6640
6,640 is an even composite number composed of three prime numbers multiplied together.
6640 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.
Prime factorization of 6640:
24 × 5 × 83
(2 × 2 × 2 × 2 × 5 × 83)See below for interesting mathematical facts about the number 6640 from the Numbermatics database.
Names of 6640
- Cardinal: 6640 can be written as Six thousand, six hundred forty.
Scientific notation
- Scientific notation: 6.64 × 103
Factors of 6640
Divisors of 6640
Bases of 6640
- Binary: 11001111100002
- Hexadecimal: 0x19F0
- Base-36: 54G
Squares and roots of 6640
- 6640 squared (66402) is 44089600
- 6640 cubed (66403) is 292754944000
-
The
square root of 6640 is 81.4861951499 -
The
cube root of 6640 is 18.7955927499
Scales and comparisons
How big is 6640?- 6,640 seconds is equal to 1 hour, 50 minutes, 40 seconds.
-
To count from 1 to 6,640 would take you about fifty minutes.
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 6640 cubic inches would be around 1.6 feet tall.
Recreational maths with 6640
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