The number 67670
67670 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 67 × 101. Divisors (16): 1, 2, 5, 10, 67, 101, 134, 202, 335, 505, 670, 1010, 6767, 13534, 33835, 67670.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67670 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67670 is composite. Its prime factorisation is
- 3
The divisors add up to 124848; without 67670 itself that is 57178, so 67670 is deficient (57178 is less than 67670). Euler's totient φ(67670) = 26400 numbers up to 67670 share no factor with it.
- 4
The digits of 67670 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 60 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67670 = 2 \times 5 \times 67 \times 101 \]
67670 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 124848 |
| Euler totient φ(n) | 26400 |
| Square | 4579228900 |
| Cube | 309876419663000 |
| Square root | 260.134581 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 60 |
| Scientific notation | 6.767 × |
67670 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand six hundred and seventy |
| Binary (base 2) | 10000100001010110 |
| Octal (base 8) | 204126 |
| Hexadecimal (base 16) | 10856 |
| Base 3 | 10102211022 |
| As time | 67670 seconds = 18 h 47 min 50 s |
Is 67670 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67670 ÷ 2 = 33835) | 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 (67670 ÷ 5 = 13534) | 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 1) | 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 6) | 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 | Yes (67670 ÷ 10 = 6767) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67670 a prime number?
No. 67670 = 2 × 5 × 67 × 101, so it is divisible by 2.
What are the factors of 67670?
1, 2, 5, 10, 67, 101, 134, 202, 335, 505, 670, 1010, 6767, 13534, 33835, 67670.
What is 67670 in binary?
10000100001010110 (hexadecimal 10856, octal 204126).
What is the square root of 67670?
About 260.1346.
Is 67670 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 67670?
It is a composite number with 16 divisors.