668090442907188

Names of 668090442907188

• Cardinal: 668090442907188 can be written as Six hundred sixty-eight trillion, ninety billion, four hundred forty-two million, nine hundred seven thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 6.68090442907188 × 10¹⁴

Factors of 668090442907188

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 11658

Divisors of 668090442907188

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 54 57 63 76 81 84 108 114 126 133 162 171 189 228 252 266 324 342 378 399 513 532 567 684 756 798 1013 1026 1134 1197 1539 1596 1721 2026 2052 2268 2394 3039 3078 3442 3591 4052 4788 5163 6078 6156 6884 7091 7182 8893 9117 10326 10773 12047 12156 14182 14364 15489 17786 18234 19247 20652 21273 21546 24094 26679 27351 28364 30978 32699 35572 36141 36468 38494 42546 43092 46467 48188 53358 54702 57741 61956 62251 63819 65398 72282 76988 80037 82053 85092 92934 98097 106716 108423 109404 115482 124502 127638 130796 134729 139401 144564 160074 164106 168967 173223 185868 186753 191457 196194 216846 228893 230964 240111 249004 255276 269458 278802 294291 320148 325269 328212 337934 346446 373506 382914 392388 404187 433692 457786 480222 506901 519669 538916 557604 560259 574371 588582 650538 675868 686679 692892 720333 747012 765828 808374 882873 915572 960444 975807 1013802 1039338 1120518 1148742 1177164 1182769 1212561 1301076 1373358 1440666 1520703 1559007 1616748 1680777 1743373 1765746 1951614 2027604 2060037 2078676 2241036 2297484 2365538 2425122 2648619 2746716 2881332 3041406 3118014 3361554 3486746 3531492 3548307 3637683 3903228 4120074 4562109 4731076 4850244 5042331 5230119 5297238 6082812 6180111 6236028 6723108 6973492 7096614 7275366 8240148 9008609 9124218 10084662 10460238 10594476 10644921 10913049 12203611 12360222 13686327 14193228 14550732 15304853 15690357 18017218 18248436 18540333 20169324 20920476 21289842 21826098 24407222 24720444 27025827 27372654 30609706 31380714 31934763 33124087 36034436 36610833 37080666 42579684 43652196 45914559 47071071 48814444 54051654 54745308 61219412 62761428 63060263 63869526 66248174 73221666 74161332 81077481 91829118 94142142 95804289 99372261 107133971 108103308 109832499 126120526 127739052 132496348 137743677 141213213 146443332 162154962 171163571 183658236 188284284 189180789 191608578 198744522 214267942 219664998 231868609 243232443 252241052 275487354 282426426 290792207 298116783 321401913 324309924 329497497 342327142 378361578 383217156 397489044 413231031 428535884 439329996 463737218 486464886 513490713 550974708 564852852 567542367 581584414 596233566 642803826 658994994 684654284 695605827 729697329 756723156 826462062 872376621 894350349 927474436 964205739 972929772 988492491 1026981426 1135084734 1163168828 1192467132 1198144997 1239693093 1285607652 1317989988 1391211654 1459394658 1540472139 1652924124 1702627101 1744753242 1788700698 1928411478 1976984982 2035545449 2053962852 2086817481 2270169468 2396289994 2479386186 2617129863 2683051047 2782423308 2892617217 2918789316 3080944278 3405254202 3489506484 3577401396 3594434991 3856822956 3953969964 4071090898 4173634962 4621416417 4792579988 4958772372 5107881303 5234259726 5366102094 5785234434 6106636347 6161888556 6260452443 6810508404 7188869982 7851389589 8142181796 8347269924 8677851651 9242832834 10215762606 10468519452 10732204188 10783304973 11570468868 12213272694 12520904886 13864249251 14377739964 15503816089 15702779178 17355703302 18319909041 18485665668 18781357329 20431525212 21566609946 23554168767 24426545388 25041809772 27728498502 31007632178 31405558356 32349914919 34711406604 36639818082 37562714658 43133219892 46511448267 47108337534 54959727123 55456997004 62015264356 64699829838 73279636164 75125429316 93022896534 94216675068 97049744757 108526712623 109919454246 129399659676 139534344801 164879181369 186045793068 194099489514 217053425246 219838908492 279068689602 294572505691 325580137869 329758362738 388198979028 418603034403 434106850492 558137379204 589145011382 651160275738 659516725476 837206068806 883717517073 976740413607 1178290022764 1255809103209 1302320551476 1674412137612 1767435034146 1953480827214 2062007539837 2511618206418 2651152551219 2930221240821 3534870068292 3906961654428 4124015079674 5023236412836 5302305102438 5860442481642 6186022619511 7953457653657 8248030159348 8790663722463 10604610204876 11720884963284 12372045239022 15906915307314 17581327444926 18558067858533 23860372960971 24744090478044 31813830614628 35162654889852 37116135717066 47720745921942 55674203575599 74232271434132 95441491843884 111348407151198 167022610726797 222696814302396 334045221453594 668090442907188
• Sum of all divisors σ(n): 2104609954487040
• Sum of proper divisors (its aliquot sum) s(n): 1436519511579852
• 668090442907188 is an abundant number, because the sum of its proper divisors (1436519511579852) is greater than itself. Its abundance is 768429068672664

Bases of 668090442907188

• Binary: 10010111111001111111101101100001101111111000110100₂
• Hexadecimal: 0x25F9FED86FE34
• Base-36: 6KTGIG4F90

Squares and roots of 668090442907188

• 668090442907188 squared (668090442907188²) is 446344839903922628617182067344
• 668090442907188 cubed (668090442907188³) is 298198721780749589109414777776290891357668672
• The square root of 668090442907188 is 25847445.5779906421
• The cube root of 668090442907188 is 87420.1914098555

Scales and comparisons

• 668,090,442,907,188 seconds is equal to 21,243,209 years, 28 weeks, 2 days, 9 hours, 19 minutes, 48 seconds.
• To count from 1 to 668,090,442,907,188 would take you about fifty-three million, one hundred eight thousand and twenty-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 668090442907188 cubic inches would be around 7285 feet tall.

Recreational maths with 668090442907188

• 668090442907188 backwards is 881709244090866
• The number of decimal digits it has is: 15
• The sum of 668090442907188's digits is 72
• More coming soon!