138345131825820

Names of 138345131825820

• Cardinal: 138345131825820 can be written as One hundred thirty-eight trillion, three hundred forty-five billion, one hundred thirty-one million, eight hundred twenty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3834513182582 × 10¹⁴

Factors of 138345131825820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2263495

Divisors of 138345131825820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 127 180 254 381 508 635 762 1143 1270 1524 1905 2286 2540 2677 3810 4572 5354 5715 7620 8031 10708 11430 13385 16062 22860 24093 26770 32124 40155 48186 53540 80310 96372 120465 160620 240930 339979 481860 679958 1019937 1359916 1699895 2039874 2260681 3059811 3399790 4079748 4521362 5099685 6119622 6782043 6799580 9042724 10199370 11303405 12239244 13564086 15299055 20346129 20398740 22606810 27128172 30598110 33910215 40692258 45213620 61196220 67820430 81384516 101730645 135640860 203461290 287106487 406922580 574212974 861319461 1148425948 1435532435 1722638922 2583958383 2871064870 3445277844 4306597305 5167916766 5742129740 6051843037 8613194610 10335833532 12103686074 12919791915 17226389220 18155529111 24207372148 25839583830 30259215185 36311058222 51679167660 54466587333 60518430370 72622116444 90777645555 108933174666 121036860740 181555291110 217866349332 272332936665 363110582220 544665873330 768584065699 1089331746660 1537168131398 2305752197097 3074336262796 3842920328495 4611504394194 6917256591291 7685840656990 9223008788388 11528760985485 13834513182582 15371681313980 23057521970970 27669026365164 34586282956455 46115043941940 69172565912910 138345131825820
• Sum of all divisors σ(n): 423109387803648
• Sum of proper divisors (its aliquot sum) s(n): 284764255977828
• 138345131825820 is an abundant number, because the sum of its proper divisors (284764255977828) is greater than itself. Its abundance is 146419124152008

Bases of 138345131825820

• Binary: 11111011101001011111100011100000101101010011100₂
• Hexadecimal: 0x7DD2FC705A9C
• Base-36: 1D1EVJIUN0

Squares and roots of 138345131825820

• 138345131825820 squared (138345131825820²) is 19139375499903513846818672400
• 138345131825820 cubed (138345131825820³) is 2647839426598021185828762971403880441368000
• The square root of 138345131825820 is 11762020.7373486635
• The cube root of 138345131825820 is 51719.5368581605

Scales and comparisons

• 138,345,131,825,820 seconds is equal to 4,398,947 years, 13 weeks, 4 days, 12 hours, 57 minutes.
• To count from 1 to 138,345,131,825,820 would take you about ten million, nine hundred ninety-seven thousand, three hundred sixty-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 138345131825820 cubic inches would be around 4310 feet tall.

Recreational maths with 138345131825820

• 138345131825820 backwards is 028528131543831
• The number of decimal digits it has is: 15
• The sum of 138345131825820's digits is 54
• More coming soon!