The number 35989
35989 is a composite number with 8 divisors. Its prime factorisation is 17 × 29 × 73. Divisors (8): 1, 17, 29, 73, 493, 1241, 2117, 35989.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
35989 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
35989 is composite. Its prime factorisation is
- 3
The divisors add up to 39960; without 35989 itself that is 3971, so 35989 is deficient (3971 is less than 35989). Euler's totient φ(35989) = 32256 numbers up to 35989 share no factor with it.
- 4
The digits of 35989 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35989 = 17 \times 29 \times 73 \]
35989 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 39960 |
| Euler totient φ(n) | 32256 |
| Square | 1295208121 |
| Cube | 46613245066669 |
| Square root | 189.707670 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 49 |
| Scientific notation | 3.5989 × |
35989 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand nine hundred and eighty-nine |
| Binary (base 2) | 1000110010010101 |
| Octal (base 8) | 106225 |
| Hexadecimal (base 16) | 8C95 |
| Base 3 | 1211100221 |
| As time | 35989 seconds = 9 h 59 min 49 s |
Is 35989 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 7) | 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 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 35989 a prime number?
No. 35989 = 17 × 29 × 73, so it is divisible by 17.
What are the factors of 35989?
1, 17, 29, 73, 493, 1241, 2117, 35989.
What is 35989 in binary?
1000110010010101 (hexadecimal 8C95, octal 106225).
What is the square root of 35989?
About 189.7077.
Is 35989 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 35989?
It is a composite number with 8 divisors.