The number 49443
49443 is a composite number with 4 divisors. Its prime factorisation is 3 × 16481. Divisors (4): 1, 3, 16481, 49443.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49443: a semiprime: 3 × 16481, the product of two primes.
- 2
49443 is composite. Its prime factorisation is
- 3
The divisors add up to 65928; without 49443 itself that is 16485, so 49443 is deficient (16485 is less than 49443). Euler's totient φ(49443) = 32960 numbers up to 49443 share no factor with it.
- 4
The digits of 49443 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 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49443 = 3 \times 16481 \]
49443 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 65928 |
| Euler totient φ(n) | 32960 |
| Square | 2444610249 |
| Cube | 120868864541307 |
| Square root | 222.357820 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9443 × |
49443 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and forty-three |
| Binary (base 2) | 1100000100100011 |
| Octal (base 8) | 140443 |
| Hexadecimal (base 16) | C123 |
| Base 3 | 2111211020 |
| As time | 49443 seconds = 13 h 44 min 3 s |
Is 49443 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 | Yes (49443 ÷ 3 = 16481) | 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 3) | 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 3) | 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 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49443 a prime number?
No. 49443 = 3 × 16481, so it is divisible by 3.
What are the factors of 49443?
1, 3, 16481, 49443.
What is 49443 in binary?
1100000100100011 (hexadecimal C123, octal 140443).
What is the square root of 49443?
About 222.3578.
Is 49443 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 49443?
49443 is a semiprime: 3 × 16481, the product of two primes.