The number 38443
38443 is a composite number with 4 divisors. Its prime factorisation is 37 × 1039. Divisors (4): 1, 37, 1039, 38443.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 38443: a semiprime: 37 × 1039, the product of two primes.
- 2
38443 is composite. Its prime factorisation is
- 3
The divisors add up to 39520; without 38443 itself that is 1077, so 38443 is deficient (1077 is less than 38443). Euler's totient φ(38443) = 37368 numbers up to 38443 share no factor with it.
- 4
The digits of 38443 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 168 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38443 = 37 \times 1039 \]
38443 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 39520 |
| Euler totient φ(n) | 37368 |
| Square | 1477864249 |
| Cube | 56813535324307 |
| Square root | 196.068865 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 168 |
| Scientific notation | 3.8443 × |
38443 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand four hundred and forty-three |
| Binary (base 2) | 1001011000101011 |
| Octal (base 8) | 113053 |
| Hexadecimal (base 16) | 962B |
| Base 3 | 1221201211 |
| As time | 38443 seconds = 10 h 40 min 43 s |
Is 38443 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 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 3) | 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 3) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38443 a prime number?
No. 38443 = 37 × 1039, so it is divisible by 37.
What are the factors of 38443?
1, 37, 1039, 38443.
What is 38443 in binary?
1001011000101011 (hexadecimal 962B, octal 113053).
What is the square root of 38443?
About 196.0689.
Is 38443 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 38443?
38443 is a semiprime: 37 × 1039, the product of two primes.