The number 39426
39426 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 6571. Divisors (8): 1, 2, 3, 6, 6571, 13142, 19713, 39426.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
39426 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
39426 is composite. Its prime factorisation is
- 3
The divisors add up to 78864; without 39426 itself that is 39438, so 39426 is abundant (39438 is more than 39426). Euler's totient φ(39426) = 13140 numbers up to 39426 share no factor with it.
- 4
The digits of 39426 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 62 steps to reach 1.
LaTeX source of the formulas on this page
\[ 39426 = 2 \times 3 \times 6571 \]
39426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 78864 |
| Euler totient φ(n) | 13140 |
| Square | 1554409476 |
| Cube | 61284148000776 |
| Square root | 198.559815 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 62 |
| Scientific notation | 3.9426 × |
39426 in other forms
| Form | Value |
|---|---|
| In words | thirty-nine thousand four hundred and twenty-six |
| Binary (base 2) | 1001101000000010 |
| Octal (base 8) | 115002 |
| Hexadecimal (base 16) | 9A02 |
| Base 3 | 2000002020 |
| As time | 39426 seconds = 10 h 57 min 6 s |
Is 39426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (39426 ÷ 2 = 19713) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (39426 ÷ 3 = 13142) | 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 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (39426 ÷ 6 = 6571) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | 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 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 39426 a prime number?
No. 39426 = 2 × 3 × 6571, so it is divisible by 2.
What are the factors of 39426?
1, 2, 3, 6, 6571, 13142, 19713, 39426.
What is 39426 in binary?
1001101000000010 (hexadecimal 9A02, octal 115002).
What is the square root of 39426?
About 198.5598.
Is 39426 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 39426?
It is a composite number with 8 divisors.