81797331689073

Names of 81797331689073

• Cardinal: 81797331689073 can be written as Eighty-one trillion, seven hundred ninety-seven billion, three hundred thirty-one million, six hundred eighty-nine thousand and seventy-three.

Scientific notation

• Scientific notation: 8.1797331689073 × 10¹³

Factors of 81797331689073

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 186

Divisors of 81797331689073

• Number of divisors d(n): 648
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 49 63 73 77 79 91 99 117 143 147 169 189 219 231 237 273 297 351 429 441 507 511 539 553 637 657 693 711 803 819 869 949 1001 1027 1183 1287 1323 1521 1533 1617 1659 1859 1911 1971 2079 2133 2409 2457 2607 2847 3003 3081 3549 3577 3861 3871 4563 4599 4851 4977 5329 5577 5621 5733 5767 6083 6241 6643 7007 7189 7227 7821 8281 8541 9009 9243 10439 10647 10731 11297 11613 12337 13013 13351 13797 14553 14931 15987 16731 16863 17199 17301 18249 18723 19929 21021 21567 21681 23463 24843 25623 27027 27729 31317 31941 32193 33891 34839 37011 37303 39039 39347 40053 40369 42581 43687 46501 47961 50193 50323 50589 51903 54747 56169 58619 59787 63063 63437 64701 68651 69277 73073 74529 74971 79079 81133 86359 91091 93457 93951 96579 101673 104517 111033 111909 117117 118041 120159 121107 127743 131061 135707 139503 143883 146861 150969 151767 155709 164241 168507 175857 179361 189189 190311 194103 205953 207831 219219 223587 224913 237237 243399 259077 261121 273273 280371 281853 282583 305019 305809 333099 335727 351351 354123 360477 363321 383229 393183 407121 410333 418509 420991 440583 444059 452907 455593 480557 484939 511511 524797 527571 553553 567931 570933 604513 617859 623493 654199 657657 674739 711711 730197 762047 777231 783363 819819 824681 841113 847749 892463 900601 917427 949949 974623 1007181 1028027 1054729 1062369 1089963 1149687 1179549 1221363 1230999 1255527 1262973 1321749 1332177 1358721 1366779 1441671 1454817 1534533 1574391 1582713 1660659 1703793 1712799 1813539 1853577 1870479 1962597 1972971 2024217 2135133 2190591 2286141 2331693 2350089 2459457 2474043 2523339 2543247 2677389 2701803 2752281 2849847 2872331 2923869 2946937 3084081 3108413 3164187 3189151 3363899 3394573 3664089 3673579 3692997 3788919 3965247 3975517 3996531 4100337 4325013 4364451 4603599 4630901 4723173 4981977 5011523 5111379 5334329 5440617 5472883 5772767 5887791 5922709 6247241 6304207 6649643 6822361 6858423 7050267 7196189 7383103 7422129 7629741 8032167 8105409 8256843 8549541 8616993 8771607 8840811 9252243 9325239 9492561 9567453 9906611 10091697 10183719 10720853 11020737 11078991 11366757 11602019 11926551 11989593 12301011 12975039 13093353 13810797 13892703 14169519 14945931 15034569 15334137 16002987 16321851 16418649 17318301 17663373 17768127 18741723 18912621 19948929 20467083 20575269 20628559 21588567 22149309 22266387 22324057 24096501 24316227 25648623 25850979 26314821 26522433 27756729 27975717 28477683 28702359 29719833 30275091 30551157 32162559 32416307 33062211 33258289 34806057 35080661 35779653 37340303 38310181 40409369 41458963 41678109 43730687 44129449 45103707 47756527 48008961 49255947 51681721 51954903 53304381 56225169 56737863 59846787 60201713 61401249 61885677 64765701 65149799 66447927 66972171 69346277 71147479 75045971 76995217 77552937 79567299 81214133 83927151 86107077 89159499 90825273 91653471 96487677 97248921 99186633 99774867 104418171 105241983 107338959 112020909 114930543 121228107 124376889 125034327 131192061 132388347 135311121 143269581 144026883 147767841 155045163 155864709 159913143 168675507 170213589 179540361 180605139 184203747 185657031 194297103 195449397 199343781 200916513 208038831 213442437 225137913 226914149 230985651 232808023 243642399 245564627 267478497 268171267 289463031 290212741 291746763 299324601 313254513 315725949 336062727 344791629 363684321 365841179 373130667 393576183 397165041 421411991 429808743 432357757 456048593 465135489 485423939 498032353 525321797 538966519 541815417 556971093 568498931 586348191 602749539 624116493 640327311 675413739 680742447 692956953 698424069 730927197 736693881 782622269 804513801 846947387 870638223 875240289 897973803 947177847 1008188181 1034374887 1091052963 1097523537 1119392001 1180728549 1191495123 1264235973 1289426229 1297073271 1368145779 1395406467 1456271817 1494097059 1575965391 1616899557 1625446251 1629656161 1705496793 1759044573 1872349479 1920981933 2026241217 2042227341 2078870859 2095272207 2192781591 2210081643 2347866807 2413541403 2540842161 2560888253 2611914669 2949883937 3026504299 3192340151 3292570611 3486226471 3772765633 3792707919 3891219813 4104437337 4368815451 4482291177 4727896173 4755935327 4850698671 4888968483 5116490379 5478355883 5620650841 5928631709 6126682023 6285816621 6630244929 7043600421 7240624209 7622526483 7682664759 7835744007 8849651811 9079512897 9577020453 9877711833 10458679413 11318296899 11378123757 11673659439 12313312011 13106446353 13446873531 14183688519 14267805981 14552096013 14666905449 15349471137 16435067649 16861952523 17785895127 17926217771 21130801263 21185530093 22867579449 23047994277 26548955433 27238538691 28731061359 31376038239 33291547289 33954890697 38348491181 39344555887 41500421963 42803417943 44000716347 49305202947 50585857569 53357685381 53778653313 61827159251 63556590279 69143982831 79646866299 81715616073 86193184077 94128114717 99874641867 101864672091 115045473543 118033667661 124501265889 128410253829 147915608841 151757572707 160073056143 161335959939 185481477753 190669770837 233040831023 275411891209 299623925601 345136420629 354101002983 373503797667 432790114757 484007879817 556444433259 572009312511 699122493069 826235673627 898871776803 1035409261887 1062303008949 1120511393001 1298370344271 1669333299777 2097367479207 2478707020881 3029530803299 3895111032813 6292102437621 7436121062643 9088592409897 11685333098439 27265777229691 81797331689073
• Sum of all divisors σ(n): 170996783257440
• Sum of proper divisors (its aliquot sum) s(n): 89199451568367
• 81797331689073 is an abundant number, because the sum of its proper divisors (89199451568367) is greater than itself. Its abundance is 7402119879294

Bases of 81797331689073

• Binary: 10010100110010011101100111001100001111001110001₂
• Hexadecimal: 0x4A64ECE61E71
• Base-36: SZT6BCCQ9

Squares and roots of 81797331689073

• 81797331689073 squared (81797331689073²) is 6690803471452226003147599329
• 81797331689073 cubed (81797331689073³) is 547289870820778801550270952836516611432017
• The square root of 81797331689073 is 9044187.7296456535
• The cube root of 81797331689073 is 43408.9931049537

Scales and comparisons

• 81,797,331,689,073 seconds is equal to 2,600,902 years, 6 weeks, 6 days, 44 minutes, 33 seconds.
• To count from 1 to 81,797,331,689,073 would take you about six million, five hundred two thousand, two hundred fifty-five 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 81797331689073 cubic inches would be around 3617.4 feet tall.

Recreational maths with 81797331689073

• 81797331689073 backwards is 37098613379718
• The number of decimal digits it has is: 14
• The sum of 81797331689073's digits is 72
• More coming soon!