 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38379 is composite. Its prime factorisation is
- 3
The divisors add up to 55872; without 38379 itself that is 17493, so 38379 is deficient (17493 is less than 38379). Euler's totient φ(38379) = 23240 numbers up to 38379 share no factor with it.
- 4
The digits of 38379 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 106 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38379 = 3 \times 11 \times 1163 \]
38379 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 55872 |
| Euler totient φ(n) | 23240 |
| Square | 1472947641 |
| Cube | 56530257513939 |
| Square root | 195.905590 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 106 |
| Scientific notation | 3.8379 × |
38379 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand three hundred and seventy-nine |
| Binary (base 2) | 1001010111101011 |
| Octal (base 8) | 112753 |
| Hexadecimal (base 16) | 95EB |
| Base 3 | 1221122110 |
| As time | 38379 seconds = 10 h 39 min 39 s |
Is 38379 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (38379 ÷ 3 = 12793) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (38379 ÷ 11 = 3489) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38379 a prime number?
No. 38379 = 3 × 11 × 1163, so it is divisible by 3.
What are the factors of 38379?
1, 3, 11, 33, 1163, 3489, 12793, 38379.
What is 38379 in binary?
1001010111101011 (hexadecimal 95EB, octal 112753).
What is the square root of 38379?
About 195.9056.
Is 38379 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 38379?
It is a composite number with 8 divisors.