668041272990

Names of 668041272990

• Cardinal: 668041272990 can be written as Six hundred sixty-eight billion, forty-one million, two hundred seventy-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.6804127299 × 10¹¹

Factors of 668041272990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3419

Divisors of 668041272990

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 27 30 34 35 39 42 45 51 54 63 65 70 78 85 90 91 102 105 117 119 126 130 135 153 170 182 189 195 210 221 234 238 255 270 273 306 315 351 357 378 390 442 455 459 510 546 571 585 595 630 663 702 714 765 819 910 918 945 1071 1105 1142 1170 1190 1326 1365 1530 1547 1638 1713 1755 1785 1890 1989 2142 2210 2295 2457 2730 2801 2855 3094 3213 3315 3426 3510 3570 3978 3997 4095 4590 4641 4914 5139 5355 5602 5710 5967 6426 6630 7423 7735 7994 8190 8403 8565 9282 9707 9945 10278 10710 11934 11991 12285 13923 14005 14846 15417 15470 16065 16806 17130 19414 19607 19890 19985 22269 23205 23982 24570 25209 25695 27846 28010 29121 29835 30834 32130 35973 36413 37115 39214 39970 41769 42015 44538 46410 47617 48535 50418 51390 51961 58242 58821 59670 59955 66807 67949 69615 71946 72826 74230 75627 77085 83538 84030 87363 95234 97070 98035 103922 107919 109239 111345 117642 119910 126045 126191 133614 135898 139230 142851 145605 151254 154170 155883 174726 176463 179865 182065 196070 200421 203847 208845 215838 218478 222690 238085 252090 252382 254891 259805 262089 285702 291210 294105 311766 327717 333319 334035 339745 352926 359730 364130 378135 378573 400842 407694 417690 428553 436815 467649 476170 509782 519610 524178 529389 539595 546195 588210 611541 619021 630955 655434 666638 668070 679490 714255 756270 757146 764673 779415 857106 873630 882315 883337 935298 983151 999957 1002105 1019235 1058778 1079190 1092390 1135719 1223082 1238042 1261910 1274455 1285659 1310445 1402947 1428510 1529346 1558830 1599371 1638585 1666595 1764630 1766674 1834623 1857063 1892865 1966302 1999914 2004210 2038470 2142765 2271438 2294019 2338245 2548910 2571318 2620890 2646945 2650011 2805894 2999871 3057705 3095105 3198742 3277170 3333190 3407157 3669246 3714126 3785730 3823365 4285530 4333147 4416685 4588038 4676490 4798113 4915755 4999785 5293890 5300022 5571189 5678595 5999742 6115410 6190210 6428295 6814314 6882057 7014735 7646730 7950033 7996855 8666294 8833370 8999613 9173115 9285315 9596226 9831510 9999570 11142378 11195597 11357190 11470095 12856590 12999441 13250055 13764114 14029470 14394339 14999355 15900066 15993710 16713567 17035785 17999226 18346230 18570630 20791823 21665735 22391194 22940190 23850099 23990565 25998882 26500110 27189307 27855945 28788678 29998710 33427134 33586791 34071570 34410285 38998323 39750165 41583646 43183017 43331470 44998065 47700198 47981130 54378614 55711890 55977985 62375469 64997205 67173582 68820570 71971695 77996646 79500330 81567921 83567835 86366034 89996130 100760373 103959115 111955970 116994969 119250495 124750938 129994410 135946535 143943390 145542761 163135842 167135670 167933955 187126407 190325149 194991615 201520746 207918230 215915085 233989938 238500990 244703763 271893070 291085522 302281119 311877345 335867910 353460991 374252814 380650298 389983230 407839605 431830170 436628283 489407526 503801865 561379221 570975447 584974845 604562238 623754690 706921982 727713805 734111289 815679210 873256566 935632035 951625745 1007603730 1060382973 1122758442 1141950894 1169949690 1223518815 1309884849 1455427610 1468222578 1511405595 1712926341 1767304955 1871264070 1903251490 2120765946 2183141415 2447037630 2474226937 2619769698 2806896105 2854877235 3022811190 3181148919 3425852682 3534609910 3670556445 3929654547 4366282830 4948453874 5138779023 5301914865 5613792210 5709754470 6362297838 6549424245 7341112890 7422680811 7859309094 8564631705 9543446757 10277558046 10603829730 12371134685 13098848490 14845361622 15905744595 17129263410 19086893514 19648272735 22268042433 24742269370 25693895115 31811489190 37113404055 39296545470 44536084866 47717233785 51387790230 66804127299 74226808110 95434467570 111340212165 133608254598 222680424330 334020636495 668041272990
• Sum of all divisors σ(n): 2326414970880
• Sum of proper divisors (its aliquot sum) s(n): 1658373697890
• 668041272990 is an abundant number, because the sum of its proper divisors (1658373697890) is greater than itself. Its abundance is 990332424900

Bases of 668041272990

• Binary: 1001101110001010010111001101111010011110₂
• Hexadecimal: 0x9B8A5CDE9E
• Base-36: 8IW6IX7I

Squares and roots of 668041272990

• 668041272990 squared (668041272990²) is 446279142418099703540100
• 668041272990 cubed (668041272990³) is 298132886409872832769670013511899000
• The square root of 668041272990 is 817337.9184829247
• The cube root of 668041272990 is 8741.8046715689

Scales and comparisons

• 668,041,272,990 seconds is equal to 21,241 years, 33 weeks, 4 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 668,041,272,990 would take you about forty-two thousand, four hundred eighty-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 668041272990 cubic inches would be around 728.5 feet tall.

Recreational maths with 668041272990

• 668041272990 backwards is 099272140866
• 668041272990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668041272990's digits is 54
• More coming soon!