The number 46139
46139 is a composite number with 8 divisors. Its prime factorisation is 29 × 37 × 43. Divisors (8): 1, 29, 37, 43, 1073, 1247, 1591, 46139.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
46139 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
46139 is composite. Its prime factorisation is
- 3
The divisors add up to 50160; without 46139 itself that is 4021, so 46139 is deficient (4021 is less than 46139). Euler's totient φ(46139) = 42336 numbers up to 46139 share no factor with it.
- 4
The digits of 46139 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 176 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46139 = 29 \times 37 \times 43 \]
46139 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 50160 |
| Euler totient φ(n) | 42336 |
| Square | 2128807321 |
| Cube | 98221040983619 |
| Square root | 214.799907 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 176 |
| Scientific notation | 4.6139 × |
46139 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand one hundred and thirty-nine |
| Binary (base 2) | 1011010000111011 |
| Octal (base 8) | 132073 |
| Hexadecimal (base 16) | B43B |
| Base 3 | 2100021212 |
| As time | 46139 seconds = 12 h 48 min 59 s |
Is 46139 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 3) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 46139 a prime number?
No. 46139 = 29 × 37 × 43, so it is divisible by 29.
What are the factors of 46139?
1, 29, 37, 43, 1073, 1247, 1591, 46139.
What is 46139 in binary?
1011010000111011 (hexadecimal B43B, octal 132073).
What is the square root of 46139?
About 214.7999.
Is 46139 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 46139?
It is a composite number with 8 divisors.