990998912627453125

Names of 990998912627453125

• Cardinal: 990998912627453125 can be written as Nine hundred ninety quadrillion, nine hundred ninety-eight trillion, nine hundred twelve billion, six hundred twenty-seven million, four hundred fifty-three thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 9.90998912627453125 × 10¹⁷

Factors of 990998912627453125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2018

Divisors of 990998912627453125

• Number of divisors d(n): 336
• Complete list of divisors:
  1 5 11 23 25 55 115 121 125 253 275 529 575 605 625 1265 1331 1375 1979 2645 2783 2875 3025 3125 5819 6325 6655 6875 9895 12167 13225 13915 14375 15125 15625 21769 29095 30613 31625 33275 34375 45517 49475 60835 64009 66125 69575 71875 75625 108845 133837 145475 153065 158125 166375 171875 227585 239459 247375 304175 320045 330625 347875 359375 378125 500687 544225 669185 704099 727375 765325 790625 831875 1046891 1137925 1197295 1236875 1472207 1520875 1600225 1653125 1739375 1890625 2503435 2634049 2721125 3345925 3520495 3636875 3826625 3916441 3953125 4159375 5234455 5507557 5689625 5986475 6184375 7361035 7604375 8001125 8265625 8696875 11515801 12517175 13170245 13605625 16194277 16729625 17602475 18184375 19133125 19582205 20796875 24078493 26172275 27537785 28448125 29932375 30921875 36805175 38021875 40005625 43080851 43484375 57579005 60583127 62585875 65851225 68028125 80971385 83648125 88012375 90078143 90921875 95665625 97911025 120392465 126673811 130861375 137688925 142240625 149661875 184025875 190109375 200028125 215404255 264863423 287895025 302915635 312929375 329256125 340140625 404856925 418240625 440061875 450390715 473889361 478328125 489555125 601962325 633369055 654306875 688444625 711203125 748309375 920129375 990859573 1000140625 1077021275 1324317115 1393411921 1439475125 1514578175 1564646875 1646280625 2024284625 2071797289 2091203125 2200309375 2251953575 2369446805 2447775625 2913497653 3009811625 3166845275 3271534375 3442223125 3741546875 4600646875 4954297865 5212782971 5385106375 6621585575 6967059605 7197375625 7572890875 7823234375 8231403125 10121423125 10358986445 10899455303 11001546875 11259767875 11847234025 12238878125 14567488265 15049058125 15834226375 16357671875 17211115625 22789770179 23003234375 24771489325 26063914855 26925531875 32048474183 33107927875 34835298025 35986878125 37864454375 41157015625 47651337647 50607115625 51794932225 54497276515 56298839375 59236170125 61194390625 72837441325 75245290625 79171131875 86055578125 113948850895 119894008333 123857446625 130319574275 134627659375 160242370915 165539639375 174176490125 179934390625 189322271875 238256688235 250687471969 253035578125 258974661125 272486382575 281494196875 296180850625 364187206625 376226453125 395855659375 524164714117 569744254475 599470041665 619287233125 651597871375 673138296875 801211854575 827698196875 870882450625 946611359375 1191283441175 1253437359845 1294873305625 1362431912875 1407470984375 1480904253125 1820936033125 1979278296875 2620823570585 2757562191659 2848721272375 2997350208325 3096436165625 3257989356875 4006059272875 4138490984375 4354412253125 5765811855287 5956417205875 6267186799225 6474366528125 6812159564375 7404521265625 9104680165625 13104117852925 13787810958295 14243606361875 14986751041625 15482180828125 16289946784375 20030296364375 21772061265625 28829059276435 29782086029375 31335933996125 32371832640625 34060797821875 45523400828125 63423930408157 65520589264625 68939054791475 71218031809375 74933755208125 81449733921875 100151481821875 144145296382175 148910430146875 156679669980625 170303989109375 317119652040785 327602946323125 344695273957375 356090159046875 374668776040625 500757409109375 720726481910875 744552150734375 783398349903125 1585598260203925 1638014731615625 1723476369786875 1873343880203125 3603632409554375 3916991749515625 7927991301019625 8190073658078125 8617381848934375 18018162047771875 39639956505098125 43086909244671875 90090810238859375 198199782525490625 990998912627453125
• Sum of all divisors σ(n): 1425160455675166080
• Sum of proper divisors (its aliquot sum) s(n): 434161543047712955
• 990998912627453125 is a deficient number, because the sum of its proper divisors (434161543047712955) is less than itself. Its deficiency is 556837369579740170

Bases of 990998912627453125

• Binary: 110111000000101111000100001010101111111101010010110011000101₂
• Hexadecimal: 0xDC0BC42AFF52CC5
• Base-36: 7J1RSNJKP9L1

Squares and roots of 990998912627453125

• 990998912627453125 squared (990998912627453125²) is 982078844828794472805697424072265625
• 990998912627453125 cubed (990998912627453125³) is 973239067339760589006276916601480210288593292236328125
• The square root of 990998912627453125 is 995489283.0299345443
• The cube root of 990998912627453125 is 996990.5900793691

Scales and comparisons

• 990,998,912,627,453,125 seconds is equal to 31,510,700,060 years, 33 weeks, 6 days, 5 minutes, 25 seconds.
• To count from 1 to 990,998,912,627,453,125 would take you about ninety-four billion, five hundred thirty-two million, one hundred thousand, one hundred eighty-one 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 990998912627453125 cubic inches would be around 83082.5 feet tall.

Recreational maths with 990998912627453125

• 990998912627453125 backwards is 521354726219899099
• The number of decimal digits it has is: 18
• The sum of 990998912627453125's digits is 91
• More coming soon!