12728840993880

Names of 12728840993880

• Cardinal: 12728840993880 can be written as Twelve trillion, seven hundred twenty-eight billion, eight hundred forty million, nine hundred ninety-three thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.272884099388 × 10¹³

Factors of 12728840993880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1788

Divisors of 12728840993880

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 127 132 165 220 254 264 330 381 440 508 547 635 660 762 1016 1093 1094 1270 1320 1397 1524 1641 1905 2186 2188 2540 2735 2794 3048 3279 3282 3810 4191 4372 4376 5080 5465 5470 5588 6017 6558 6564 6985 7620 8205 8382 8744 10930 10940 11176 12023 12034 13116 13128 13970 15240 16129 16395 16410 16764 18051 20955 21860 21880 24046 24068 26232 27940 30085 32258 32790 32820 33528 36069 36102 41910 43720 48092 48136 48387 55880 60115 60170 64516 65580 65640 69469 72138 72204 80645 83820 90255 96184 96774 120230 120340 129032 131160 138811 138938 144276 144408 161290 167640 177419 180345 180510 193548 208407 240460 240680 241935 277622 277876 288552 322580 347345 354838 360690 361020 387096 416433 416814 480920 483870 532257 555244 555752 597871 645160 694055 694690 709676 721380 722040 764159 832866 833628 887095 967740 1042035 1064514 1110488 1195742 1388110 1389380 1419352 1442760 1526921 1528318 1665732 1667256 1774190 1793613 1935480 2082165 2084070 2129028 2292477 2391484 2661285 2776220 2778760 2989355 3053842 3056636 3331464 3548380 3587226 3820795 4164330 4168140 4258056 4580763 4584954 4782968 5322570 5552440 5978710 6107684 6113272 6576581 7096760 7174452 7634605 7641590 8328660 8336280 8822563 8968065 9161526 9169908 10645140 11462385 11957420 12215368 13153162 14348904 15269210 15283180 16657320 17628997 17645126 17936130 18323052 18339816 19729743 21290280 22903815 22924770 23914840 26306324 26467689 30538420 30566360 32882905 35257994 35290252 35872260 36646104 39459486 44112815 45807630 45849540 52612648 52886991 52935378 61076840 65765810 70515988 70580504 71744520 75929617 78918972 88144985 88225630 91615260 91699080 97048193 98648715 105773982 105870756 131531620 132338445 141031976 151859234 157837944 176289970 176451260 183230520 193918967 194096386 197297430 211547964 211741512 227788851 263063240 264434955 264676890 291144579 303718468 352579940 352902520 379648085 387837934 388192772 394594860 423095928 455577702 485240965 528869910 529353780 581756901 582289158 607436936 705159880 759296170 775675868 776385544 789189720 835225787 911155404 969594835 970481930 1057739820 1058707560 1138944255 1163513802 1164578316 1455722895 1518592340 1551351736 1670451574 1822310808 1939189670 1940963860 2115479640 2277888510 2327027604 2329156632 2505677361 2908784505 2911445790 3037184680 3340903148 3878379340 3881927720 4176128935 4555777020 4654055208 5011354722 5817569010 5822891580 6681806296 7756758680 8352257870 9111554040 9643061359 10022709444 11635138020 11645783160 12528386805 16704515740 19286122718 20045418888 23270276040 25056773610 28929184077 33409031480 38572245436 48215306795 50113547220 57858368154 77144490872 96430613590 100227094440 106073674949 115716736308 144645920385 192861227180 212147349898 231433472616 289291840770 318221024847 385722454360 424294699796 530368374745 578583681540 636442049694 848589399592 1060736749490 1157167363080 1272884099388 1591105124235 2121473498980 2545768198776 3182210248470 4242946997960 6364420496940 12728840993880
• Sum of all divisors σ(n): 42103871642880
• Sum of proper divisors (its aliquot sum) s(n): 29375030649000
• 12728840993880 is an abundant number, because the sum of its proper divisors (29375030649000) is greater than itself. Its abundance is 16646189655120

Bases of 12728840993880

• Binary: 10111001001110101010000010111011110001011000₂
• Hexadecimal: 0xB93AA0BBC58
• Base-36: 4IFJRA1CO

Squares and roots of 12728840993880

• 12728840993880 squared (12728840993880²) is 162023393047479986197454400
• 12728840993880 cubed (12728840993880³) is 2062370007390295029539014146821979072000
• The square root of 12728840993880 is 3567750.1305276411
• The cube root of 12728840993880 is 23348.7133710981

Scales and comparisons

• 12,728,840,993,880 seconds is equal to 404,737 years, 40 weeks, 12 hours, 58 minutes.
• To count from 1 to 12,728,840,993,880 would take you about one million, eleven thousand, eight hundred forty-four 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 12728840993880 cubic inches would be around 1945.7 feet tall.

Recreational maths with 12728840993880

• 12728840993880 backwards is 08839904882721
• The number of decimal digits it has is: 14
• The sum of 12728840993880's digits is 69
• More coming soon!