The number 35990
35990 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 59 × 61. Divisors (16): 1, 2, 5, 10, 59, 61, 118, 122, 295, 305, 590, 610, 3599, 7198, 17995, 35990.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
35990 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
35990 is composite. Its prime factorisation is
- 3
The divisors add up to 66960; without 35990 itself that is 30970, so 35990 is deficient (30970 is less than 35990). Euler's totient φ(35990) = 13920 numbers up to 35990 share no factor with it.
- 4
The digits of 35990 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 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35990 = 2 \times 5 \times 59 \times 61 \]
35990 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 66960 |
| Euler totient φ(n) | 13920 |
| Square | 1295280100 |
| Cube | 46617130799000 |
| Square root | 189.710305 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 49 |
| Scientific notation | 3.599 × |
35990 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand nine hundred and ninety |
| Binary (base 2) | 1000110010010110 |
| Octal (base 8) | 106226 |
| Hexadecimal (base 16) | 8C96 |
| Base 3 | 1211100222 |
| As time | 35990 seconds = 9 h 59 min 50 s |
Is 35990 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (35990 ÷ 2 = 17995) | 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 (35990 ÷ 5 = 7198) | 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 | 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 (35990 ÷ 10 = 3599) | 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 35990 a prime number?
No. 35990 = 2 × 5 × 59 × 61, so it is divisible by 2.
What are the factors of 35990?
1, 2, 5, 10, 59, 61, 118, 122, 295, 305, 590, 610, 3599, 7198, 17995, 35990.
What is 35990 in binary?
1000110010010110 (hexadecimal 8C96, octal 106226).
What is the square root of 35990?
About 189.7103.
Is 35990 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 35990?
It is a composite number with 16 divisors.