The number 38425
38425 is a composite number with 12 divisors. Its prime factorisation is × 29 × 53. Divisors (12): 1, 5, 25, 29, 53, 145, 265, 725, 1325, 1537, 7685, 38425.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38425 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38425 is composite. Its prime factorisation is
- 3
The divisors add up to 50220; without 38425 itself that is 11795, so 38425 is deficient (11795 is less than 38425). Euler's totient φ(38425) = 29120 numbers up to 38425 share no factor with it.
- 4
The digits of 38425 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 80 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38425 = 5^{2} \times 29 \times 53 \]38425 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 50220 |
| Euler totient φ(n) | 29120 |
| Square | 1476480625 |
| Cube | 56733768015625 |
| Square root | 196.022958 (= 5√1537) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 80 |
| Scientific notation | 3.8425 × |
38425 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand four hundred and twenty-five |
| Binary (base 2) | 1001011000011001 |
| Octal (base 8) | 113031 |
| Hexadecimal (base 16) | 9619 |
| Base 3 | 1221201011 |
| As time | 38425 seconds = 10 h 40 min 25 s |
Is 38425 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 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (38425 ÷ 5 = 7685) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38425 a prime number?
No. 38425 = × 29 × 53, so it is divisible by 5.
What are the factors of 38425?
1, 5, 25, 29, 53, 145, 265, 725, 1325, 1537, 7685, 38425.
What is 38425 in binary?
1001011000011001 (hexadecimal 9619, octal 113031).
What is the square root of 38425?
About 196.0230, exactly 5√1537.
Is 38425 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 38425?
It is a composite number with 12 divisors.