The number 40136
40136 is a composite number with 16 divisors. Its prime factorisation is × 29 × 173. Divisors (16): 1, 2, 4, 8, 29, 58, 116, 173, 232, 346, 692, 1384, 5017, 10034, 20068, 40136.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40136 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40136 is composite. Its prime factorisation is
- 3
The divisors add up to 78300; without 40136 itself that is 38164, so 40136 is deficient (38164 is less than 40136). Euler's totient φ(40136) = 19264 numbers up to 40136 share no factor with it.
- 4
The digits of 40136 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 44 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40136 = 2^{3} \times 29 \times 173 \]40136 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 78300 |
| Euler totient φ(n) | 19264 |
| Square | 1610898496 |
| Cube | 64655022035456 |
| Square root | 200.339711 (= 2√10034) |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 44 |
| Scientific notation | 4.0136 × |
40136 in other forms
| Form | Value |
|---|---|
| In words | forty thousand one hundred and thirty-six |
| Binary (base 2) | 1001110011001000 |
| Octal (base 8) | 116310 |
| Hexadecimal (base 16) | 9CC8 |
| Base 3 | 2001001112 |
| As time | 40136 seconds = 11 h 8 min 56 s |
Is 40136 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40136 ÷ 2 = 20068) | 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 | Yes (40136 ÷ 4 = 10034) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 5) | 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 | Yes (40136 ÷ 8 = 5017) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40136 a prime number?
No. 40136 = × 29 × 173, so it is divisible by 2.
What are the factors of 40136?
1, 2, 4, 8, 29, 58, 116, 173, 232, 346, 692, 1384, 5017, 10034, 20068, 40136.
What is 40136 in binary?
1001110011001000 (hexadecimal 9CC8, octal 116310).
What is the square root of 40136?
About 200.3397, exactly 2√10034.
Is 40136 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 40136?
It is a composite number with 16 divisors.