The number 40339
40339 is a composite number with 8 divisors. Its prime factorisation is 13 × 29 × 107. Divisors (8): 1, 13, 29, 107, 377, 1391, 3103, 40339.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40339 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40339 is composite. Its prime factorisation is
- 3
The divisors add up to 45360; without 40339 itself that is 5021, so 40339 is deficient (5021 is less than 40339). Euler's totient φ(40339) = 35616 numbers up to 40339 share no factor with it.
- 4
The digits of 40339 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 88 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40339 = 13 \times 29 \times 107 \]
40339 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 45360 |
| Euler totient φ(n) | 35616 |
| Square | 1627234921 |
| Cube | 65641029478219 |
| Square root | 200.845712 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 88 |
| Scientific notation | 4.0339 × |
40339 in other forms
| Form | Value |
|---|---|
| In words | forty thousand three hundred and thirty-nine |
| Binary (base 2) | 1001110110010011 |
| Octal (base 8) | 116623 |
| Hexadecimal (base 16) | 9D93 |
| Base 3 | 2001100001 |
| As time | 40339 seconds = 11 h 12 min 19 s |
Is 40339 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 1) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 | No (remainder 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40339 a prime number?
No. 40339 = 13 × 29 × 107, so it is divisible by 13.
What are the factors of 40339?
1, 13, 29, 107, 377, 1391, 3103, 40339.
What is 40339 in binary?
1001110110010011 (hexadecimal 9D93, octal 116623).
What is the square root of 40339?
About 200.8457.
Is 40339 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 40339?
It is a composite number with 8 divisors.