4000
4,000 is an even composite number composed of two prime numbers multiplied together.
4000 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twentyfour divisors.
Prime factorization of 4000:
2^{5} × 5^{3}
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5)See below for interesting mathematical facts about the number 4000 from the Numbermatics database.
Names of 4000
 Cardinal: 4000 can be written as Four thousand.
Scientific notation
 Scientific notation: 4 × 10^{3}
Factors of 4000
Divisors of 4000
Bases of 4000
 Binary: 111110100000_{2}
 Hexadecimal: 0xFA0
 Base36: 334
Squares and roots of 4000
 4000 squared (4000^{2}) is 16000000
 4000 cubed (4000^{3}) is 64000000000

The
square root of 4000 is 63.2455532033 
The
cube root of 4000 is 15.8740105197
Scales and comparisons
How big is 4000? 4,000 seconds is equal to 1 hour, 6 minutes, 40 seconds.

To count from 1 to 4,000 would take you about six 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 randomlychosen 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 4000 cubic inches would be around 1.3 feet tall.
Recreational maths with 4000
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The information we have on file for 4000 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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