The number 74443
74443 is a composite number with 8 divisors. Its prime factorisation is 17 × 29 × 151. Divisors (8): 1, 17, 29, 151, 493, 2567, 4379, 74443.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
74443 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
74443 is composite. Its prime factorisation is
- 3
The divisors add up to 82080; without 74443 itself that is 7637, so 74443 is deficient (7637 is less than 74443). Euler's totient φ(74443) = 67200 numbers up to 74443 share no factor with it.
- 4
The digits of 74443 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 94 steps to reach 1.
LaTeX source of the formulas on this page
\[ 74443 = 17 \times 29 \times 151 \]
74443 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 82080 |
| Euler totient φ(n) | 67200 |
| Square | 5541760249 |
| Cube | 412545258216307 |
| Square root | 272.842445 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 94 |
| Scientific notation | 7.4443 × |
74443 in other forms
| Form | Value |
|---|---|
| In words | seventy-four thousand four hundred and forty-three |
| Binary (base 2) | 10010001011001011 |
| Octal (base 8) | 221313 |
| Hexadecimal (base 16) | 122CB |
| Base 3 | 10210010011 |
| As time | 74443 seconds = 20 h 40 min 43 s |
Is 74443 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 5) | 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 6) | 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 74443 a prime number?
No. 74443 = 17 × 29 × 151, so it is divisible by 17.
What are the factors of 74443?
1, 17, 29, 151, 493, 2567, 4379, 74443.
What is 74443 in binary?
10010001011001011 (hexadecimal 122CB, octal 221313).
What is the square root of 74443?
About 272.8424.
Is 74443 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 74443?
It is a composite number with 8 divisors.