The number 73493
73493 is a composite number with 4 divisors. Its prime factorisation is 7 × 10499. Divisors (4): 1, 7, 10499, 73493.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 73493: a semiprime: 7 × 10499, the product of two primes.
- 2
73493 is composite. Its prime factorisation is
- 3
The divisors add up to 84000; without 73493 itself that is 10507, so 73493 is deficient (10507 is less than 73493). Euler's totient φ(73493) = 62988 numbers up to 73493 share no factor with it.
- 4
The digits of 73493 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 112 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73493 = 7 \times 10499 \]
73493 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 84000 |
| Euler totient φ(n) | 62988 |
| Square | 5401221049 |
| Cube | 396951938554157 |
| Square root | 271.095924 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 112 |
| Scientific notation | 7.3493 × |
73493 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand four hundred and ninety-three |
| Binary (base 2) | 10001111100010101 |
| Octal (base 8) | 217425 |
| Hexadecimal (base 16) | 11F15 |
| Base 3 | 10201210222 |
| As time | 73493 seconds = 20 h 24 min 53 s |
Is 73493 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 1) | 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 | Yes (73493 ÷ 7 = 10499) | 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 8) | 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 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73493 a prime number?
No. 73493 = 7 × 10499, so it is divisible by 7.
What are the factors of 73493?
1, 7, 10499, 73493.
What is 73493 in binary?
10001111100010101 (hexadecimal 11F15, octal 217425).
What is the square root of 73493?
About 271.0959.
Is 73493 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 73493?
73493 is a semiprime: 7 × 10499, the product of two primes.