The number 48443
48443 is a composite number with 4 divisors. Its prime factorisation is 193 × 251. Divisors (4): 1, 193, 251, 48443.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48443: a semiprime: 193 × 251, the product of two primes.
- 2
48443 is composite. Its prime factorisation is
- 3
The divisors add up to 48888; without 48443 itself that is 445, so 48443 is deficient (445 is less than 48443). Euler's totient φ(48443) = 48000 numbers up to 48443 share no factor with it.
- 4
The digits of 48443 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48443 = 193 \times 251 \]
48443 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 48888 |
| Euler totient φ(n) | 48000 |
| Square | 2346724249 |
| Cube | 113682362794307 |
| Square root | 220.097706 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.8443 × |
48443 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand four hundred and forty-three |
| Binary (base 2) | 1011110100111011 |
| Octal (base 8) | 136473 |
| Hexadecimal (base 16) | BD3B |
| Base 3 | 2110110012 |
| As time | 48443 seconds = 13 h 27 min 23 s |
Is 48443 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 2) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 5) | 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 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48443 a prime number?
No. 48443 = 193 × 251, so it is divisible by 193.
What are the factors of 48443?
1, 193, 251, 48443.
What is 48443 in binary?
1011110100111011 (hexadecimal BD3B, octal 136473).
What is the square root of 48443?
About 220.0977.
Is 48443 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 48443?
48443 is a semiprime: 193 × 251, the product of two primes.