The number 40673
40673 is a composite number with 4 divisors. Its prime factorisation is 89 × 457. Divisors (4): 1, 89, 457, 40673.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 40673: a semiprime: 89 × 457, the product of two primes.
- 2
40673 is composite. Its prime factorisation is
- 3
The divisors add up to 41220; without 40673 itself that is 547, so 40673 is deficient (547 is less than 40673). Euler's totient φ(40673) = 40128 numbers up to 40673 share no factor with it.
- 4
The digits of 40673 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 62 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40673 = 89 \times 457 \]
40673 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41220 |
| Euler totient φ(n) | 40128 |
| Square | 1654292929 |
| Cube | 67285056301217 |
| Square root | 201.675482 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 62 |
| Scientific notation | 4.0673 × |
40673 in other forms
| Form | Value |
|---|---|
| In words | forty thousand six hundred and seventy-three |
| Binary (base 2) | 1001111011100001 |
| Octal (base 8) | 117341 |
| Hexadecimal (base 16) | 9EE1 |
| Base 3 | 2001210102 |
| As time | 40673 seconds = 11 h 17 min 53 s |
Is 40673 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 | 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 1) | 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 | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40673 a prime number?
No. 40673 = 89 × 457, so it is divisible by 89.
What are the factors of 40673?
1, 89, 457, 40673.
What is 40673 in binary?
1001111011100001 (hexadecimal 9EE1, octal 117341).
What is the square root of 40673?
About 201.6755.
Is 40673 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 40673?
40673 is a semiprime: 89 × 457, the product of two primes.