1,813 is an odd composite number composed of two prime numbers multiplied together.
1813 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.
Prime factorization of 1813:
72 × 37(7 × 7 × 37)
See below for interesting mathematical facts about the number 1813 from the Numbermatics database.
Names of 1813
- Cardinal: 1813 can be written as One thousand, eight hundred thirteen.
- Scientific notation: 1.813 × 103
Factors of 1813
Divisors of 1813
Bases of 1813
- Binary: 111000101012
- Hexadecimal: 0x715
- Base-36: 1ED
Squares and roots of 1813
- 1813 squared (18132) is 3286969
- 1813 cubed (18133) is 5959274797
square rootof 1813 is 42.5793377121
cube rootof 1813 is 12.1936184489
Scales and comparisonsHow big is 1813?
- 1,813 seconds is equal to 30 minutes, 13 seconds.
To count from 1 to 1,813 would take you about thirty 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 1813 cubic inches would be around 1 feet tall.
Recreational maths with 1813
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"Number 1813 - Facts about the integer". Numbermatics.com. 2023. Web. 31 March 2023.
Numbermatics. (2023). Number 1813 - Facts about the integer. Retrieved 31 March 2023, from https://numbermatics.com/n/1813/
Numbermatics. 2023. "Number 1813 - Facts about the integer". https://numbermatics.com/n/1813/
The information we have on file for 1813 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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