The number 33249
33249 is a composite number with 4 divisors. Its prime factorisation is 3 × 11083. Divisors (4): 1, 3, 11083, 33249.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 33249: a semiprime: 3 × 11083, the product of two primes.
- 2
33249 is composite. Its prime factorisation is
- 3
The divisors add up to 44336; without 33249 itself that is 11087, so 33249 is deficient (11087 is less than 33249). Euler's totient φ(33249) = 22164 numbers up to 33249 share no factor with it.
- 4
The digits of 33249 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 116 steps to reach 1.
LaTeX source of the formulas on this page
\[ 33249 = 3 \times 11083 \]
33249 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 44336 |
| Euler totient φ(n) | 22164 |
| Square | 1105496001 |
| Cube | 36756636537249 |
| Square root | 182.343083 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 116 |
| Scientific notation | 3.3249 × |
33249 in other forms
| Form | Value |
|---|---|
| In words | thirty-three thousand two hundred and forty-nine |
| Binary (base 2) | 1000000111100001 |
| Octal (base 8) | 100741 |
| Hexadecimal (base 16) | 81E1 |
| Base 3 | 1200121110 |
| As time | 33249 seconds = 9 h 14 min 9 s |
Is 33249 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 (33249 ÷ 3 = 11083) | 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 6) | 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 1) | 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 7) | 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 33249 a prime number?
No. 33249 = 3 × 11083, so it is divisible by 3.
What are the factors of 33249?
1, 3, 11083, 33249.
What is 33249 in binary?
1000000111100001 (hexadecimal 81E1, octal 100741).
What is the square root of 33249?
About 182.3431.
Is 33249 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 33249?
33249 is a semiprime: 3 × 11083, the product of two primes.