81384789398346

Names of 81384789398346

• Cardinal: 81384789398346 can be written as Eighty-one trillion, three hundred eighty-four billion, seven hundred eighty-nine million, three hundred ninety-eight thousand, three hundred forty-six.

Scientific notation

• Scientific notation: 8.1384789398346 × 10¹³

Factors of 81384789398346

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1731

Divisors of 81384789398346

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 37 38 42 49 54 57 63 74 79 98 111 114 126 133 147 158 171 189 222 237 259 266 294 333 342 378 399 441 474 513 518 521 553 666 703 711 777 798 882 931 999 1026 1042 1063 1106 1197 1323 1406 1422 1501 1554 1563 1659 1813 1862 1998 2109 2126 2133 2331 2394 2646 2793 2923 3002 3126 3189 3318 3591 3626 3647 3871 4218 4266 4503 4662 4689 4921 4977 5439 5586 5846 6327 6378 6993 7182 7294 7441 7742 8379 8769 9006 9378 9567 9842 9899 9954 10507 10878 10941 11613 12654 13509 13986 14067 14763 14882 14931 16317 16758 17538 18981 19134 19277 19798 20197 20461 21014 21882 22323 23226 25137 25529 26307 27018 28134 28701 29526 29697 29862 31521 32634 32823 34447 34839 37962 38554 39331 40394 40527 40922 41159 44289 44646 48951 50274 51058 52087 52614 55537 57402 57831 59394 60591 61383 63042 65646 66969 68894 69293 69678 73549 76587 78662 78921 81054 82318 83977 88578 89091 94563 97902 98469 103341 104174 104517 111074 115662 117993 121182 122766 123477 132867 133938 134939 138586 141379 143227 147098 153174 156261 157842 166611 167954 173493 178182 181773 184149 189126 196938 200907 206682 207879 209034 220647 229761 235986 246954 251931 265734 267273 269878 275317 282758 283689 286454 288113 310023 312522 333222 346986 353979 363546 366263 368298 370431 388759 401814 404817 415758 424137 429681 441294 459522 468783 485051 499833 503862 520479 534546 545319 550634 552447 553823 567378 576226 587839 620046 623637 661941 689283 707958 732526 740862 747289 755793 777518 782021 809634 825951 848274 859362 864339 930069 937566 944573 970102 989653 999666 1040958 1061937 1090638 1098789 1104894 1107646 1111293 1166277 1175678 1214451 1247274 1272411 1289043 1323882 1378566 1406349 1455153 1494578 1499499 1511586 1522883 1564042 1595563 1651902 1661469 1728678 1763517 1860138 1870911 1889146 1927219 1979306 1985823 2016791 2123874 2197578 2222586 2241867 2267379 2332554 2346063 2428902 2477853 2544822 2563841 2578086 2593017 2721313 2812698 2833719 2910306 2968959 2998998 3045766 3107149 3191126 3296367 3322938 3498831 3527034 3643353 3741822 3817233 3854438 3867129 3876761 3971646 4033582 4114873 4365459 4483734 4534758 4568649 4692126 4786689 4955706 4984407 5127682 5186034 5231023 5290551 5442626 5474147 5667438 5781657 5937918 6050373 6214298 6592734 6725601 6997662 7038189 7286706 7433559 7634466 7691523 7734258 7753522 7779051 8163939 8229746 8501157 8730918 8906877 9137298 9321447 9573378 9889101 9968814 10462046 10496493 10522637 10581102 10660181 10948294 11168941 11563314 11630283 12100746 12344619 13096377 13451202 13705947 14076378 14360067 14867118 14953221 15383046 15558102 15693069 15871653 16327878 16422441 17002314 17344971 17813754 17946887 18151119 18642894 19778202 20176803 20491451 20992986 21045274 21114567 21320362 21750043 22337882 23074569 23260566 24491817 24689238 25503471 26192754 26720631 27137327 27411894 27964341 28720134 28934777 29906442 31386138 31567911 31743306 31980543 32844882 33506823 34689942 34890849 35893774 36302238 36617161 37033857 38319029 40353606 40982902 41117841 42229134 43080201 43500086 43752017 46149138 47079207 48983634 49267323 51006942 52034913 53441262 53840661 54274654 54453357 55928682 57869554 59035831 61474353 63135822 63961086 65250129 67013646 69223707 69781698 73234322 73475451 73658459 74067714 74621267 76638058 78182587 81411981 82235682 83893023 86160402 86804331 87504034 94158414 94703733 95941629 98534646 100520469 104069826 104672547 107681322 108906714 109851483 111101571 114957087 118071662 122948706 130500258 131256051 138447414 141237621 143440157 146950902 147316918 147801969 149242534 152250301 156365174 161521983 162823962 167786046 173608662 177107493 184423059 189407466 191883258 195750387 201040938 202543439 209345094 219702966 220975377 222203142 223863801 229914174 234547761 244235943 260412993 262512102 282475242 284111199 286880314 287824887 295603938 301561407 304500602 306264119 323043966 329554449 344871261 354214986 368846118 389337569 391500774 393768153 405086878 413250817 430320471 441950754 447727602 456750903 469095522 484565949 488471886 515609213 520825986 531322479 553269177 568222398 575649774 587251161 603122814 607630317 612528238 659108898 662926131 671591403 689742522 703643283 732707829 778675138 781238979 787536306 826501634 831288323 860640942 913501806 918792357 969131898 988663347 1004081099 1031218426 1034613783 1062644958 1106538354 1168012707 1174502322 1181304459 1215260634 1239752451 1290961413 1325852262 1343182806 1370252709 1407286566 1417804073 1465415658 1546827639 1562477958 1593967437 1618824629 1662576646 1822890951 1837584714 1977326694 1988778393 2008162198 2014774209 2069227566 2110929849 2143848833 2336025414 2362608918 2479504902 2493864969 2581922826 2725362983 2740505418 2756377071 2835608146 2892755719 3012243297 3093655278 3187934874 3237649258 3504038121 3645781902 3719257353 3872884239 3977556786 4029548418 4110758127 4221859698 4253412219 4287697666 4640482917 4856473887 4987729938 5450725966 5468672853 5512754142 5785511438 5819018261 6024486594 6431546499 7008076242 7438514706 7481594907 7745768478 8176088949 8221516254 8269131213 8506824438 8678267157 9036729891 9280965834 9712947774 10512114363 10937345706 11157772059 11331772403 11638036522 12760236657 12863092998 13921448751 14569421661 14963189814 16352177898 16538262426 17356534314 17457054783 18073459782 19077540881 19294639497 21024228726 22315544118 22444784721 22663544806 24528266847 25520473314 26034801471 27110189673 27842897502 29138843322 30757667951 33995317209 34914109566 38155081762 38280709971 38589278994 40733127827 43708264983 44889569442 49056533694 52069602942 52371164349 54220379346 57232622643 57883918491 61515335902 67990634418 73584800541 76561419942 78104404413 79322406821 81466255654 87416529966 92273003853 101985951627 104742328698 114465245286 115767836982 122199383481 147169601082 156208808826 157113493047 158644813642 171697867929 184546007706 203971903254 215303675657 237967220463 244398766962 276819011559 305957854881 314226986094 343395735858 366598150443 430607351314 475934440926 515093603787 553638023118 611915709762 645911026971 713901661389 733196300886 830457034677 1030187207574 1099794451329 1291822053942 1427803322778 1507125729599 1660914069354 1937733080913 2141704984167 2199588902658 3014251459198 3875466161826 4283409968334 4521377188797 5813199242739 9042754377594 11626398485478 13564131566391 27128263132782 40692394699173 81384789398346
• Sum of all divisors σ(n): 230978635776000
• Sum of proper divisors (its aliquot sum) s(n): 149593846377654
• 81384789398346 is an abundant number, because the sum of its proper divisors (149593846377654) is greater than itself. Its abundance is 68209056979308

Bases of 81384789398346

• Binary: 10010100000010011011111011101100101001101001010₂
• Hexadecimal: 0x4A04DF76534A
• Base-36: SUJNMBBYI

Squares and roots of 81384789398346

• 81384789398346 squared (81384789398346²) is 6623483945413131476667535716
• 81384789398346 cubed (81384789398346³) is 539050845980773558777385088601230106325736
• The square root of 81384789398346 is 9021351.8609100931
• The cube root of 81384789398346 is 43335.8927729245

Scales and comparisons

• 81,384,789,398,346 seconds is equal to 2,587,784 years, 29 weeks, 1 day, 23 hours, 59 minutes, 6 seconds.
• To count from 1 to 81,384,789,398,346 would take you about six million, four hundred sixty-nine thousand, four hundred sixty-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 81384789398346 cubic inches would be around 3611.3 feet tall.

Recreational maths with 81384789398346

• 81384789398346 backwards is 64389398748318
• The number of decimal digits it has is: 14
• The sum of 81384789398346's digits is 81
• More coming soon!