The number 44009
44009 is a composite number with 4 divisors. Its prime factorisation is 7 × 6287. Divisors (4): 1, 7, 6287, 44009.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 44009: a semiprime: 7 × 6287, the product of two primes.
- 2
44009 is composite. Its prime factorisation is
- 3
The divisors add up to 50304; without 44009 itself that is 6295, so 44009 is deficient (6295 is less than 44009). Euler's totient φ(44009) = 37716 numbers up to 44009 share no factor with it.
- 4
The digits of 44009 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 75 steps to reach 1.
LaTeX source of the formulas on this page
\[ 44009 = 7 \times 6287 \]
44009 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50304 |
| Euler totient φ(n) | 37716 |
| Square | 1936792081 |
| Cube | 85236282692729 |
| Square root | 209.783221 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 75 |
| Scientific notation | 4.4009 × |
44009 in other forms
| Form | Value |
|---|---|
| In words | forty-four thousand and nine |
| Binary (base 2) | 1010101111101001 |
| Octal (base 8) | 125751 |
| Hexadecimal (base 16) | ABE9 |
| Base 3 | 2020100222 |
| As time | 44009 seconds = 12 h 13 min 29 s |
Is 44009 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 2) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (44009 ÷ 7 = 6287) | 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 8) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 44009 a prime number?
No. 44009 = 7 × 6287, so it is divisible by 7.
What are the factors of 44009?
1, 7, 6287, 44009.
What is 44009 in binary?
1010101111101001 (hexadecimal ABE9, octal 125751).
What is the square root of 44009?
About 209.7832.
Is 44009 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 44009?
44009 is a semiprime: 7 × 6287, the product of two primes.