31351990145
31,351,990,145 is an odd composite number composed of four prime numbers multiplied together.
What does the number 31351990145 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.
31351990145 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 31351990145:
5 × 7 × 37 × 24210031
See below for interesting mathematical facts about the number 31351990145 from the Numbermatics database.
Names of 31351990145
- Cardinal: 31351990145 can be written as Thirty-one billion, three hundred fifty-one million, nine hundred ninety thousand, one hundred forty-five.
Scientific notation
- Scientific notation: 3.1351990145 × 1010
Factors of 31351990145
Divisors of 31351990145
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 44159098368
- Sum of proper divisors (its aliquot sum) s(n): 12807108223
- 31351990145 is a deficient number, because the sum of its proper divisors (12807108223) is less than itself. Its deficiency is 18544881922
Bases of 31351990145
- Binary: 111010011001011100101100111100000012
- Hexadecimal: 0x74CB96781
- Base-36: EEI5YF5
Squares and roots of 31351990145
- 31351990145 squared (313519901452) is 982947286052177121025
- 31351990145 cubed (313519901453) is 30817353625362353054170272298625
-
The
square root of 31351990145 is 177064.9320023589 -
The
cube root of 31351990145 is 3153.2255577907
Scales and comparisons
How big is 31351990145?- 31,351,990,145 seconds is equal to 996 years, 46 weeks, 4 days, 6 hours, 9 minutes, 5 seconds.
-
To count from 1 to 31,351,990,145 would take you about one thousand, nine hundred ninety-three years!
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 31351990145 cubic inches would be around 262.8 feet tall.
Recreational maths with 31351990145
- 31351990145 backwards is 54109915313
- The number of decimal digits it has is: 11
- The sum of 31351990145's digits is 41
- More coming soon!
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The information we have on file for 31351990145 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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