The number 38674
38674 is a composite number with 8 divisors. Its prime factorisation is 2 × 61 × 317. Divisors (8): 1, 2, 61, 122, 317, 634, 19337, 38674.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38674 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38674 is composite. Its prime factorisation is
- 3
The divisors add up to 59148; without 38674 itself that is 20474, so 38674 is deficient (20474 is less than 38674). Euler's totient φ(38674) = 18960 numbers up to 38674 share no factor with it.
- 4
The digits of 38674 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 168 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38674 = 2 \times 61 \times 317 \]
38674 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 59148 |
| Euler totient φ(n) | 18960 |
| Square | 1495678276 |
| Cube | 57843861646024 |
| Square root | 196.657062 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 168 |
| Scientific notation | 3.8674 × |
38674 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand six hundred and seventy-four |
| Binary (base 2) | 1001011100010010 |
| Octal (base 8) | 113422 |
| Hexadecimal (base 16) | 9712 |
| Base 3 | 1222001101 |
| As time | 38674 seconds = 10 h 44 min 34 s |
Is 38674 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (38674 ÷ 2 = 19337) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38674 a prime number?
No. 38674 = 2 × 61 × 317, so it is divisible by 2.
What are the factors of 38674?
1, 2, 61, 122, 317, 634, 19337, 38674.
What is 38674 in binary?
1001011100010010 (hexadecimal 9712, octal 113422).
What is the square root of 38674?
About 196.6571.
Is 38674 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 38674?
It is a composite number with 8 divisors.