The number 6790
6790 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 7 × 97. Divisors (16): 1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790.
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How to work it out
- 1
6790 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
6790 is composite. Its prime factorisation is
- 3
The divisors add up to 14112; without 6790 itself that is 7322, so 6790 is abundant (7322 is more than 6790). Euler's totient φ(6790) = 2304 numbers up to 6790 share no factor with it.
- 4
The digits of 6790 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 36 steps to reach 1.
LaTeX source of the formulas on this page
\[ 6790 = 2 \times 5 \times 7 \times 97 \]
6790 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 14112 |
| Euler totient φ(n) | 2304 |
| Square | 46104100 |
| Cube | 313046839000 |
| Square root | 82.401456 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 36 |
| Scientific notation | 6.79 × |
6790 in other forms
| Form | Value |
|---|---|
| In words | six thousand seven hundred and ninety |
| Binary (base 2) | 1101010000110 |
| Octal (base 8) | 15206 |
| Hexadecimal (base 16) | 1A86 |
| Base 3 | 100022111 |
| As time | 6790 seconds = 1 h 53 min 10 s |
Is 6790 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (6790 ÷ 2 = 3395) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (6790 ÷ 5 = 1358) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (6790 ÷ 7 = 970) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (6790 ÷ 10 = 679) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 6790 a prime number?
No. 6790 = 2 × 5 × 7 × 97, so it is divisible by 2.
What are the factors of 6790?
1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790.
What is 6790 in binary?
1101010000110 (hexadecimal 1A86, octal 15206).
What is the square root of 6790?
About 82.4015.
Is 6790 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 6790?
It is a composite number with 16 divisors.