71813304044217981

Names of 71813304044217981

• Cardinal: 71813304044217981 can be written as Seventy-one quadrillion, eight hundred thirteen trillion, three hundred four billion, forty-four million, two hundred seventeen thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 7.1813304044217981 × 10¹⁶

Factors of 71813304044217981

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 611

Divisors of 71813304044217981

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 243 343 441 567 601 729 1029 1323 1701 1803 2187 2401 3087 3969 4207 5103 5409 6561 7203 9261 11907 12621 15309 16227 16807 19683 21609 27783 29449 35721 37863 45927 48681 50421 64827 83349 88347 107163 113589 137781 146043 151263 194481 206143 250047 265041 321489 340767 361201 438129 453789 583443 618429 750141 795123 964467 1022301 1083603 1314387 1361367 1443001 1750329 1855287 2250423 2385369 2528407 3066903 3250809 3943161 4084101 4329003 5250987 5565861 6751269 7156107 7585221 9200709 9752427 10101007 11829483 12252303 12987009 15752961 16697583 17698849 21468321 22755663 27602127 29257281 30303021 36756909 38961027 47258883 50092749 53096547 64404963 68266989 82806381 87771843 90909063 110270727 116883081 123891943 150278247 159289641 193214889 204800967 217081801 263315529 272727189 330812181 350649243 371675829 450834741 477868923 579644667 614402901 651245403 789946587 818181567 867243601 1051947729 1115027487 1352504223 1433606769 1519572607 1843208703 1953736209 2369839761 2454544701 2601730803 3155843187 3345082461 4057512669 4300820307 4558717821 5529626109 5861208627 6070705207 7109519283 7363634103 7805192409 9467529561 10035247383 10637008249 12902460921 13676153463 16588878327 17583625881 18212115621 22090902309 23415577227 28402588683 30105742149 31911024747 38707382763 41028460389 49766634981 52750877643 54636346863 66272706927 70246731681 74459057743 90317226447 95733074241 116122148289 123085381167 158252632929 163909040589 198818120781 210740195043 223377173229 270951679341 287199222723 348366444867 369256143501 474757898787 491727121767 521213404201 632220585129 670131519687 812855038023 861597668169 1107768430503 1424273696361 1475181365301 1563640212603 1896661755387 2010394559061 2438565114069 2584793004507 3323305291509 3648493829407 4272821089083 4425544095903 4690920637809 5689985266161 6031183677183 7754379013521 9969915874527 10945481488221 13276632287709 14072761913427 17069955798483 18093551031549 23263137040563 29909747623581 32836444464663 39829896863127 42218285740281 54280653094647 69789411121689 98509333393989 119489690589381 126654857220843 162841959283941 209368233365067 295528000181967 379964571662529 488525877851823 886584000545901 1139893714987587 1465577633555469 2659752001637703 3419681144962761 7979256004913109 10259043434888283 23937768014739327 71813304044217981
• Sum of all divisors σ(n): 125879535743837568
• Sum of proper divisors (its aliquot sum) s(n): 54066231699619587
• 71813304044217981 is a deficient number, because the sum of its proper divisors (54066231699619587) is less than itself. Its deficiency is 17747072344598394

Bases of 71813304044217981

• Binary: 11111111001000011101000111001101101100111110011001111101₂
• Hexadecimal: 0xFF21D1CDB3E67D
• Base-36: JN3OWFRD2T9

Squares and roots of 71813304044217981

• 71813304044217981 squared (71813304044217981²) is 5157150637747294625593677843716361
• 71813304044217981 cubed (71813304044217981³) is 370352026750379133039372724024770882880315020087141
• The square root of 71813304044217981 is 267980044.1156355601
• The cube root of 71813304044217981 is 415656.8762957995

Scales and comparisons

• 71,813,304,044,217,981 seconds is equal to 2,283,440,935 years, 24 weeks, 3 days, 18 hours, 46 minutes, 21 seconds.
• To count from 1 to 71,813,304,044,217,981 would take you about six billion, eight hundred fifty million, three hundred twenty-two thousand, eight hundred six 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 71813304044217981 cubic inches would be around 34638.1 feet tall.

Recreational maths with 71813304044217981

• 71813304044217981 backwards is 18971244040331817
• 71813304044217981 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 71813304044217981's digits is 63
• More coming soon!