31213528021
31,213,528,021 is an odd composite number composed of three prime numbers multiplied together.
What does the number 31213528021 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.
31213528021 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.
Prime factorization of 31213528021:
13 × 857 × 2801681
See below for interesting mathematical facts about the number 31213528021 from the Numbermatics database.
Names of 31213528021
- Cardinal: 31213528021 can be written as Thirty-one billion, two hundred thirteen million, five hundred twenty-eight thousand and twenty-one.
Scientific notation
- Scientific notation: 3.1213528021 × 1010
Factors of 31213528021
Divisors of 31213528021
- Number of divisors d(n): 8
- Complete list of divisors:
- Sum of all divisors σ(n): 33653804184
- Sum of proper divisors (its aliquot sum) s(n): 2440276163
- 31213528021 is a deficient number, because the sum of its proper divisors (2440276163) is less than itself. Its deficiency is 28773251858
Bases of 31213528021
- Binary: 111010001000111100010100011110101012
- Hexadecimal: 0x74478A3D5
- Base-36: EC7Q8D1
Squares and roots of 31213528021
- 31213528021 squared (312135280212) is 974284331517752176441
- 31213528021 cubed (312135280213) is 30410851282250611018274889553261
-
The
square root of 31213528021 is 176673.5068452539 -
The
cube root of 31213528021 is 3148.5767660035
Scales and comparisons
How big is 31213528021?- 31,213,528,021 seconds is equal to 992 years, 25 weeks, 4 days, 16 hours, 27 minutes, 1 second.
-
To count from 1 to 31,213,528,021 would take you about one thousand, nine hundred eighty-four 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 31213528021 cubic inches would be around 262.4 feet tall.
Recreational maths with 31213528021
- 31213528021 backwards is 12082531213
- The number of decimal digits it has is: 11
- The sum of 31213528021's digits is 28
- More coming soon!
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The information we have on file for 31213528021 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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