The number 44401
44401 is a composite number with 4 divisors. Its prime factorisation is 7 × 6343. Divisors (4): 1, 7, 6343, 44401.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 44401: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 7 × 6343, the product of two primes.
- 2
44401 is composite. Its prime factorisation is
- 3
The divisors add up to 50752; without 44401 itself that is 6351, so 44401 is deficient (6351 is less than 44401). Euler's totient φ(44401) = 38052 numbers up to 44401 share no factor with it.
- 4
The digits of 44401 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 44401 = 7 \times 6343 \]
44401 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50752 |
| Euler totient φ(n) | 38052 |
| Square | 1971448801 |
| Cube | 87534298213201 |
| Square root | 210.715448 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.4401 × |
44401 in other forms
| Form | Value |
|---|---|
| In words | forty-four thousand four hundred and one |
| Binary (base 2) | 1010110101110001 |
| Octal (base 8) | 126561 |
| Hexadecimal (base 16) | AD71 |
| Base 3 | 2020220111 |
| As time | 44401 seconds = 12 h 20 min 1 s |
Is 44401 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 1) | 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 | Yes (44401 ÷ 7 = 6343) | 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 4) | 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 5) | 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 44401 a prime number?
No. 44401 = 7 × 6343, so it is divisible by 7.
What are the factors of 44401?
1, 7, 6343, 44401.
What is 44401 in binary?
1010110101110001 (hexadecimal AD71, octal 126561).
What is the square root of 44401?
About 210.7154.
Is 44401 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 44401?
44401 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 7 × 6343, the product of two primes.