Divisors of the Positive Integer 40
1, 2, 4, 5, 8, 10, 20, 40Sum of all the Divisors of 40, including itself
90Sum of the Proper Divisors of 40
50Properties of the number 40
The integer 40 is an even number.The integer 40 is a Composite number.
50 is greater than 40, so 40 is an abundant number.
The number 40 as a Roman Numeral
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The number 40 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101000 |
| 3: | 1111 |
| 4: | 220 |
| 5: | 130 |
| 6: | 104 |
| 7: | 55 |
| 8: | 50 |
| 9: | 44 |
| 10: | 40 |
| 11: | 37 |
| 12: | 34 |
| 13: | 31 |
| 14: | 2C |
| 15: | 2A |
| 16: | 28 |
| 17: | 26 |
| 18: | 24 |
| 19: | 22 |
| 20: | 20 |
| 21: | 1J |
| 22: | 1I |
| 23: | 1H |
| 24: | 1G |
| 25: | 1F |
| 26: | 1E |
| 27: | 1D |
| 28: | 1C |
| 29: | 1B |
| 30: | 1A |
| 31: | 19 |
| 32: | 18 |
| 33: | 17 |
| 34: | 16 |
| 35: | 15 |
| 36: | 14 |