The number 74150
74150 is a composite number with 12 divisors. Its prime factorisation is 2 × × 1483. Divisors (12): 1, 2, 5, 10, 25, 50, 1483, 2966, 7415, 14830, 37075, 74150.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 74150: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
74150 is composite. Its prime factorisation is
- 3
The divisors add up to 138012; without 74150 itself that is 63862, so 74150 is deficient (63862 is less than 74150). Euler's totient φ(74150) = 29640 numbers up to 74150 share no factor with it.
- 4
The digits of 74150 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 117 steps to reach 1.
LaTeX source of the formulas on this page
\[ 74150 = 2 \times 5^{2} \times 1483 \]74150 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 138012 |
| Euler totient φ(n) | 29640 |
| Square | 5498222500 |
| Cube | 407693198375000 |
| Square root | 272.304976 (= 5√2966) |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 117 |
| Scientific notation | 7.415 × |
74150 in other forms
| Form | Value |
|---|---|
| In words | seventy-four thousand one hundred and fifty |
| Binary (base 2) | 10010000110100110 |
| Octal (base 8) | 220646 |
| Hexadecimal (base 16) | 121A6 |
| Base 3 | 10202201022 |
| As time | 74150 seconds = 20 h 35 min 50 s |
Is 74150 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (74150 ÷ 2 = 37075) | 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 (74150 ÷ 5 = 14830) | 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 6) | 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 (74150 ÷ 10 = 7415) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 74150 a prime number?
No. 74150 = 2 × × 1483, so it is divisible by 2.
What are the factors of 74150?
1, 2, 5, 10, 25, 50, 1483, 2966, 7415, 14830, 37075, 74150.
What is 74150 in binary?
10010000110100110 (hexadecimal 121A6, octal 220646).
What is the square root of 74150?
About 272.3050, exactly 5√2966.
Is 74150 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 74150?
74150 is a happy number: repeatedly adding the squares of its digits reaches 1.