130991
130,991 is an odd composite number composed of two prime numbers multiplied together.
130991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.
Prime factorization of 130991:
7 × 18713
See below for interesting mathematical facts about the number 130991 from the Numbermatics database.
Names of 130991
- Cardinal: 130991 can be written as One hundred thirty thousand, nine hundred ninety-one.
Scientific notation
- Scientific notation: 1.30991 × 105
Factors of 130991
Divisors of 130991
Bases of 130991
- Binary: 111111111101011112
- Hexadecimal: 0x1FFAF
- Base-36: 2T2N
Squares and roots of 130991
- 130991 squared (1309912) is 17158642081
- 130991 cubed (1309913) is 2247627684832271
-
The
square root of 130991 is 361.9267881769 -
The
cube root of 130991 is 50.7863676815
Scales and comparisons
How big is 130991?- 130,991 seconds is equal to 1 day, 12 hours, 23 minutes, 11 seconds.
-
To count from 1 to 130,991 would take you about twelve 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 130991 cubic inches would be around 4.2 feet tall.
Recreational maths with 130991
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