1998398677045258983960

Names of 1998398677045258983960

• Cardinal: 1998398677045258983960 can be written as One sextillion, nine hundred ninety-eight quintillion, three hundred ninety-eight quadrillion, six hundred seventy-seven trillion, forty-five billion, two hundred fifty-eight million, nine hundred eighty-three thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.99839867704525898396 × 10²¹

Factors of 1998398677045258983960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 612096971690852

Divisors of 1998398677045258983960

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 3023 6046 9069 12092 15115 18138 24184 27207 30230 36276 45345 54414 60460 72552 81621 90690 108828 120920 136035 163242 181380 217656 272070 326484 362760 408105 544140 652968 816210 1088280 1632420 3264840 612096971687819 1224193943375638 1836290915063457 2448387886751276 3060484858439095 3672581830126914 4896775773502552 5508872745190371 6120969716878190 7345163660253828 9181454575317285 11017745490380742 12241939433756380 14690327320507656 16526618235571113 18362909150634570 22035490980761484 24483878867512760 27544363725951855 33053236471142226 36725818301269140 44070981961522968 55088727451903710 66106472942284452 73451636602538280 82633091177855565 110177454903807420 132212945884568904 165266182355711130 220354909807614840 330532364711422260 661064729422844520 1850369145412276837 3700738290824553674 5551107436236830511 7401476581649107348 9251845727061384185 11102214872473661022 14802953163298214696 16653322308710491533 18503691454122768370 22204429744947322044 27755537181184152555 33306644617420983066 37007382908245536740 44408859489894644088 49959966926131474599 55511074362368305110 66613289234841966132 74014765816491073480 83266611543552457665 99919933852262949198 111022148724736610220 133226578469683932264 166533223087104915330 199839867704525898396 222044297449473220440 249799834630657372995 333066446174209830660 399679735409051796792 499599669261314745990 666132892348419661320 999199338522629491980 1998398677045258983960
• Sum of all divisors σ(n): 6663532472582283648000
• Sum of proper divisors (its aliquot sum) s(n): 4665133795537024664040
• 1998398677045258983960 is an abundant number, because the sum of its proper divisors (4665133795537024664040) is greater than itself. Its abundance is 2666735118491765680080

Bases of 1998398677045258983960

• Binary: 11011000101010101011010010100001100110101111101001110111001101000011000₂
• Hexadecimal: 0x6C555A50CD7D3B9A18
• Base-36: BPQW9KMPR37IU0

Squares and roots of 1998398677045258983960

• 1998398677045258983960 squared (1998398677045258983960²) is 3993597272416241316338104817469091537281600
• 1998398677045258983960 cubed (1998398677045258983960³) is 7980799505848171394777793568097194588366077958124799676403136000
• The square root of 1998398677045258983960 is 44703452630.0291372021
• The cube root of 1998398677045258983960 is 12595847.0336259827

Scales and comparisons

• 1,998,398,677,045,258,983,960 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 1,998,398,677,045,258,983,960 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 1998398677045258983960 cubic inches would be around 1049653.9 feet tall.

Recreational maths with 1998398677045258983960

• 1998398677045258983960 backwards is 0693898525407768938991
• The number of decimal digits it has is: 22
• The sum of 1998398677045258983960's digits is 126
• More coming soon!