1998879671365055808

Names of 1998879671365055808

• Cardinal: 1998879671365055808 can be written as One quintillion, nine hundred ninety-eight quadrillion, eight hundred seventy-nine trillion, six hundred seventy-one billion, three hundred sixty-five million, fifty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.998879671365055808 × 10¹⁸

Factors of 1998879671365055808

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 20858476

Divisors of 1998879671365055808

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 168 186 192 217 224 248 336 372 434 448 496 651 672 744 761 868 992 1302 1344 1488 1522 1736 1984 2283 2604 2976 3023 3044 3472 4566 5208 5327 5952 6046 6088 6944 9069 9132 10416 10654 12092 12176 13888 15981 18138 18264 20832 21161 21308 23591 24184 24352 31962 36276 36528 41664 42322 42616 47182 48368 48704 63483 63924 70773 72552 73056 84644 85232 93713 94364 96736 126966 127848 141546 145104 146112 165137 169288 170464 187426 188728 193472 253932 255696 281139 283092 290208 330274 338576 340928 374852 377456 495411 507864 511392 562278 566184 580416 655991 660548 677152 749704 754912 990822 1015728 1022784 1124556 1132368 1311982 1321096 1354304 1499408 1509824 1967973 1981644 2031456 2249112 2264736 2300503 2623964 2642192 2998816 3935946 3963288 4062912 4498224 4529472 4601006 5247928 5284384 5997632 6901509 7871892 7926576 8996448 9202012 10495856 10568768 13803018 15743784 15853152 16103521 17992896 18404024 20854649 20991712 27606036 31487568 31706304 32207042 36808048 41709298 41983424 48310563 55212072 62563947 62975136 64414084 71315593 73616096 83418596 96621126 110424144 125127894 125950272 128828168 142631186 145982543 147232192 166837192 193242252 213946779 220848288 250255788 257656336 285262372 291965086 333674384 386484504 427893558 437947629 441696576 499209151 500511576 515312672 570524744 583930172 646494119 667348768 772969008 855787116 875895258 998418302 1001023152 1030625344 1141049488 1167860344 1292988238 1334697536 1497627453 1545938016 1711574232 1751790516 1939482357 1996836604 2002046304 2282098976 2335720688 2585976476 2995254906 3091876032 3423148464 3503581032 3878964714 3993673208 4004092608 4525458833 4564197952 4671441376 5171952952 5990509812 6846296928 7007162064 7757929428 7987346416 9050917666 9342882752 10343905904 11981019624 13576376499 13692593856 14014324128 15515858856 15870387889 15974692832 18101835332 20687811808 23962039248 27152752998 28028648256 31031717712 31740775778 31949385664 36203670664 41375623616 47611163667 47924078496 54305505996 62063435424 63043603927 63481551556 72407341328 95222327334 95848156992 108611011992 111092715223 124126870848 126087207854 126963103112 144814682656 189130811781 190444654668 217222023984 222185430446 252174415708 253926206224 289629365312 333278145669 378261623562 380889309336 434444047968 441305227489 444370860892 491982024559 504348831416 507852412448 666556291338 756523247124 761778618672 868888095936 882610454978 888741721784 983964049118 1008697662832 1015704824896 1323915682467 1333112582676 1475946073677 1513046494248 1523557237344 1765220909956 1777483443568 1954351721737 1967928098236 2017395325664 2647831364934 2666225165352 2951892147354 3026092988496 3047114474688 3443874171913 3530441819912 3554966887136 3908703443474 3935856196472 4034790651328 5295662729868 5332450330704 5863055165211 5903784294708 6052185976992 6887748343826 7060883639824 7109933774272 7817406886948 7871712392944 10331622515739 10591325459736 10664900661408 11726110330422 11807568589416 12104371953984 13680462052159 13775496687652 14121767279648 15634813773896 15743424785888 20663245031478 21182650919472 21329801322816 23452220660844 23615137178832 27360924104318 27550993375304 28243534559296 31269627547792 31486849571776 41041386156477 41326490062956 42365301838944 46904441321688 47230274357664 47976182588447 54721848208636 55101986750608 62539255095584 82082772312954 82652980125912 84730603677888 93808882643376 94460548715328 95952365176894 109443696417272 110203973501216 125078510191168 143928547765341 164165544625908 165305960251824 187617765286752 191904730353788 218887392834544 220407947002432 287857095530682 328331089251816 330611920503648 335833278119129 375235530573504 383809460707576 437774785669088 575714191061364 656662178503632 661223841007296 671666556238258 767618921415152 875549571338176 1007499834357387 1151428382122728 1313324357007264 1343333112476516 1487261660241857 1535237842830304 2014999668714774 2302856764245456 2626648714014528 2686666224953032 2974523320483714 3070475685660608 4029999337429548 4461784980725571 4605713528490912 5373332449906064 5949046640967428 8059998674859096 8923569961451142 9211427056981824 10410831621692999 10746664899812128 11898093281934856 16119997349718192 17847139922902284 20821663243385998 21493329799624256 23796186563869712 31232494865078997 32239994699436384 35694279845804568 41643326486771996 47592373127739424 62464989730157994 64479989398872768 71388559691609136 83286652973543992 95184746255478848 124929979460315988 142777119383218272 166573305947087984 249859958920631976 285554238766436544 333146611894175968 499719917841263952 666293223788351936 999439835682527904 1998879671365055808
• Sum of all divisors σ(n): 6249472211843481600
• Sum of proper divisors (its aliquot sum) s(n): 4250592540478425792
• 1998879671365055808 is an abundant number, because the sum of its proper divisors (4250592540478425792) is greater than itself. Its abundance is 2251712869113369984

Bases of 1998879671365055808

• Binary: 1101110111101011100100111100001111000011101101011010101000000₂
• Hexadecimal: 0x1BBD72787876B540
• Base-36: F6PRPG4J1BUO

Squares and roots of 1998879671365055808

• 1998879671365055808 squared (1998879671365055808²) is 3995519940596473507916624078954532864
• 1998879671365055808 cubed (1998879671365055808³) is 7986563585792006269559155072754412274926010533930074112
• The square root of 1998879671365055808 is 1413817410.9003806607
• The cube root of 1998879671365055808 is 1259685.7516825207

Scales and comparisons

• 1,998,879,671,365,055,808 seconds is equal to 63,558,190,608 years, 32 weeks, 3 days, 23 hours, 56 minutes, 48 seconds.
• To count from 1 to 1,998,879,671,365,055,808 would take you about two hundred twenty-two billion, four hundred fifty-three million, six hundred sixty-seven thousand, one hundred thirty 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 1998879671365055808 cubic inches would be around 104973.8 feet tall.

Recreational maths with 1998879671365055808

• 1998879671365055808 backwards is 8085505631769788991
• The number of decimal digits it has is: 19
• The sum of 1998879671365055808's digits is 105
• More coming soon!