20642238180347679

Names of 20642238180347679

• Cardinal: 20642238180347679 can be written as Twenty quadrillion, six hundred forty-two trillion, two hundred thirty-eight billion, one hundred eighty million, three hundred forty-seven thousand, six hundred seventy-nine.

Scientific notation

• Scientific notation: 2.0642238180347679 × 10¹⁶

Factors of 20642238180347679

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 344

Divisors of 20642238180347679

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 21 27 41 49 63 81 123 147 189 243 287 293 369 441 567 861 879 1107 1323 1681 1701 2009 2051 2583 2637 3321 3969 5043 6027 6153 7749 7911 9963 11767 11907 12013 14357 15129 18081 18459 23247 23733 35301 36039 43071 45387 54243 55377 68921 69741 71199 82369 84091 85849 105903 108117 129213 136161 162729 166131 206763 247107 252273 257547 317709 324351 387639 408483 482447 488187 492533 498393 588637 600943 620289 741321 756819 772641 953127 973053 1162917 1447341 1477599 1765911 1802829 1860867 2223963 2270457 2317923 2859381 2919159 3377129 3447731 3488751 3519809 4206601 4342023 4432797 5297733 5408487 5582601 6671889 6811371 6953769 10131387 10343193 10559427 12619803 13026069 13298391 15893199 16225461 16747803 20015667 20193853 20434113 20861307 24134117 24638663 25153757 30394161 31029579 31678281 37859409 39078207 39895173 47679597 48676383 60581559 72402351 73915989 75461271 91182483 93088737 95034843 113578227 117234621 119685519 141356971 143038791 144312169 146029149 172470641 176076299 181744677 217207053 221747967 226383813 273547449 279266211 285104529 340734681 424070913 432936507 517411923 528228897 545234031 651621159 665243901 679151439 820642347 837798633 855313587 989498797 1010185183 1022204043 1031304037 1232534093 1272212739 1298809521 1552235769 1584686691 1635702093 1954863477 1995731703 2037454317 2968496391 3030555549 3093912111 3697602279 3816638217 3896428563 4656707307 4754060073 4907106279 5864590431 5916798929 5987195109 6112362951 7071296281 7219128259 8905489173 9091666647 9281736333 11092806837 11449914651 11689285689 13970121921 14262180219 17750396787 21213888843 21657384777 26716467519 27274999941 27845208999 33278420511 34349743953 35067857067 41417592503 41910365763 42283465517 42786540657 50533897813 53251190361 63641666529 64972154331 80149402557 81824999823 83535626997 99835261533 124252777509 126850396551 151601693439 159753571083 190924999587 194916462993 240448207671 245474999469 250606880991 289923147521 295984258619 299505784599 372758332527 380551189653 454805080317 479260713249 572774998761 584749388979 869769442563 887952775857 1118274997581 1141653568959 1364415240951 1437782139747 1718324996283 1733622086197 1754248166937 2071889810333 2609308327689 2663858327571 3354824992743 3424960706877 4093245722853 5200866258591 6215669430999 7827924983067 7991574982713 10064474978229 10274882120631 12135354603379 12279737168559 15602598775773 18647008292997 23483774949201 23974724948139 36406063810137 46807796327319 55941024878991 70451324847603 71924174844417 84947482223653 109218191430411 140423388981957 167823074636973 254842446670959 327654574291233 421270166945871 503469223910919 764527340012877 982963722873699 2293582020038631 2948891168621097 6880746060115893 20642238180347679
• Sum of all divisors σ(n): 36994669438708800
• Sum of proper divisors (its aliquot sum) s(n): 16352431258361121
• 20642238180347679 is a deficient number, because the sum of its proper divisors (16352431258361121) is less than itself. Its deficiency is 4289806921986558

Bases of 20642238180347679

• Binary: 1001001010101100000000110011010000110111100111100011111₂
• Hexadecimal: 0x4956019A1BCF1F
• Base-36: 5N929B1S6XR

Squares and roots of 20642238180347679

• 20642238180347679 squared (20642238180347679²) is 426101997094203457856489320687041
• 20642238180347679 cubed (20642238180347679³) is 8795698913140362390700960380272387911952529727839
• The square root of 20642238180347679 is 143674069.2691192589
• The cube root of 20642238180347679 is 274316.7088385587

Scales and comparisons

• 20,642,238,180,347,679 seconds is equal to 656,359,323 years, 26 weeks, 34 minutes, 39 seconds.
• To count from 1 to 20,642,238,180,347,679 would take you about one billion, nine hundred sixty-nine million, seventy-seven thousand, nine hundred seventy 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 20642238180347679 cubic inches would be around 22859.7 feet tall.

Recreational maths with 20642238180347679

• 20642238180347679 backwards is 97674308183224602
• The number of decimal digits it has is: 17
• The sum of 20642238180347679's digits is 72
• More coming soon!