13009989721
13,009,989,721 is an odd composite number composed of four prime numbers multiplied together.
What does the number 13009989721 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.
13009989721 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 13009989721:
17 × 23 × 431 × 77201
See below for interesting mathematical facts about the number 13009989721 from the Numbermatics database.
Names of 13009989721
- Cardinal: 13009989721 can be written as Thirteen billion, nine million, nine hundred eighty-nine thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 1.3009989721 × 1010
Factors of 13009989721
Divisors of 13009989721
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 14407746048
- Sum of proper divisors (its aliquot sum) s(n): 1397756327
- 13009989721 is a deficient number, because the sum of its proper divisors (1397756327) is less than itself. Its deficiency is 11612233394
Bases of 13009989721
- Binary: 11000001110111010010110000010110012
- Hexadecimal: 0x30774B059
- Base-36: 5Z5T8BD
Squares and roots of 13009989721
- 13009989721 squared (130099897212) is 169259832540525657841
- 13009989721 cubed (130099897213) is 2202068681530420124448173052361
-
The
square root of 13009989721 is 114061.3419217923 -
The
cube root of 13009989721 is 2351.9368201155
Scales and comparisons
How big is 13009989721?- 13,009,989,721 seconds is equal to 413 years, 35 weeks, 1 day, 14 hours, 2 minutes, 1 second.
-
To count from 1 to 13,009,989,721 would take you about eight hundred twenty-seven 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 13009989721 cubic inches would be around 196 feet tall.
Recreational maths with 13009989721
- 13009989721 backwards is 12798990031
- The number of decimal digits it has is: 11
- The sum of 13009989721's digits is 49
- More coming soon!
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