The number 41240
41240 is a composite number with 16 divisors. Its prime factorisation is × 5 × 1031. Divisors (16): 1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
41240 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
41240 is composite. Its prime factorisation is
- 3
The divisors add up to 92880; without 41240 itself that is 51640, so 41240 is abundant (51640 is more than 41240). Euler's totient φ(41240) = 16480 numbers up to 41240 share no factor with it.
- 4
The digits of 41240 add up to 11, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 31 steps to reach 1.
LaTeX source of the formulas on this page
\[ 41240 = 2^{3} \times 5 \times 1031 \]41240 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 92880 |
| Euler totient φ(n) | 16480 |
| Square | 1700737600 |
| Cube | 70138418624000 |
| Square root | 203.076340 (= 2√10310) |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 31 |
| Scientific notation | 4.124 × |
41240 in other forms
| Form | Value |
|---|---|
| In words | forty-one thousand two hundred and forty |
| Binary (base 2) | 1010000100011000 |
| Octal (base 8) | 120430 |
| Hexadecimal (base 16) | A118 |
| Base 3 | 2002120102 |
| As time | 41240 seconds = 11 h 27 min 20 s |
Is 41240 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (41240 ÷ 2 = 20620) | 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 (41240 ÷ 4 = 10310) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (41240 ÷ 5 = 8248) | 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 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 | Yes (41240 ÷ 8 = 5155) | 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 | Yes (41240 ÷ 10 = 4124) | 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 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 41240 a prime number?
No. 41240 = × 5 × 1031, so it is divisible by 2.
What are the factors of 41240?
1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240.
What is 41240 in binary?
1010000100011000 (hexadecimal A118, octal 120430).
What is the square root of 41240?
About 203.0763, exactly 2√10310.
Is 41240 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 41240?
It is a composite number with 16 divisors.