19964390512815

Names of 19964390512815

• Cardinal: 19964390512815 can be written as Nineteen trillion, nine hundred sixty-four billion, three hundred ninety million, five hundred twelve thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.9964390512815 × 10¹³

Factors of 19964390512815

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6257

Divisors of 19964390512815

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 97 103 105 135 189 291 309 315 373 485 515 679 721 873 927 945 1119 1455 1545 1865 2037 2163 2611 2619 2781 3357 3395 3605 4365 4635 5595 5669 6111 6489 7833 9991 10071 10185 10815 13055 13095 13905 16785 17007 18333 19467 23499 28345 29973 30555 32445 36181 38419 39165 39683 49955 50355 51021 69937 70497 85035 89919 91665 97335 108543 115257 117495 119049 149865 153063 180905 192095 198415 209811 253267 255105 268933 269757 325629 345771 349685 352485 357147 449595 542715 549893 576285 583907 595245 629433 759801 765315 806799 976887 1037313 1049055 1071441 1266335 1344665 1348785 1628145 1649679 1728855 1751721 1785735 1888299 2114537 2279403 2420397 2749465 2919535 3147165 3726643 3799005 3849251 4033995 4087349 4884435 4949037 5186565 5255163 5357205 6343611 6838209 7261191 8248395 8758605 9441495 10572685 11179929 11397015 11547753 12101985 12262047 14801759 14847111 15765489 18633215 19030833 19246255 20436745 24745185 26086501 26275815 31718055 33539787 34191045 34643259 36305955 36786141 44405277 55899645 56638979 57092499 57738765 61310235 74008795 74235555 78259503 78827445 95154165 100619361 103929777 110358423 130432505 133215831 167698935 169916937 173216295 183930705 205110089 217797311 222026385 234778509 283194895 285462495 391297515 396472853 399647493 503096805 509750811 519648885 551792115 615330267 653391933 666079155 704335527 849584685 1025550445 1088986555 1173892545 1189418559 1435770623 1524581177 1529252433 1845990801 1960175799 1982364265 1998237465 2548754055 3076651335 3266959665 3521677635 3568255677 4307311869 4573743531 5537972403 5880527397 5947092795 7178853115 7622905885 7646262165 9229954005 9800878995 10704767031 12921935607 13721230593 17841278385 21126339167 21536559345 22868717655 27689862015 29402636985 38765806821 41163691779 53523835155 63379017501 64609678035 68606152965 105631695835 147884374169 190137052503 193829034105 205818458895 316895087505 443653122507 570411157509 739421870845 950685262515 1330959367521 2218265612535 2852055787545 3992878102563 6654796837605 19964390512815
• Sum of all divisors σ(n): 41496866611200
• Sum of proper divisors (its aliquot sum) s(n): 21532476098385
• 19964390512815 is an abundant number, because the sum of its proper divisors (21532476098385) is greater than itself. Its abundance is 1568085585570

Bases of 19964390512815

• Binary: 100100010100001010010011001111001100010101111₂
• Hexadecimal: 0x1228526798AF
• Base-36: 72RIIN99R

Squares and roots of 19964390512815

• 19964390512815 squared (19964390512815²) is 398576888548177578679224225
• 19964390512815 cubed (19964390512815³) is 7957344652358558070841402335734120943375
• The square root of 19964390512815 is 4468152.9195871307
• The cube root of 19964390512815 is 27128.0567588749

Scales and comparisons

• 19,964,390,512,815 seconds is equal to 634,805 years, 44 weeks, 6 days, 15 hours, 20 minutes, 15 seconds.
• To count from 1 to 19,964,390,512,815 would take you about one million, five hundred eighty-seven thousand and fourteen 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 19964390512815 cubic inches would be around 2260.7 feet tall.

Recreational maths with 19964390512815

• 19964390512815 backwards is 51821509346991
• 19964390512815 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19964390512815's digits is 63
• More coming soon!