13640
13,640 is an even composite number composed of four prime numbers multiplied together.
13640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.
Prime factorization of 13640:
23 × 5 × 11 × 31
(2 × 2 × 2 × 5 × 11 × 31)See below for interesting mathematical facts about the number 13640 from the Numbermatics database.
Names of 13640
- Cardinal: 13640 can be written as Thirteen thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.364 × 104
Factors of 13640
Divisors of 13640
Bases of 13640
- Binary: 110101010010002
- Hexadecimal: 0x3548
- Base-36: AIW
Squares and roots of 13640
- 13640 squared (136402) is 186049600
- 13640 cubed (136403) is 2537716544000
-
The
square root of 13640 is 116.7904105653 -
The
cube root of 13640 is 23.8930425647
Scales and comparisons
How big is 13640?- 13,640 seconds is equal to 3 hours, 47 minutes, 20 seconds.
-
To count from 1 to 13,640 would take you about three 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 13640 cubic inches would be around 2 feet tall.
Recreational maths with 13640
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