648 is an even composite number composed of two prime numbers multiplied together.
648 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty divisors.
Prime factorization of 648:
23 × 34(2 × 2 × 2 × 3 × 3 × 3 × 3)
See below for interesting mathematical facts about the number 648 from the Numbermatics database.
Names of 648
- Cardinal: 648 can be written as Six hundred forty-eight.
- Scientific notation: 6.48 × 102
Factors of 648
Divisors of 648
Bases of 648
- Binary: 10100010002
- Hexadecimal: 0x288
- Base-36: I0
Squares and roots of 648
Scales and comparisonsHow big is 648?
- 648 seconds is equal to 10 minutes, 48 seconds.
To count from 1 to 648 would take you about five 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 648 cubic inches would be around 0.7 feet tall.
Recreational maths with 648
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"Number 648 - Facts about the integer". Numbermatics.com. 2023. Web. 30 March 2023.
Numbermatics. (2023). Number 648 - Facts about the integer. Retrieved 30 March 2023, from https://numbermatics.com/n/648/
Numbermatics. 2023. "Number 648 - Facts about the integer". https://numbermatics.com/n/648/
The information we have on file for 648 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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