1681
1,681 is an odd composite number. It is composed of a single prime number multiplied by itself.
1681 is an odd composite number. It has a total of three divisors.
Prime factorization of 1681:
41^{2}
(41 × 41)See below for interesting mathematical facts about the number 1681 from the Numbermatics database.
Names of 1681
 Cardinal: 1681 can be written as One thousand, six hundred eightyone.
Scientific notation
 Scientific notation: 1.681 × 10^{3}
Factors of 1681
Divisors of 1681
Bases of 1681
 Binary: 11010010001_{2}
 Hexadecimal: 0x691
 Base36: 1AP
Squares and roots of 1681
 1681 squared (1681^{2}) is 2825761
 1681 cubed (1681^{3}) is 4750104241

1681 is a
perfect square number . Itssquare root is 41 
The
cube root of 1681 is 11.8902021369
Scales and comparisons
How big is 1681? 1,681 seconds is equal to 28 minutes, 1 second.

To count from 1 to 1,681 would take you about twentyeight 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 1681 cubic inches would be around 1 feet tall.
Recreational maths with 1681
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The information we have on file for 1681 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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