12917371838805

Names of 12917371838805

• Cardinal: 12917371838805 can be written as Twelve trillion, nine hundred seventeen billion, three hundred seventy-one million, eight hundred thirty-eight thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.2917371838805 × 10¹³

Factors of 12917371838805

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 869

Divisors of 12917371838805

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 5 7 9 15 21 27 31 35 45 49 63 81 93 105 135 147 155 189 217 245 279 315 405 441 465 567 651 735 823 837 945 961 1085 1323 1395 1519 1953 2205 2469 2511 2835 2883 3255 3969 4115 4185 4557 4805 5761 5859 6615 6727 7407 7595 8649 9765 12345 12555 13671 14415 17283 17577 19845 20181 22221 22785 25513 25947 28805 29295 33635 37035 40327 41013 43245 47089 51849 60543 66663 68355 76539 77841 86415 87885 100905 111105 120981 123039 127565 129735 141267 155547 178591 181629 201635 205065 229617 235445 259245 302715 333315 362943 382695 389205 423801 466641 535773 544887 604905 615195 677329 688851 706335 777735 790903 892955 908145 1088829 1148085 1250137 1271403 1607319 1814715 2031987 2066553 2119005 2333205 2372709 2678865 2724435 3266487 3386645 3444255 3750411 3814209 3954515 4741303 4821957 5444145 5536321 6095961 6250685 6357015 7118127 8036595 10159935 10332765 11251233 11863545 14223909 14465871 16332435 16608963 18287883 18752055 19071045 20997199 21354381 23706515 24109785 27681605 30479805 33189121 33753699 35590635 38754247 42671727 49826889 54863649 56256165 62991597 64063143 71119545 72329355 83044815 91439415 99567363 101261097 104985995 106771905 116262741 128015181 146980393 149480667 165945605 168768495 188974791 193771235 213358635 249134445 274318245 298702089 314957985 320315715 348788223 384045543 440941179 448442001 497836815 506305485 566924373 581313705 640075905 650913169 734901965 747403335 896106267 944873955 1028862751 1046364669 1322823537 1493510445 1700773119 1743941115 1920227715 1952739507 2204705895 2242210005 2688318801 2834621865 3086588253 3139094007 3254565845 3968470611 4480531335 4556392183 5144313755 5231823345 5858218521 6614117685 8503865595 9259764759 9763697535 11905411833 13441594005 13669176549 15432941265 15695470035 17574655563 19842353055 22781960915 27779294277 29291092605 31894745281 41007529647 46298823795 52723966689 59527059165 68345882745 83337882831 87873277815 95684235843 123022588941 138896471385 159473726405 205037648235 263619833445 287052707529 369067766823 416689414155 478421179215 615112944705 861158122587 1435263537645 1845338834115 2583474367761 4305790612935 12917371838805
• Sum of all divisors σ(n): 27866884153878
• Sum of proper divisors (its aliquot sum) s(n): 14949512315073
• 12917371838805 is an abundant number, because the sum of its proper divisors (14949512315073) is greater than itself. Its abundance is 2032140476268

Bases of 12917371838805

• Binary: 10111011111110001111010111000010000101010101₂
• Hexadecimal: 0xBBF8F5C2155
• Base-36: 4KU5POCB9

Squares and roots of 12917371838805

• 12917371838805 squared (12917371838805²) is 166858495221952466903828025
• 12917371838805 cubed (12917371838805³) is 2155373227245427444011806920387741510125
• The square root of 12917371838805 is 3594074.5455269845
• The cube root of 12917371838805 is 23463.4239155789

Scales and comparisons

• 12,917,371,838,805 seconds is equal to 410,732 years, 24 weeks, 2 days, 12 hours, 6 minutes, 45 seconds.
• To count from 1 to 12,917,371,838,805 would take you about one million, twenty-six thousand, eight hundred thirty-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 12917371838805 cubic inches would be around 1955.3 feet tall.

Recreational maths with 12917371838805

• 12917371838805 backwards is 50883817371921
• 12917371838805 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12917371838805's digits is 63
• More coming soon!