81364839932670

Names of 81364839932670

• Cardinal: 81364839932670 can be written as Eighty-one trillion, three hundred sixty-four billion, eight hundred thirty-nine million, nine hundred thirty-two thousand, six hundred seventy.

Scientific notation

• Scientific notation: 8.136483993267 × 10¹³

Factors of 81364839932670

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1062

Divisors of 81364839932670

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 37 42 67 70 74 105 111 134 185 201 210 222 259 335 370 402 469 518 555 670 777 938 941 1005 1110 1295 1369 1407 1554 1882 2010 2345 2479 2590 2738 2814 2823 3885 4107 4489 4690 4705 4958 5646 6587 6845 7035 7437 7770 8214 8978 9410 9583 12395 13174 13467 13690 14070 14115 14874 17353 19166 19761 20535 22445 24790 26934 28230 28749 31423 32935 34706 34817 37185 39522 41070 44890 47915 52059 57498 62846 63047 65870 67335 69634 74370 86765 91723 94269 95830 98805 104118 104451 126094 134670 143745 157115 166093 173530 174085 183446 188538 189141 197610 208902 243719 260295 275169 287490 300763 314230 315235 332186 348170 378282 441329 458615 471345 487438 498279 520590 522255 550338 601526 630470 642061 731157 830465 882658 902289 917230 942690 945705 996558 1044510 1162651 1218595 1284122 1288229 1323987 1375845 1462314 1503815 1660930 1804578 1891410 1926183 2105341 2206645 2325302 2332739 2437190 2491395 2576458 2647974 2751690 3007630 3210305 3487953 3655785 3852366 3864687 4210682 4224149 4413290 4511445 4665478 4982790 5813255 6145441 6316023 6420610 6441145 6619935 6975906 6998217 7311570 7729374 8448298 9017603 9022890 9630915 10526705 11128231 11626510 11663695 12290882 12632046 12672447 12882290 13239870 13996434 16329173 17439765 18035206 18436323 19261830 19323435 21053410 21120745 22256462 23327390 25344894 27052809 29569043 30727205 31580115 32658346 33384693 34879530 34991085 36872646 38646870 42241490 43018087 45088015 48987519 54105618 55641155 59138086 61454410 63160230 63362235 66769386 69982170 77897617 81645865 86036174 86311343 88707129 90176030 92181615 97975038 111282310 126724470 129054261 135264045 147845215 155795234 156293513 163291730 166923465 172622686 177414258 184363230 215090435 233692851 244937595 258108522 258934029 270528090 283017983 295690430 312587026 333846930 389488085 411744547 430180870 431556715 443535645 467385702 468880539 489875190 517868058 566035966 604179401 645271305 778976170 781467565 823489094 849053949 863113430 887071290 937761078 1094054591 1168464255 1208358802 1235233641 1290542610 1294670145 1415089915 1562935130 1698107898 1812538203 1981125881 2058722735 2188109182 2336928510 2344402695 2470467282 2589340290 2830179830 2882211829 3020897005 3282163773 3625076406 3962251762 4117445470 4245269745 4688805390 5470272955 5764423658 5782859981 5943377643 6041794010 6176168205 6564327546 8490539490 8646635487 9062691015 9905629405 10471665371 10940545910 11565719962 11886755286 12352336410 14411059145 16410818865 17293270974 17348579943 18125382030 19811258810 20943330742 28822118290 28914299905 29716888215 31414996113 32821637730 34697159886 40480019867 43233177435 52358326855 57828599810 59433776430 62829992226 73301657597 80960039734 86466354870 86742899715 104716653710 121440059601 146603315194 157074980565 173485799430 202400099335 219904972791 242880119202 314149961130 366508287985 387451618727 404800198670 439809945582 607200298005 733016575970 774903237454 1099524863955 1162354856181 1214400596010 1937258093635 2199049727910 2324709712362 2712161331089 3874516187270 5424322662178 5811774280905 8136483993267 11623548561810 13560806655445 16272967986534 27121613310890 40682419966335 81364839932670
• Sum of all divisors σ(n): 233089514542080
• Sum of proper divisors (its aliquot sum) s(n): 151724674609410
• 81364839932670 is an abundant number, because the sum of its proper divisors (151724674609410) is greater than itself. Its abundance is 70359834676740

Bases of 81364839932670

• Binary: 10010100000000000111010011000011010001011111110₂
• Hexadecimal: 0x4A003A61A2FE
• Base-36: SUAHOX1Q6

Squares and roots of 81364839932670

• 81364839932670 squared (81364839932670²) is 6620237177269010650133328900
• 81364839932670 cubed (81364839932670³) is 538654538244804119360871797542398965163000
• The square root of 81364839932670 is 9020246.1126440447
• The cube root of 81364839932670 is 43332.3515765879

Scales and comparisons

• 81,364,839,932,670 seconds is equal to 2,587,150 years, 12 weeks, 9 hours, 44 minutes, 30 seconds.
• To count from 1 to 81,364,839,932,670 would take you about six million, four hundred sixty-seven thousand, eight hundred seventy-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 81364839932670 cubic inches would be around 3611 feet tall.

Recreational maths with 81364839932670

• 81364839932670 backwards is 07623993846318
• The number of decimal digits it has is: 14
• The sum of 81364839932670's digits is 69
• More coming soon!