The number 73449
73449 is a composite number with 6 divisors. Its prime factorisation is × 8161. Divisors (6): 1, 3, 9, 8161, 24483, 73449.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
73449 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
73449 is composite. Its prime factorisation is
- 3
The divisors add up to 106106; without 73449 itself that is 32657, so 73449 is deficient (32657 is less than 73449). Euler's totient φ(73449) = 48960 numbers up to 73449 share no factor with it.
- 4
The digits of 73449 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 187 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73449 = 3^{2} \times 8161 \]73449 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 106106 |
| Euler totient φ(n) | 48960 |
| Square | 5394755601 |
| Cube | 396239404137849 |
| Square root | 271.014760 (= 3√8161) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 187 |
| Scientific notation | 7.3449 × |
73449 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand four hundred and forty-nine |
| Binary (base 2) | 10001111011101001 |
| Octal (base 8) | 217351 |
| Hexadecimal (base 16) | 11EE9 |
| Base 3 | 10201202100 |
| As time | 73449 seconds = 20 h 24 min 9 s |
Is 73449 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 (73449 ÷ 3 = 24483) | 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 4) | 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 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (73449 ÷ 9 = 8161) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73449 a prime number?
No. 73449 = × 8161, so it is divisible by 3.
What are the factors of 73449?
1, 3, 9, 8161, 24483, 73449.
What is 73449 in binary?
10001111011101001 (hexadecimal 11EE9, octal 217351).
What is the square root of 73449?
About 271.0148, exactly 3√8161.
Is 73449 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 73449?
It is a composite number with 6 divisors.