The number 73550
73550 is a composite number with 12 divisors. Its prime factorisation is 2 × × 1471. Divisors (12): 1, 2, 5, 10, 25, 50, 1471, 2942, 7355, 14710, 36775, 73550.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
73550 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
73550 is composite. Its prime factorisation is
- 3
The divisors add up to 136896; without 73550 itself that is 63346, so 73550 is deficient (63346 is less than 73550). Euler's totient φ(73550) = 29400 numbers up to 73550 share no factor with it.
- 4
The digits of 73550 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 156 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73550 = 2 \times 5^{2} \times 1471 \]73550 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 136896 |
| Euler totient φ(n) | 29400 |
| Square | 5409602500 |
| Cube | 397876263875000 |
| Square root | 271.201032 (= 5√2942) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 156 |
| Scientific notation | 7.355 × |
73550 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand five hundred and fifty |
| Binary (base 2) | 10001111101001110 |
| Octal (base 8) | 217516 |
| Hexadecimal (base 16) | 11F4E |
| Base 3 | 10201220002 |
| As time | 73550 seconds = 20 h 25 min 50 s |
Is 73550 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (73550 ÷ 2 = 36775) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (73550 ÷ 5 = 14710) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (73550 ÷ 10 = 7355) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73550 a prime number?
No. 73550 = 2 × × 1471, so it is divisible by 2.
What are the factors of 73550?
1, 2, 5, 10, 25, 50, 1471, 2942, 7355, 14710, 36775, 73550.
What is 73550 in binary?
10001111101001110 (hexadecimal 11F4E, octal 217516).
What is the square root of 73550?
About 271.2010, exactly 5√2942.
Is 73550 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 73550?
It is a composite number with 12 divisors.