81798838092914382

Names of 81798838092914382

• Cardinal: 81798838092914382 can be written as Eighty-one quadrillion, seven hundred ninety-eight trillion, eight hundred thirty-eight billion, ninety-two million, nine hundred fourteen thousand, three hundred eighty-two.

Scientific notation

• Scientific notation: 8.1798838092914382 × 10¹⁶

Factors of 81798838092914382

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2651347

Divisors of 81798838092914382

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 41 53 54 66 82 99 106 121 123 159 198 242 246 297 318 363 369 451 477 583 594 726 738 902 954 1089 1107 1166 1353 1431 1681 1749 2173 2178 2214 2706 2809 2862 3267 3362 3498 4059 4346 4961 5043 5247 5618 6413 6519 6534 8118 8427 9922 10086 10494 12177 12826 13038 14883 15129 15741 16854 18491 19239 19557 23903 24354 25281 29766 30258 30899 31482 36982 38478 39114 44649 45387 47806 50562 55473 57717 58671 61798 71709 75843 89093 89298 90774 92697 110946 115169 115434 117342 133947 143418 151686 166419 173151 178186 185394 203401 215127 230338 262933 267279 267894 278091 332838 339889 345507 346302 406802 430254 499257 525866 534558 556182 610203 645381 679778 691014 788799 801837 834273 980023 998514 1019667 1036521 1220406 1266859 1290762 1577598 1603674 1668546 1830609 1960046 2039334 2073042 2366397 2405511 2533718 2651237 2940069 3059001 3109563 3661218 3800577 4721929 4732794 4811022 5302474 5491827 5880138 6118002 6219126 7099191 7601154 7953711 8820207 9177003 9443858 10780253 10983654 11401731 13935449 14165787 14198382 15907422 17640414 18354006 21560506 22803462 23861133 26460621 27870898 28331574 29163607 32340759 34205193 41806347 42497361 47722266 51941219 52921242 58327214 64681518 68410386 71583399 83612694 84994722 87490821 97022277 103882438 108700717 125419041 127492083 140515561 143166798 155823657 174981642 194044554 217401434 250838082 254984166 262472463 281031122 291066831 311647314 320799677 326102151 376257123 421546683 467470971 524944926 571353409 582133662 641599354 652204302 752514246 787417389 843093366 934941942 962399031 978306453 1142706818 1195707887 1264640049 1402412913 1545671171 1574834778 1714060227 1924798062 1956612906 2391415774 2529280098 2804825826 2887197093 2934919359 3091342342 3428120454 3587123661 3793920147 4456729397 4637013513 5142180681 5761138001 5774394186 5869838718 7174247322 7447324733 7587840294 8661591279 8913458794 9274027026 10284361362 10761370983 11522276002 13152786757 13370188191 13911040539 14894649466 15426542043 17002382881 17283414003 17323182558 21522741966 22341974199 26305573514 26740376382 27822081078 30853084086 32284112949 34004765762 34566828006 39458360271 40110564573 41733121617 44683948398 49024023367 51007148643 51850242009 63372518011 64568225898 67025922597 78916720542 80221129146 81920572063 83466243234 98048046734 102014297286 103700484018 118375080813 120331693719 126745036022 134051845194 147072070101 153021445929 155550726027 163841144126 190117554033 201077767791 236206658041 236750161626 240663387438 245761716189 294144140202 305340314053 306042891858 311101452054 355125242439 380235108066 402155535582 441216210303 459064337787 472413316082 491523432378 539264257037 570352662099 610680628106 697097698121 708619974123 710250484878 737285148567 882432420606 901126292693 916020942159 918128675574 1078528514074 1140705324198 1323648630909 1394195396242 1417239948246 1474570297134 1617792771111 1711057986297 1802252585386 1832041884318 2091293094363 2125859922369 2211855445701 2598273238451 2647297261818 2703378878079 2748062826477 3235585542222 3358743454583 3422115972594 4182586188726 4251719844738 4423710891402 4853378313333 5196546476902 5406757756158 5496125652954 6273879283089 6377579767107 6717486909166 7794819715353 8110136634237 8244188479431 9706756626666 10076230363749 12518952876173 12547758566178 12755159534214 14560134939999 15589639430706 16220273268474 16488376958862 18821637849267 20152460727498 23384459146059 24330409902711 25037905752346 28581005622961 29120269879998 30228691091247 36946178000413 37556858628519 37643275698534 46768918292118 48660819805422 57162011245922 60457382182494 70153377438177 73892356000826 75113717257038 85743016868883 90686073273741 110838534001239 112670575885557 137708481637903 140306754876354 171486033737766 181372146547482 221677068002478 225341151771114 257229050606649 275416963275806 332515602003717 338011727656671 413125444913709 514458101213298 665031204007434 676023455313342 771687151819947 826250889827418 997546806011151 1239376334741127 1514793298016933 1543374303639894 1995093612022302 2478752669482254 3029586596033866 3718129004223381 4544379894050799 7436258008446762 9088759788101598 13633139682152397 27266279364304794 40899419046457191 81798838092914382
• Sum of all divisors σ(n): 208731612580157520
• Sum of proper divisors (its aliquot sum) s(n): 126932774487243138
• 81798838092914382 is an abundant number, because the sum of its proper divisors (126932774487243138) is greater than itself. Its abundance is 45133936394328756

Bases of 81798838092914382

• Binary: 100100010100110111001110000011111100100010101111011001110₂
• Hexadecimal: 0x1229B9C1F915ECE
• Base-36: MDF9NG93W7I

Squares and roots of 81798838092914382

• 81798838092914382 squared (81798838092914382²) is 6691049913350820970809314382441924
• 81798838092914382 cubed (81798838092914382³) is 547320108533792609388378915755824471372615019350968
• The square root of 81798838092914382 is 286004961.6578607225
• The cube root of 81798838092914382 is 434092.5958093421

Scales and comparisons

• 81,798,838,092,914,382 seconds is equal to 2,600,950,030 years, 48 weeks, 4 days, 13 hours, 59 minutes, 42 seconds.
• To count from 1 to 81,798,838,092,914,382 would take you about seven billion, eight hundred two million, eight hundred fifty thousand and ninety-two 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 81798838092914382 cubic inches would be around 36174.4 feet tall.

Recreational maths with 81798838092914382

• 81798838092914382 backwards is 28341929083889718
• The number of decimal digits it has is: 17
• The sum of 81798838092914382's digits is 90
• More coming soon!