The number 73741
73741 is a composite number with 4 divisors. Its prime factorisation is 37 × 1993. Divisors (4): 1, 37, 1993, 73741.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 73741: a semiprime: 37 × 1993, the product of two primes.
- 2
73741 is composite. Its prime factorisation is
- 3
The divisors add up to 75772; without 73741 itself that is 2031, so 73741 is deficient (2031 is less than 73741). Euler's totient φ(73741) = 71712 numbers up to 73741 share no factor with it.
- 4
The digits of 73741 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 50 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73741 = 37 \times 1993 \]
73741 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 75772 |
| Euler totient φ(n) | 71712 |
| Square | 5437735081 |
| Cube | 400984022608021 |
| Square root | 271.552941 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 50 |
| Scientific notation | 7.3741 × |
73741 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand seven hundred and forty-one |
| Binary (base 2) | 10010000000001101 |
| Octal (base 8) | 220015 |
| Hexadecimal (base 16) | 1200D |
| Base 3 | 10202011011 |
| As time | 73741 seconds = 20 h 29 min 1 s |
Is 73741 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 1) | 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 1) | 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 5) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73741 a prime number?
No. 73741 = 37 × 1993, so it is divisible by 37.
What are the factors of 73741?
1, 37, 1993, 73741.
What is 73741 in binary?
10010000000001101 (hexadecimal 1200D, octal 220015).
What is the square root of 73741?
About 271.5529.
Is 73741 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 73741?
73741 is a semiprime: 37 × 1993, the product of two primes.