The number 44421
44421 is a composite number with 16 divisors. Its prime factorisation is 3 × 13 × 17 × 67. Divisors (16): 1, 3, 13, 17, 39, 51, 67, 201, 221, 663, 871, 1139, 2613, 3417, 14807, 44421.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
44421 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
44421 is composite. Its prime factorisation is
- 3
The divisors add up to 68544; without 44421 itself that is 24123, so 44421 is deficient (24123 is less than 44421). Euler's totient φ(44421) = 25344 numbers up to 44421 share no factor with it.
- 4
The digits of 44421 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 194 steps to reach 1.
LaTeX source of the formulas on this page
\[ 44421 = 3 \times 13 \times 17 \times 67 \]
44421 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 68544 |
| Euler totient φ(n) | 25344 |
| Square | 1973225241 |
| Cube | 87652638430461 |
| Square root | 210.762900 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 194 |
| Scientific notation | 4.4421 × |
44421 in other forms
| Form | Value |
|---|---|
| In words | forty-four thousand four hundred and twenty-one |
| Binary (base 2) | 1010110110000101 |
| Octal (base 8) | 126605 |
| Hexadecimal (base 16) | AD85 |
| Base 3 | 2020221020 |
| As time | 44421 seconds = 12 h 20 min 21 s |
Is 44421 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 (44421 ÷ 3 = 14807) | 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 1) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | 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 44421 a prime number?
No. 44421 = 3 × 13 × 17 × 67, so it is divisible by 3.
What are the factors of 44421?
1, 3, 13, 17, 39, 51, 67, 201, 221, 663, 871, 1139, 2613, 3417, 14807, 44421.
What is 44421 in binary?
1010110110000101 (hexadecimal AD85, octal 126605).
What is the square root of 44421?
About 210.7629.
Is 44421 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 44421?
It is a composite number with 16 divisors.