The number 40629
40629 is a composite number with 8 divisors. Its prime factorisation is 3 × 29 × 467. Divisors (8): 1, 3, 29, 87, 467, 1401, 13543, 40629.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40629 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40629 is composite. Its prime factorisation is
- 3
The divisors add up to 56160; without 40629 itself that is 15531, so 40629 is deficient (15531 is less than 40629). Euler's totient φ(40629) = 26096 numbers up to 40629 share no factor with it.
- 4
The digits of 40629 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 181 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40629 = 3 \times 29 \times 467 \]
40629 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 56160 |
| Euler totient φ(n) | 26096 |
| Square | 1650715641 |
| Cube | 67066925778189 |
| Square root | 201.566366 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 181 |
| Scientific notation | 4.0629 × |
40629 in other forms
| Form | Value |
|---|---|
| In words | forty thousand six hundred and twenty-nine |
| Binary (base 2) | 1001111010110101 |
| Octal (base 8) | 117265 |
| Hexadecimal (base 16) | 9EB5 |
| Base 3 | 2001201210 |
| As time | 40629 seconds = 11 h 17 min 9 s |
Is 40629 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 (40629 ÷ 3 = 13543) | 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 4) | 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 | No (remainder 1) | 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 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40629 a prime number?
No. 40629 = 3 × 29 × 467, so it is divisible by 3.
What are the factors of 40629?
1, 3, 29, 87, 467, 1401, 13543, 40629.
What is 40629 in binary?
1001111010110101 (hexadecimal 9EB5, octal 117265).
What is the square root of 40629?
About 201.5664.
Is 40629 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 40629?
It is a composite number with 8 divisors.