The number 49969
49969 is a composite number with 4 divisors. Its prime factorisation is 107 × 467. Divisors (4): 1, 107, 467, 49969.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49969: a semiprime: 107 × 467, the product of two primes.
- 2
49969 is composite. Its prime factorisation is
- 3
The divisors add up to 50544; without 49969 itself that is 575, so 49969 is deficient (575 is less than 49969). Euler's totient φ(49969) = 49396 numbers up to 49969 share no factor with it.
- 4
The digits of 49969 add up to 37, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49969 = 107 \times 467 \]
49969 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50544 |
| Euler totient φ(n) | 49396 |
| Square | 2496900961 |
| Cube | 124767644120209 |
| Square root | 223.537469 |
| Digit sum / digital root | 37 / 1 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.9969 × |
49969 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand nine hundred and sixty-nine |
| Binary (base 2) | 1100001100110001 |
| Octal (base 8) | 141461 |
| Hexadecimal (base 16) | C331 |
| Base 3 | 2112112201 |
| As time | 49969 seconds = 13 h 52 min 49 s |
Is 49969 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 3) | 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 1) | 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 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49969 a prime number?
No. 49969 = 107 × 467, so it is divisible by 107.
What are the factors of 49969?
1, 107, 467, 49969.
What is 49969 in binary?
1100001100110001 (hexadecimal C331, octal 141461).
What is the square root of 49969?
About 223.5375.
Is 49969 divisible by 3?
No. Its digits add up to 37, which is not a multiple of 3.
What is special about the number 49969?
49969 is a semiprime: 107 × 467, the product of two primes.