138990836868
138,990,836,868 is an even composite number composed of six prime numbers multiplied together.
138990836868 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138990836868:
22 × 3 × 13 × 83 × 2309 × 4649
(2 × 2 × 3 × 13 × 83 × 2309 × 4649)See below for interesting mathematical facts about the number 138990836868 from the Numbermatics database.
Names of 138990836868
- Cardinal: 138990836868 can be written as One hundred thirty-eight billion, nine hundred ninety million, eight hundred thirty-six thousand, eight hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38990836868 × 1011
Factors of 138990836868
Divisors of 138990836868
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 12 13 26 39 52 78 83 156 166 249 332 498 996 1079 2158 2309 3237 4316 4618 4649 6474 6927 9236 9298 12948 13854 13947 18596 27708 27894 30017 55788 60034 60437 90051 120068 120874 180102 181311 191647 241748 360204 362622 383294 385867 574941 725244 766588 771734 1149882 1157601 1543468 2299764 2315202 2491411 4630404 4982822 5016271 7474233 9965644 10032542 10734541 14948466 15048813 20065084 21469082 29896932 30097626 32203623 42938164 60195252 64407246 128814492 139549033 279098066 418647099 558196132 837294198 890966903 1674588396 1781933806 2672900709 3563867612 5345801418 10691602836 11582569739 23165139478 34747709217 46330278956 69495418434 138990836868
- Sum of all divisors σ(n): 353696112000
- Sum of proper divisors (its aliquot sum) s(n): 214705275132
- 138990836868 is an abundant number, because the sum of its proper divisors (214705275132) is greater than itself. Its abundance is 75714438264
Bases of 138990836868
- Binary: 100000010111000111111111011100100001002
- Hexadecimal: 0x205C7FDC84
- Base-36: 1RUNK03O
Squares and roots of 138990836868
- 138990836868 squared (1389908368682) is 19318452733266988049424
- 138990836868 cubed (1389908368683) is 2685087912391680652667196705364032
-
The
square root of 138990836868 is 372814.7487264955 -
The
cube root of 138990836868 is 5179.9876376523
Scales and comparisons
How big is 138990836868?- 138,990,836,868 seconds is equal to 4,419 years, 24 weeks, 6 days, 5 hours, 47 minutes, 48 seconds.
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To count from 1 to 138,990,836,868 would take you about eight thousand, eight hundred thirty-eight 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 138990836868 cubic inches would be around 431.7 feet tall.
Recreational maths with 138990836868
- 138990836868 backwards is 868638099831
- The number of decimal digits it has is: 12
- The sum of 138990836868's digits is 69
- More coming soon!
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Keywords: Divisors of 138990836868, math, Factors of 138990836868, curriculum, school, college, exams, university, Prime factorization of 138990836868, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, nine hundred ninety million, eight hundred thirty-six thousand, eight hundred sixty-eight.