138542349913
138,542,349,913 is an odd composite number composed of six prime numbers multiplied together.
138542349913 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138542349913:
11 × 19 × 23 × 71 × 89 × 4561
See below for interesting mathematical facts about the number 138542349913 from the Numbermatics database.
Names of 138542349913
- Cardinal: 138542349913 can be written as One hundred thirty-eight billion, five hundred forty-two million, three hundred forty-nine thousand, nine hundred thirteen.
Scientific notation
- Scientific notation: 1.38542349913 × 1011
Factors of 138542349913
Divisors of 138542349913
- Number of divisors d(n): 64
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Complete list of divisors:
1 11 19 23 71 89 209 253 437 781 979 1349 1633 1691 2047 4561 4807 6319 14839 17963 18601 22517 31027 38893 50171 69509 86659 104903 120061 145337 323831 341297 405929 427823 953249 1153933 1320671 1598707 1993157 2761403 3562141 4465219 6152789 7448113 7712651 9336367 21924727 28820959 30375433 67680679 81929243 84839161 102700037 141514147 177390973 317030549 547598221 662882057 1556655617 1951300703 6023580431 7291702627 12594759083 138542349913
- Sum of all divisors σ(n): 170275737600
- Sum of proper divisors (its aliquot sum) s(n): 31733387687
- 138542349913 is a deficient number, because the sum of its proper divisors (31733387687) is less than itself. Its deficiency is 106808962226
Bases of 138542349913
- Binary: 100000010000011100010001111110010110012
- Hexadecimal: 0x2041C47E59
- Base-36: 1RN8JDCP
Squares and roots of 138542349913
- 138542349913 squared (1385423499132) is 19193982719416131107569
- 138542349913 cubed (1385423499133) is 2659179470137424934961508640791497
-
The
square root of 138542349913 is 372212.7750534633 -
The
cube root of 138542349913 is 5174.4101474063
Scales and comparisons
How big is 138542349913?- 138,542,349,913 seconds is equal to 4,405 years, 11 weeks, 2 days, 10 hours, 5 minutes, 13 seconds.
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To count from 1 to 138,542,349,913 would take you about eight thousand, eight hundred ten 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 138542349913 cubic inches would be around 431.2 feet tall.
Recreational maths with 138542349913
- 138542349913 backwards is 319943245831
- The number of decimal digits it has is: 12
- The sum of 138542349913's digits is 52
- More coming soon!
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