138438346669
138,438,346,669 is an odd composite number composed of four prime numbers multiplied together.
138438346669 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138438346669:
72 × 172 × 373 × 193
(7 × 7 × 17 × 17 × 37 × 37 × 37 × 193)See below for interesting mathematical facts about the number 138438346669 from the Numbermatics database.
Names of 138438346669
- Cardinal: 138438346669 can be written as One hundred thirty-eight billion, four hundred thirty-eight million, three hundred forty-six thousand, six hundred sixty-nine.
Scientific notation
- Scientific notation: 1.38438346669 × 1011
Factors of 138438346669
Divisors of 138438346669
- Number of divisors d(n): 72
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Complete list of divisors:
1 7 17 37 49 119 193 259 289 629 833 1351 1369 1813 2023 3281 4403 7141 9457 9583 10693 14161 22967 23273 30821 49987 50653 55777 67081 74851 121397 160769 162911 264217 349909 354571 390439 395641 523957 849779 861101 1140377 1849519 2063749 2481997 2733073 2769487 4491689 5948453 6027707 9776029 12946633 14446243 14638717 19386409 31441823 42193949 68432203 76358713 101123701 102471019 166192493 220092761 479025421 534510991 717297133 1163347451 2825272381 3741576937 8143432157 19776906667 138438346669
- Sum of all divisors σ(n): 176733600360
- Sum of proper divisors (its aliquot sum) s(n): 38295253691
- 138438346669 is a deficient number, because the sum of its proper divisors (38295253691) is less than itself. Its deficiency is 100143092978
Bases of 138438346669
- Binary: 100000001110111001000110000111101011012
- Hexadecimal: 0x203B9187AD
- Base-36: 1RLIM7XP
Squares and roots of 138438346669
- 138438346669 squared (1384383466692) is 19165175828446223395561
- 138438346669 cubed (1384383466693) is 2653195255310777546058492033736309
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The
square root of 138438346669 is 372073.0394277447 -
The
cube root of 138438346669 is 5173.1150195713
Scales and comparisons
How big is 138438346669?- 138,438,346,669 seconds is equal to 4,401 years, 47 weeks, 2 days, 16 hours, 17 minutes, 49 seconds.
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To count from 1 to 138,438,346,669 would take you about eight thousand, eight hundred three 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 138438346669 cubic inches would be around 431.1 feet tall.
Recreational maths with 138438346669
- 138438346669 backwards is 966643834831
- The number of decimal digits it has is: 12
- The sum of 138438346669's digits is 61
- More coming soon!
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The information we have on file for 138438346669 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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