1868081327721

Names of 1868081327721

• Cardinal: 1868081327721 can be written as One trillion, eight hundred sixty-eight billion, eighty-one million, three hundred twenty-seven thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.868081327721 × 10¹²

Factors of 1868081327721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 139

Divisors of 1868081327721

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 9 21 27 31 37 49 61 63 81 93 111 147 183 189 217 259 279 333 343 427 441 549 567 651 777 837 961 999 1029 1147 1281 1323 1519 1647 1813 1891 1953 2257 2331 2511 2883 2989 2997 3087 3441 3843 3969 4557 4941 5439 5673 5859 6727 6771 6993 8029 8649 8967 9261 10323 10633 11529 12691 13237 13671 15799 16317 17019 17577 20181 20313 20923 20979 24087 25947 26901 27783 29791 30969 31899 34587 35557 38073 39711 41013 47089 47397 48951 51057 56203 58621 60543 60939 62769 69967 72261 77841 80703 89373 92659 92907 95697 106671 110593 114219 119133 123039 141267 142191 146853 153171 168609 175863 181629 182817 188307 208537 209901 216783 242109 248899 268119 277977 287091 320013 329623 331779 342657 357399 393421 410347 423801 426573 489769 505827 527589 544887 564921 625611 629703 648613 650349 746697 774151 804357 833931 861273 960039 988869 995337 1027971 1072197 1102267 1180263 1231041 1271403 1279719 1459759 1469307 1517481 1582767 1694763 1742293 1817251 1876833 1889109 1945839 2168977 2240091 2322453 2413071 2501793 2872429 2880117 2966607 2986011 3306801 3428383 3540789 3693123 3814209 4379277 4407921 4552443 4748301 5226879 5451753 5630499 5667327 5837517 6506931 6720273 6967359 7505379 7715869 8617287 8899821 8958033 9920403 10218313 10285149 10622367 11079369 12196051 12720757 13137831 13223763 15182839 15680637 16355259 16891497 17512551 19520793 20107003 20160819 20902077 23147607 23998681 25851861 26699463 29761209 30654939 30855447 31867101 33238107 36588153 38162271 39413493 39671289 45548517 47041911 49065777 52537653 54011083 58562379 60321009 62706231 67238287 69442821 71996043 77555583 89045299 89283627 91964817 92566341 106279873 109764459 114486813 118240479 136645551 141125733 147197331 162033249 175687137 180963027 201714861 208328463 215988129 232666749 267135897 275894451 277699023 318839619 329293377 343460439 378077581 409936653 470668009 486099747 542889081 605144583 623317093 624985389 647964387 743959111 801407691 827683353 956518857 987880131 1030381317 1134232743 1229809959 1412004027 1458299241 1628667243 1815433749 1869951279 1943893161 2231877333 2404223073 2869556571 3294676063 3402698229 4236012081 4374897723 5446301247 5609853837 6695631999 7212669219 8608669713 9884028189 10208094687 12708036243 16829561511 20086895997 23062732441 29652084567 30624284061 38124108729 50488684533 60260687991 69188197323 88956253701 207564591969 266868761103 622693775907 1868081327721
• Sum of all divisors σ(n): 3510311833600
• Sum of proper divisors (its aliquot sum) s(n): 1642230505879
• 1868081327721 is a deficient number, because the sum of its proper divisors (1642230505879) is less than itself. Its deficiency is 225850821842

Bases of 1868081327721

• Binary: 11011001011110010010100101110111001101001₂
• Hexadecimal: 0x1B2F252EE69
• Base-36: NU6NE1K9

Squares and roots of 1868081327721

• 1868081327721 squared (1868081327721²) is 3489727846979854203053841
• 1868081327721 cubed (1868081327721³) is 6519095429771072759579821628128826361
• The square root of 1868081327721 is 1366777.7170121701
• The cube root of 1868081327721 is 12315.8746441951

Scales and comparisons

• 1,868,081,327,721 seconds is equal to 59,399 years, 10 weeks, 5 days, 15 hours, 55 minutes, 21 seconds.
• To count from 1 to 1,868,081,327,721 would take you about one hundred forty-eight thousand, four hundred ninety-eight 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 1868081327721 cubic inches would be around 1026.3 feet tall.

Recreational maths with 1868081327721

• 1868081327721 backwards is 1277231808681
• The number of decimal digits it has is: 13
• The sum of 1868081327721's digits is 54
• More coming soon!