The number 74162
74162 is a composite number with 8 divisors. Its prime factorisation is 2 × 11 × 3371. Divisors (8): 1, 2, 11, 22, 3371, 6742, 37081, 74162.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
74162 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
74162 is composite. Its prime factorisation is
- 3
The divisors add up to 121392; without 74162 itself that is 47230, so 74162 is deficient (47230 is less than 74162). Euler's totient φ(74162) = 33700 numbers up to 74162 share no factor with it.
- 4
The digits of 74162 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 94 steps to reach 1.
LaTeX source of the formulas on this page
\[ 74162 = 2 \times 11 \times 3371 \]
74162 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 121392 |
| Euler totient φ(n) | 33700 |
| Square | 5500002244 |
| Cube | 407891166419528 |
| Square root | 272.327009 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 94 |
| Scientific notation | 7.4162 × |
74162 in other forms
| Form | Value |
|---|---|
| In words | seventy-four thousand one hundred and sixty-two |
| Binary (base 2) | 10010000110110010 |
| Octal (base 8) | 220662 |
| Hexadecimal (base 16) | 121B2 |
| Base 3 | 10202201202 |
| As time | 74162 seconds = 20 h 36 min 2 s |
Is 74162 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (74162 ÷ 2 = 37081) | 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 2) | 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 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (74162 ÷ 11 = 6742) | 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 74162 a prime number?
No. 74162 = 2 × 11 × 3371, so it is divisible by 2.
What are the factors of 74162?
1, 2, 11, 22, 3371, 6742, 37081, 74162.
What is 74162 in binary?
10010000110110010 (hexadecimal 121B2, octal 220662).
What is the square root of 74162?
About 272.3270.
Is 74162 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 74162?
It is a composite number with 8 divisors.