81742649859342

Names of 81742649859342

• Cardinal: 81742649859342 can be written as Eighty-one trillion, seven hundred forty-two billion, six hundred forty-nine million, eight hundred fifty-nine thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 8.1742649859342 × 10¹³

Factors of 81742649859342

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 102

Divisors of 81742649859342

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 6 9 18 23 27 31 43 46 54 62 69 81 86 93 129 138 162 186 207 243 258 279 387 414 486 529 558 621 713 729 774 837 989 1058 1161 1242 1333 1426 1458 1587 1674 1849 1863 1978 2139 2322 2511 2666 2967 3174 3483 3698 3726 3999 4278 4761 5022 5547 5589 5934 6417 6966 7533 7998 8901 9522 10449 11094 11178 11997 12834 14283 15066 16399 16641 16767 17802 19251 20898 22599 22747 23994 26703 28566 30659 31347 32798 33282 33534 35991 38502 42527 42849 45198 45494 49197 49923 53406 57319 57753 61318 62694 68241 71982 79507 80109 85054 85698 91977 98394 99846 107973 114638 115506 127581 128547 136482 147591 149769 159014 160218 171957 173259 183954 204723 215946 238521 240327 255162 257094 275931 295182 299538 323919 343914 346518 382743 385641 409446 442773 449307 477042 480654 515871 519777 551862 614169 647838 705157 715563 720981 765486 771282 827793 885546 898614 971757 978121 1031742 1039554 1148229 1228338 1318337 1328319 1347921 1410314 1431126 1441962 1547613 1655586 1828661 1842507 1943514 1956242 2115471 2146689 2296458 2464717 2483379 2636674 2656638 2695842 2934363 3095226 3418801 3444687 3657322 3685014 3955011 3984957 4230942 4293378 4642839 4929434 4966758 5485983 5527521 5868726 6346413 6440067 6837602 6889374 7394151 7450137 7910022 7969914 8803089 9285678 10256403 10334061 10971966 11055042 11865033 11954871 12692826 12880134 13928517 14788302 14900274 16457949 16582563 17606178 19039239 19320201 20512806 20668122 22182453 22350411 23730066 23909742 26409267 27857034 30321751 30769209 31002183 32915898 33165126 35595099 38078478 38640402 41785551 42059203 44364906 44700822 49373847 52818534 56688491 57117717 57960603 60643502 61538418 62004366 66547359 71190198 78632423 79227801 83571102 84118406 90965253 92307627 98747694 105982831 106785297 113376982 114235434 115921206 126177609 133094718 148121541 157264846 158455602 170065473 171353151 181930506 184615254 199642077 211965662 213570594 235897269 237683403 252355218 272895759 276922881 296243082 317948493 320355891 340130946 342706302 378532827 399284154 444364623 471794538 475366806 510196419 514059453 545791518 553845762 598926231 635896986 640711782 707691807 713050209 757065654 818687277 830768643 888729246 953845479 961067673 1020392838 1028118906 1135598481 1197852462 1303835293 1333093869 1415383614 1426100418 1530589257 1637374554 1661537286 1796778693 1808545729 1907690958 1922135346 2123075421 2271196962 2437605113 2456061831 2492305929 2607670586 2666187738 2861536437 3061178514 3406795443 3593557386 3617091458 3911505879 4246150842 4591767771 4875210226 4912123662 4984611858 5425637187 5723072874 6369226263 6813590886 7312815339 7368185493 7823011758 8584609311 9183535542 10220386329 10851274374 11734517637 12738452526 13775303313 14625630678 14736370986 16276911561 17169218622 19107678789 20440772658 21938446017 22104556479 23469035274 25753827933 27550606626 30661158987 32553823122 35203552911 38215357578 41325909939 43876892034 44209112958 48830734683 51507655866 56064917599 57323036367 61322317974 65815338051 70407105822 77261483799 82651819878 97661469366 105610658733 112129835198 114646072734 131630676102 146492204049 154522967598 168194752797 197446014153 211221317466 292984408098 316831976199 336389505594 394892028306 439476612147 504584258391 592338042459 633663952398 878953224294 950495928597 1009168516782 1184676084918 1318429836441 1513752775173 1777014127377 1900991857194 2636859672882 3027505550346 3554028254754 4541258325519 9082516651038 13623774976557 27247549953114 40871324929671 81742649859342
• Sum of all divisors σ(n): 203099807061984
• Sum of proper divisors (its aliquot sum) s(n): 121357157202642
• 81742649859342 is an abundant number, because the sum of its proper divisors (121357157202642) is greater than itself. Its abundance is 39614507343300

Bases of 81742649859342

• Binary: 10010100101100000110001100110111001110100001110₂
• Hexadecimal: 0x4A58319B9D0E
• Base-36: SZ41Z6YVI

Squares and roots of 81742649859342

• 81742649859342 squared (81742649859342²) is 6681860806026984692384672964
• 81742649859342 cubed (81742649859342³) is 546193008275924523010814374599271270229688
• The square root of 81742649859342 is 9041164.1871687077
• The cube root of 81742649859342 is 43399.3179225807

Scales and comparisons

• 81,742,649,859,342 seconds is equal to 2,599,163 years, 21 weeks, 5 days, 11 hours, 35 minutes, 42 seconds.
• To count from 1 to 81,742,649,859,342 would take you about six million, four hundred ninety-seven thousand, nine hundred eight 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 81742649859342 cubic inches would be around 3616.6 feet tall.

Recreational maths with 81742649859342

• 81742649859342 backwards is 24395894624718
• The number of decimal digits it has is: 14
• The sum of 81742649859342's digits is 72
• More coming soon!