The number 49970
49970 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 19 × 263. Divisors (16): 1, 2, 5, 10, 19, 38, 95, 190, 263, 526, 1315, 2630, 4997, 9994, 24985, 49970.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49970 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49970 is composite. Its prime factorisation is
- 3
The divisors add up to 95040; without 49970 itself that is 45070, so 49970 is deficient (45070 is less than 49970). Euler's totient φ(49970) = 18864 numbers up to 49970 share no factor with it.
- 4
The digits of 49970 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49970 = 2 \times 5 \times 19 \times 263 \]
49970 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 95040 |
| Euler totient φ(n) | 18864 |
| Square | 2497000900 |
| Cube | 124775134973000 |
| Square root | 223.539706 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.997 × |
49970 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand nine hundred and seventy |
| Binary (base 2) | 1100001100110010 |
| Octal (base 8) | 141462 |
| Hexadecimal (base 16) | C332 |
| Base 3 | 2112112202 |
| As time | 49970 seconds = 13 h 52 min 50 s |
Is 49970 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49970 ÷ 2 = 24985) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (49970 ÷ 5 = 9994) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (49970 ÷ 10 = 4997) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49970 a prime number?
No. 49970 = 2 × 5 × 19 × 263, so it is divisible by 2.
What are the factors of 49970?
1, 2, 5, 10, 19, 38, 95, 190, 263, 526, 1315, 2630, 4997, 9994, 24985, 49970.
What is 49970 in binary?
1100001100110010 (hexadecimal C332, octal 141462).
What is the square root of 49970?
About 223.5397.
Is 49970 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 49970?
It is a composite number with 16 divisors.