The number 40067
40067 is a composite number with 4 divisors. Its prime factorisation is 103 × 389. Divisors (4): 1, 103, 389, 40067.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 40067: a semiprime: 103 × 389, the product of two primes.
- 2
40067 is composite. Its prime factorisation is
- 3
The divisors add up to 40560; without 40067 itself that is 493, so 40067 is deficient (493 is less than 40067). Euler's totient φ(40067) = 39576 numbers up to 40067 share no factor with it.
- 4
The digits of 40067 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 93 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40067 = 103 \times 389 \]
40067 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 40560 |
| Euler totient φ(n) | 39576 |
| Square | 1605364489 |
| Cube | 64322138980763 |
| Square root | 200.167430 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 93 |
| Scientific notation | 4.0067 × |
40067 in other forms
| Form | Value |
|---|---|
| In words | forty thousand and sixty-seven |
| Binary (base 2) | 1001110010000011 |
| Octal (base 8) | 116203 |
| Hexadecimal (base 16) | 9C83 |
| Base 3 | 2000221222 |
| As time | 40067 seconds = 11 h 7 min 47 s |
Is 40067 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | 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 6) | 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 3) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40067 a prime number?
No. 40067 = 103 × 389, so it is divisible by 103.
What are the factors of 40067?
1, 103, 389, 40067.
What is 40067 in binary?
1001110010000011 (hexadecimal 9C83, octal 116203).
What is the square root of 40067?
About 200.1674.
Is 40067 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 40067?
40067 is a semiprime: 103 × 389, the product of two primes.