The number 38446
38446 is a composite number with 8 divisors. Its prime factorisation is 2 × 47 × 409. Divisors (8): 1, 2, 47, 94, 409, 818, 19223, 38446.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38446 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38446 is composite. Its prime factorisation is
- 3
The divisors add up to 59040; without 38446 itself that is 20594, so 38446 is deficient (20594 is less than 38446). Euler's totient φ(38446) = 18768 numbers up to 38446 share no factor with it.
- 4
The digits of 38446 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 168 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38446 = 2 \times 47 \times 409 \]
38446 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 59040 |
| Euler totient φ(n) | 18768 |
| Square | 1478094916 |
| Cube | 56826837140536 |
| Square root | 196.076516 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 168 |
| Scientific notation | 3.8446 × |
38446 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand four hundred and forty-six |
| Binary (base 2) | 1001011000101110 |
| Octal (base 8) | 113056 |
| Hexadecimal (base 16) | 962E |
| Base 3 | 1221201221 |
| As time | 38446 seconds = 10 h 40 min 46 s |
Is 38446 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (38446 ÷ 2 = 19223) | 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 1) | 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 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 1) | 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 38446 a prime number?
No. 38446 = 2 × 47 × 409, so it is divisible by 2.
What are the factors of 38446?
1, 2, 47, 94, 409, 818, 19223, 38446.
What is 38446 in binary?
1001011000101110 (hexadecimal 962E, octal 113056).
What is the square root of 38446?
About 196.0765.
Is 38446 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 38446?
It is a composite number with 8 divisors.