20968687009920

Names of 20968687009920

• Cardinal: 20968687009920 can be written as Twenty trillion, nine hundred sixty-eight billion, six hundred eighty-seven million, nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.096868700992 × 10¹³

Factors of 20968687009920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3631

Divisors of 20968687009920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 67 78 80 96 104 120 128 130 134 156 160 192 195 201 208 240 260 268 312 320 335 384 390 402 416 480 520 536 624 640 670 780 804 832 871 960 1005 1040 1072 1248 1340 1560 1608 1664 1742 1920 2010 2080 2144 2496 2613 2680 3120 3216 3484 3541 4020 4160 4288 4355 4992 5226 5360 6240 6432 6968 7082 8040 8320 8576 8710 10452 10623 10720 12480 12864 13065 13936 14164 16080 17420 17705 20904 21246 21440 24960 25728 26130 27872 28328 32160 34840 35410 41808 42492 42880 46033 52260 53115 55744 56656 64320 69680 70820 83616 84984 92066 104520 106230 111488 113312 128640 138099 139360 141640 167232 169968 184132 209040 212460 226624 230165 237247 276198 278720 283280 334464 339936 368264 418080 424920 453248 460330 474494 552396 557440 566560 679872 690495 711741 736528 836160 849840 920660 948988 1104792 1133120 1186235 1359744 1380990 1423482 1473056 1672320 1699680 1841320 1897976 2209584 2266240 2372470 2761980 2846964 2946112 3084211 3399360 3558705 3682640 3795952 4419168 4744940 5523960 5693928 5892224 6168422 6798720 7117410 7365280 7591904 8838336 9252633 9489880 11047920 11387856 12336844 12538681 14234820 14730560 15183808 15421055 17676672 18505266 18979760 22095840 22775712 24673688 25077362 28469640 29461120 30367616 30842110 37010532 37616043 37959520 44191680 45551424 46263165 49347376 50154724 56939280 61684220 62693405 74021064 75232086 75919040 88383360 91102848 92526330 98694752 100309448 113878560 123368440 125386810 148042128 150464172 151838080 163002853 185052660 188080215 197389504 200618896 227757120 246736880 250773620 296084256 300928344 326005706 370105320 376160430 394779008 401237792 455514240 489008559 493473760 501547240 592168512 601856688 652011412 740210640 752320860 802475584 815014265 840091627 978017118 986947520 1003094480 1184337024 1203713376 1304022824 1480421280 1504641720 1604951168 1630028530 1680183254 1956034236 1973895040 2006188960 2407426752 2445042795 2520274881 2608045648 2960842560 3009283440 3260057060 3360366508 3912068472 4012377920 4200458135 4814853504 4890085590 5040549762 5216091296 5921685120 6018566880 6520114120 6720733016 7824136944 8024755840 8400916270 9780171180 10081099524 10432182592 10921191151 12037133760 12601374405 13040228240 13441466032 15648273888 16801832540 19560342360 20162199048 20864365184 21842382302 24074267520 25202748810 26080456480 26882932064 31296547776 32763573453 33603665080 39120684720 40324398096 43684764604 50405497620 52160912960 53765864128 54605955755 62593095552 65527146906 67207330160 78241369440 80648796192 87369529208 100810995240 104321825920 107531728256 109211911510 131054293812 134414660320 156482738880 161297592384 163817867265 174739058416 201621990480 218423823020 262108587624 268829320640 312965477760 322595184768 327635734530 349478116832 403243980960 436847646040 524217175248 537658641280 655271469060 698956233664 806487961920 873695292080 1048434350496 1310542938120 1397912467328 1612975923840 1747390584160 2096868700992 2621085876240 3494781168320 4193737401984 5242171752480 6989562336640 10484343504960 20968687009920
• Sum of all divisors σ(n): 73074001331520
• Sum of proper divisors (its aliquot sum) s(n): 52105314321600
• 20968687009920 is an abundant number, because the sum of its proper divisors (52105314321600) is greater than itself. Its abundance is 31136627311680

Bases of 20968687009920

• Binary: 100110001001000100111001001000000000010000000₂
• Hexadecimal: 0x131227240080
• Base-36: 7FKVQULXC

Squares and roots of 20968687009920

• 20968687009920 squared (20968687009920²) is 439685834919987750178406400
• 20968687009920 cubed (20968687009920³) is 9219634655132576659731476442166591488000
• The square root of 20968687009920 is 4579157.8930978129
• The cube root of 20968687009920 is 27575.5222178409

Scales and comparisons

• 20,968,687,009,920 seconds is equal to 666,739 years, 20 weeks, 16 hours, 32 minutes.
• To count from 1 to 20,968,687,009,920 would take you about one million, six hundred sixty-six thousand, eight hundred forty-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 20968687009920 cubic inches would be around 2298 feet tall.

Recreational maths with 20968687009920

• 20968687009920 backwards is 02990078686902
• The number of decimal digits it has is: 14
• The sum of 20968687009920's digits is 66
• More coming soon!