The number 39950
39950 is a composite number with 24 divisors. Its prime factorisation is 2 × × 17 × 47. Divisors (24): 1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 799 … 39950.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
39950 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
39950 is composite. Its prime factorisation is
- 3
The divisors add up to 80352; without 39950 itself that is 40402, so 39950 is abundant (40402 is more than 39950). Euler's totient φ(39950) = 14720 numbers up to 39950 share no factor with it.
- 4
The digits of 39950 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 168 steps to reach 1.
LaTeX source of the formulas on this page
\[ 39950 = 2 \times 5^{2} \times 17 \times 47 \]39950 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 80352 |
| Euler totient φ(n) | 14720 |
| Square | 1596002500 |
| Cube | 63760299875000 |
| Square root | 199.874961 (= 5√1598) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 168 |
| Scientific notation | 3.995 × |
39950 in other forms
| Form | Value |
|---|---|
| In words | thirty-nine thousand nine hundred and fifty |
| Binary (base 2) | 1001110000001110 |
| Octal (base 8) | 116016 |
| Hexadecimal (base 16) | 9C0E |
| Base 3 | 2000210122 |
| As time | 39950 seconds = 11 h 5 min 50 s |
Is 39950 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (39950 ÷ 2 = 19975) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (39950 ÷ 5 = 7990) | 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 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 6) | 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 | Yes (39950 ÷ 10 = 3995) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 39950 a prime number?
No. 39950 = 2 × × 17 × 47, so it is divisible by 2.
What are the factors of 39950?
1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 799, 850, 1175, 1598, 2350, 3995, 7990, 19975, 39950.
What is 39950 in binary?
1001110000001110 (hexadecimal 9C0E, octal 116016).
What is the square root of 39950?
About 199.8750, exactly 5√1598.
Is 39950 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 39950?
It is a composite number with 24 divisors.