138970
138,970 is an even composite number composed of four prime numbers multiplied together.
138970 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 138970:
2 × 5 × 13 × 1069
See below for interesting mathematical facts about the number 138970 from the Numbermatics database.
Names of 138970
- Cardinal: 138970 can be written as One hundred thirty-eight thousand, nine hundred seventy.
Scientific notation
- Scientific notation: 1.3897 × 105
Factors of 138970
Divisors of 138970
Bases of 138970
- Binary: 1000011110110110102
- Hexadecimal: 0x21EDA
- Base-36: 2Z8A
Squares and roots of 138970
- 138970 squared (1389702) is 19312660900
- 138970 cubed (1389703) is 2683880485273000
-
The
square root of 138970 is 372.7868023415 -
The
cube root of 138970 is 51.7972877141
Scales and comparisons
How big is 138970?- 138,970 seconds is equal to 1 day, 14 hours, 36 minutes, 10 seconds.
-
To count from 1 to 138,970 would take you about fourteen hours.
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 138970 cubic inches would be around 4.3 feet tall.
Recreational maths with 138970
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