The number 40173
40173 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 1913. Divisors (8): 1, 3, 7, 21, 1913, 5739, 13391, 40173.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40173 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40173 is composite. Its prime factorisation is
- 3
The divisors add up to 61248; without 40173 itself that is 21075, so 40173 is deficient (21075 is less than 40173). Euler's totient φ(40173) = 22944 numbers up to 40173 share no factor with it.
- 4
The digits of 40173 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 44 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40173 = 3 \times 7 \times 1913 \]
40173 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 61248 |
| Euler totient φ(n) | 22944 |
| Square | 1613869929 |
| Cube | 64833996657717 |
| Square root | 200.432033 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 44 |
| Scientific notation | 4.0173 × |
40173 in other forms
| Form | Value |
|---|---|
| In words | forty thousand one hundred and seventy-three |
| Binary (base 2) | 1001110011101101 |
| Octal (base 8) | 116355 |
| Hexadecimal (base 16) | 9CED |
| Base 3 | 2001002220 |
| As time | 40173 seconds = 11 h 9 min 33 s |
Is 40173 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 (40173 ÷ 3 = 13391) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (40173 ÷ 7 = 5739) | 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 6) | 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 1) | 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 40173 a prime number?
No. 40173 = 3 × 7 × 1913, so it is divisible by 3.
What are the factors of 40173?
1, 3, 7, 21, 1913, 5739, 13391, 40173.
What is 40173 in binary?
1001110011101101 (hexadecimal 9CED, octal 116355).
What is the square root of 40173?
About 200.4320.
Is 40173 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 40173?
It is a composite number with 8 divisors.