1998087831821494061

Names of 1998087831821494061

• Cardinal: 1998087831821494061 can be written as One quintillion, nine hundred ninety-eight quadrillion, eighty-seven trillion, eight hundred thirty-one billion, eight hundred twenty-one million, four hundred ninety-four thousand and sixty-one.

Scientific notation

• Scientific notation: 1.998087831821494061 × 10¹⁸

Factors of 1998087831821494061

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6146

Divisors of 1998087831821494061

• Number of divisors d(n): 144
• Complete list of divisors:
  1 11 31 37 121 341 407 961 1147 1331 1369 3751 4477 6067 10571 12617 15059 29791 35557 41261 42439 49247 66737 116281 138787 165649 188077 224479 327701 391127 466829 734107 1102267 1279091 1315609 1526657 1822139 2068847 2469269 3604711 4302397 5135119 5830387 6958849 8075177 8305723 12124937 14471699 22757317 27161959 36808489 39651821 40783879 47326367 56486309 64134257 76547339 91362953 133374307 159188689 180741997 215724319 250330487 257477413 298781549 404893379 448622669 705476827 842020729 1004992483 1141063159 1361914093 1467117377 1751075579 1988161967 2372967509 2832251543 4453827169 4934849359 6687453889 7760245097 7981799803 9262228019 11054917313 12551694749 14981055023 21869781637 26102642599 31154766973 35372957929 42219336883 48992098859 50390821441 54283342949 73561992779 87799797833 138068642239 164791605253 240567598007 247435793893 287129068589 342702436703 389102537219 464412705713 554299035851 809181920569 965797776163 1096561695799 1308799443373 1518755064629 1562115464671 1812707657783 2721793732823 4280127909409 5108539762843 6097289394361 8901001126259 10623775537793 12062178653789 14396793877103 17183270111381 29939731061053 40572782744563 47081407003499 48425579404801 56193937391273 67070183337971 132683965191679 158364732648133 189015971225191 329337041671583 446300610190193 532681373452811 1459523617108469 1501192961548831 1742012059129463 2079175683477101 4909306712092123 5859495107980921 16513122577037141 54002373833013353 64454446187790131 181644348347408551 1998087831821494061
• Sum of all divisors σ(n): 2334424343240231424
• Sum of proper divisors (its aliquot sum) s(n): 336336511418737363
• 1998087831821494061 is a deficient number, because the sum of its proper divisors (336336511418737363) is less than itself. Its deficiency is 1661751320402756698

Bases of 1998087831821494061

• Binary: 1101110111010101000100100101111110101110000000010011100101101₂
• Hexadecimal: 0x1BBAA24BF5C0272D
• Base-36: F6HZ0U27HOVH

Squares and roots of 1998087831821494061

• 1998087831821494061 squared (1998087831821494061²) is 3992354983673119134720595874258271721
• 1998087831821494061 cubed (1998087831821494061³) is 7977075913189158933389691535942687281905800149925748981
• The square root of 1998087831821494061 is 1413537347.1618972619
• The cube root of 1998087831821494061 is 1259519.3917048221

Scales and comparisons

• 1,998,087,831,821,494,061 seconds is equal to 63,533,012,560 years, 24 weeks, 47 minutes, 41 seconds.
• To count from 1 to 1,998,087,831,821,494,061 would take you about two hundred twenty-two billion, three hundred sixty-five million, five hundred forty-three thousand, nine hundred sixty-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 1998087831821494061 cubic inches would be around 104959.9 feet tall.

Recreational maths with 1998087831821494061

• 1998087831821494061 backwards is 1604941281387808991
• The number of decimal digits it has is: 19
• The sum of 1998087831821494061's digits is 89
• More coming soon!