84
84 is an even composite number composed of three prime numbers multiplied together.
84 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 84:
22 × 3 × 7
(2 × 2 × 3 × 7)See below for interesting mathematical facts about the number 84 from the Numbermatics database.
Names of 84
- Cardinal: 84 can be written as Eighty-four.
Scientific notation
- Scientific notation: 8.4 × 101
Factors of 84
Divisors of 84
Bases of 84
- Binary: 10101002
- Hexadecimal: 0x54
- Base-36: 2C
Squares and roots of 84
Scales and comparisons
How big is 84?- 84 seconds is equal to 1 minute, 24 seconds.
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To count from 1 to 84 would take you about forty-two seconds.
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 84 cubic inches would be around 0.4 feet tall.
Recreational maths with 84
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The information we have on file for 84 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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