1998970103305879172

Names of 1998970103305879172

• Cardinal: 1998970103305879172 can be written as One quintillion, nine hundred ninety-eight quadrillion, nine hundred seventy trillion, one hundred three billion, three hundred five million, eight hundred seventy-nine thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.998970103305879172 × 10¹⁸

Factors of 1998970103305879172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3616

Divisors of 1998970103305879172

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 7 14 17 19 28 34 38 49 68 76 98 119 133 196 238 266 323 361 476 532 646 722 833 931 1292 1444 1666 1862 2261 2527 3332 3571 3724 4522 5054 6137 6859 7142 9044 10108 12274 13718 14284 15827 17689 24548 24997 27436 31654 35378 42959 48013 49994 60707 63308 67849 70756 85918 96026 99988 116603 121414 130321 135698 171836 174979 192052 233206 242828 260642 271396 300713 336091 349958 424949 466412 474943 521284 601426 672182 699916 816221 849898 912247 949886 1153433 1202852 1289131 1344364 1632442 1699796 1824494 1899772 2215457 2306866 2476099 2578262 2974643 3264884 3324601 3648988 4430914 4613732 4952198 5156524 5713547 5949286 6385729 6649202 8074031 8861828 9023917 9904396 11427094 11898572 12752041 12771458 13298404 15508199 16148062 17332693 18047834 21915227 22854188 24493489 25504082 25542916 31016398 32296124 34665386 36095668 42093683 43830454 47045881 48986978 51008164 56518217 62032796 63167419 69330772 84187366 87660908 89264287 94091762 97973956 108557393 113036434 121328851 126334838 153406589 168374732 171454423 178528574 188183524 216784697 217114786 226072868 242288779 242657702 252669676 294655781 306813178 329321167 342908846 357057148 416389313 433569394 434229572 465376291 484577558 485315404 589311562 613626356 624850009 658642334 685817692 799779977 832778626 867138788 930752582 969155116 1073846123 1178623124 1200180961 1249700018 1317284668 1517492879 1599559954 1665557252 1696021453 1861505164 2062590467 2147692246 2305248169 2400361922 2499400036 2914725191 3034985758 3199119908 3257634037 3392042906 4118909243 4125180934 4295384492 4603486801 4610496338 4800723844 5598459839 5829450382 6069971516 6515268074 6784085812 7911396947 8237818486 8250361868 8842149529 9206973602 9220992676 10622450153 11196919678 11658900764 11872150171 13030536148 15822793894 16475636972 17684299058 18413947204 20403076337 21244900306 22393839356 22803438259 23744300342 28832364701 31645587788 32224407607 35368598116 39189218873 40806152674 42489800612 45606876518 47488600684 55379778629 57664729402 61895046703 64448815214 78259275617 78378437746 81612305348 87466249219 91213753036 110759557258 115329458804 123790093406 128897630428 150316541993 156518551234 156756875492 168000841051 174932498438 201826552907 221519114516 225570853249 247580186812 300633083986 313037102468 336001682102 349864996876 387658450403 403653105814 433265326921 451141706498 547814929319 601266167972 612263744533 672003364204 775316900806 807306211628 866530653842 902283412996 1052215793951 1095629858638 1176005887357 1224527489066 1486926236723 1550633801612 1661858735161 1733061307684 2104431587902 2191259717276 2352011774714 2449054978132 2856014297867 2973852473446 3323717470322 3834704505233 4208863175804 4285846211731 4704023549428 5712028595734 5947704946892 6647434940644 7365510557657 7669409010466 8232041211499 8571692423462 10408483657061 11424057191468 11633011146127 14731021115314 15338818020932 16464082422998 17143384846924 19992100085069 20816967314122 23266022292254 28251598497737 29462042230628 31575315968059 32928164845996 39984200170138 41633934628244 46532044584508 56503196995474 63150631936118 72859385599427 79968400340276 81431078022889 113006393990948 126301263872236 139944700595483 145718771198854 162862156045778 197761189484159 221027211776413 279889401190966 291437542397708 325724312091556 395522378968318 442054423552826 536780371457003 559778802381932 599931003393121 791044757936636 884108847105652 1073560742914006 1199862006786242 1384328326389113 1547190482434891 2147121485828012 2399724013572484 2768656652778226 3094380964869782 3757462600199021 4199517023751847 5537313305556452 6188761929739564 7514925200398042 8399034047503694 10198827057683057 15029850400796084 16798068095007388 20397654115366114 26302238201393147 29396619166262929 40795308230732228 52604476402786294 58793238332525858 71391789403781399 105208952805572588 117586476665051716 142783578807562798 285567157615125596 499742525826469793 999485051652939586 1998970103305879172
• Sum of all divisors σ(n): 4549350902664592206
• Sum of proper divisors (its aliquot sum) s(n): 2550380799358713034
• 1998970103305879172 is an abundant number, because the sum of its proper divisors (2550380799358713034) is greater than itself. Its abundance is 551410696052833862

Bases of 1998970103305879172

• Binary: 1101110111101110001001011011111001100001011000011111010000100₂
• Hexadecimal: 0x1BBDC4B7CC2C3E84
• Base-36: F6QNRFZHPWN8

Squares and roots of 1998970103305879172

• 1998970103305879172 squared (1998970103305879172²) is 3995881473910717249010351499863405584
• 1998970103305879172 cubed (1998970103305879172³) is 7987647602701355188708048779801560482386431765134096448
• The square root of 1998970103305879172 is 1413849392.0166600163
• The cube root of 1998970103305879172 is 1259704.7480085003

Scales and comparisons

• 1,998,970,103,305,879,172 seconds is equal to 63,561,066,064 years, 32 weeks, 1 day, 17 hours, 59 minutes, 32 seconds.
• To count from 1 to 1,998,970,103,305,879,172 would take you about two hundred twenty-two billion, four hundred sixty-three million, seven hundred thirty-one thousand, two hundred twenty-six 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 1998970103305879172 cubic inches would be around 104975.4 feet tall.

Recreational maths with 1998970103305879172

• 1998970103305879172 backwards is 2719785033010798991
• The number of decimal digits it has is: 19
• The sum of 1998970103305879172's digits is 89
• More coming soon!