18140
18,140 is an even composite number composed of three prime numbers multiplied together.
18140 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.
Prime factorization of 18140:
22 × 5 × 907
(2 × 2 × 5 × 907)See below for interesting mathematical facts about the number 18140 from the Numbermatics database.
Names of 18140
- Cardinal: 18140 can be written as Eighteen thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.814 × 104
Factors of 18140
Divisors of 18140
Bases of 18140
- Binary: 1000110110111002
- Hexadecimal: 0x46DC
- Base-36: DZW
Squares and roots of 18140
- 18140 squared (181402) is 329059600
- 18140 cubed (181403) is 5969141144000
-
The
square root of 18140 is 134.6848172585 -
The
cube root of 18140 is 26.2751836923
Scales and comparisons
How big is 18140?- 18,140 seconds is equal to 5 hours, 2 minutes, 20 seconds.
-
To count from 1 to 18,140 would take you about five hours.
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 18140 cubic inches would be around 2.2 feet tall.
Recreational maths with 18140
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