The number 76994
76994 is a composite number with 8 divisors. Its prime factorisation is 2 × 137 × 281. Divisors (8): 1, 2, 137, 274, 281, 562, 38497, 76994.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 76994: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
76994 is composite. Its prime factorisation is
- 3
The divisors add up to 116748; without 76994 itself that is 39754, so 76994 is deficient (39754 is less than 76994). Euler's totient φ(76994) = 38080 numbers up to 76994 share no factor with it.
- 4
The digits of 76994 add up to 35, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 50 steps to reach 1.
LaTeX source of the formulas on this page
\[ 76994 = 2 \times 137 \times 281 \]
76994 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 116748 |
| Euler totient φ(n) | 38080 |
| Square | 5928076036 |
| Cube | 456426286315784 |
| Square root | 277.477927 |
| Digit sum / digital root | 35 / 8 |
| Collatz steps to 1 | 50 |
| Scientific notation | 7.6994 × |
76994 in other forms
| Form | Value |
|---|---|
| In words | seventy-six thousand nine hundred and ninety-four |
| Binary (base 2) | 10010110011000010 |
| Octal (base 8) | 226302 |
| Hexadecimal (base 16) | 12CC2 |
| Base 3 | 10220121122 |
| As time | 76994 seconds = 21 h 23 min 14 s |
Is 76994 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (76994 ÷ 2 = 38497) | 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 | No (remainder 4) | 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 2) | 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 | No (remainder 4) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 76994 a prime number?
No. 76994 = 2 × 137 × 281, so it is divisible by 2.
What are the factors of 76994?
1, 2, 137, 274, 281, 562, 38497, 76994.
What is 76994 in binary?
10010110011000010 (hexadecimal 12CC2, octal 226302).
What is the square root of 76994?
About 277.4779.
Is 76994 divisible by 3?
No. Its digits add up to 35, which is not a multiple of 3.
What is special about the number 76994?
76994 is a happy number: repeatedly adding the squares of its digits reaches 1.