138537363280

Names of 138537363280

• Cardinal: 138537363280 can be written as One hundred thirty-eight billion, five hundred thirty-seven million, three hundred sixty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3853736328 × 10¹¹

Factors of 138537363280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 212

Divisors of 138537363280

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 41 67 80 82 97 134 164 194 205 268 328 335 388 410 485 536 656 670 776 820 970 1072 1340 1552 1640 1940 2680 2747 3280 3880 3977 4489 5360 5494 6499 7760 7954 8978 9409 10988 12998 13735 15908 17956 18818 19885 21976 22445 25996 27470 31816 32495 35912 37636 39770 43952 44890 47045 51992 54940 63632 64990 71824 75272 79540 89780 94090 103984 109880 129980 150544 159080 179560 184049 188180 219760 259960 266459 318160 359120 368098 376360 385769 435433 519920 532918 630403 736196 752720 771538 870866 920245 1065836 1260806 1332295 1472392 1543076 1741732 1840490 1928845 2131672 2177165 2521612 2664590 2944784 3086152 3152015 3483464 3680980 3857690 4263344 4354330 5043224 5329180 6172304 6304030 6966928 7361960 7715380 8708660 10086448 10658360 12608060 14723920 15430760 17417320 17852753 21316720 25216120 25846523 30861520 34834640 35705506 42237001 50432240 51693046 71411012 84474002 89263765 103386092 129232615 142822024 168948004 178527530 206772184 211185005 258465230 285644048 337896008 357055060 413544368 422370010 516930460 675792016 714110120 844740020 1033860920 1428220240 1689480040 1731717041 2067721840 3378960080 3463434082 6926868164 8658585205 13853736328 17317170410 27707472656 34634340820 69268681640 138537363280
• Sum of all divisors σ(n): 338442392988
• Sum of proper divisors (its aliquot sum) s(n): 199905029708
• 138537363280 is an abundant number, because the sum of its proper divisors (199905029708) is greater than itself. Its abundance is 61367666428

Bases of 138537363280

• Binary: 10000001000001011110000110011101010000₂
• Hexadecimal: 0x2041786750
• Base-36: 1RN5KHN4

Squares and roots of 138537363280

• 138537363280 squared (138537363280²) is 19192601024574692358400
• 138537363280 cubed (138537363280³) is 2658892340429604362749900759552000
• The square root of 138537363280 is 372206.0763609321
• The cube root of 138537363280 is 5174.3480648395

Scales and comparisons

• 138,537,363,280 seconds is equal to 4,405 years, 3 weeks, 16 hours, 54 minutes, 40 seconds.
• To count from 1 to 138,537,363,280 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 138537363280 cubic inches would be around 431.2 feet tall.

Recreational maths with 138537363280

• 138537363280 backwards is 082363735831
• The number of decimal digits it has is: 12
• The sum of 138537363280's digits is 49
• More coming soon!