138888888888887721
138,888,888,888,887,721 is an odd composite number composed of four prime numbers multiplied together.
What does the number 138888888888887721 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.
138888888888887721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.
Prime factorization of 138888888888887721:
32 × 89 × 214723 × 807525827
(3 × 3 × 89 × 214723 × 807525827)See below for interesting mathematical facts about the number 138888888888887721 from the Numbermatics database.
Names of 138888888888887721
- Cardinal: 138888888888887721 can be written as One hundred thirty-eight quadrillion, eight hundred eighty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-seven thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 1.38888888888887721 × 1017
Factors of 138888888888887721
Divisors of 138888888888887721
- Number of divisors d(n): 24
- Complete list of divisors:
- Sum of all divisors σ(n): 202872355793022240
- Sum of proper divisors (its aliquot sum) s(n): 63983466904134519
- 138888888888887721 is a deficient number, because the sum of its proper divisors (63983466904134519) is less than itself. Its deficiency is 74905421984753202
Bases of 138888888888887721
- Binary: 1111011010110111010110101011001010111100010001001101010012
- Hexadecimal: 0x1ED6EB5657889A9
- Base-36: 11ZK02PZLM09
Squares and roots of 138888888888887721
- 138888888888887721 squared (1388888888888877212) is 19290123456789799043209876544573841
- 138888888888887721 cubed (1388888888888877213) is 2679183813443005116169410151459950896776404442706361
-
The
square root of 138888888888887721 is 372677996.2499633825 -
The
cube root of 138888888888887721 is 517872.0843256419
Scales and comparisons
How big is 138888888888887721?- 138,888,888,888,887,721 seconds is equal to 4,416,237,055 years, 6 weeks, 3 days, 19 hours, 55 minutes, 21 seconds.
-
To count from 1 to 138,888,888,888,887,721 would take you about thirteen billion, two hundred forty-eight million, seven hundred eleven thousand, one hundred sixty-five 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 138888888888887721 cubic inches would be around 43156 feet tall.
Recreational maths with 138888888888887721
- 138888888888887721 backwards is 127788888888888831
- The number of decimal digits it has is: 18
- The sum of 138888888888887721's digits is 117
- More coming soon!
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The information we have on file for 138888888888887721 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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