81327072376320

Names of 81327072376320

• Cardinal: 81327072376320 can be written as Eighty-one trillion, three hundred twenty-seven billion, seventy-two million, three hundred seventy-six thousand, three hundred twenty.

Scientific notation

• Scientific notation: 8.132707237632 × 10¹³

Factors of 81327072376320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 333

Divisors of 81327072376320

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 97 116 120 128 145 160 174 192 194 197 232 240 256 290 291 320 348 384 388 394 435 464 480 485 512 580 582 591 640 696 768 776 788 870 928 960 970 985 1160 1164 1182 1280 1392 1455 1536 1552 1576 1740 1856 1920 1940 1970 2320 2328 2364 2560 2784 2813 2910 2955 3104 3152 3480 3712 3840 3880 3940 4640 4656 4728 5568 5626 5713 5820 5910 6208 6304 6960 7424 7680 7760 7880 8439 9280 9312 9409 9456 11136 11252 11426 11640 11820 12416 12608 13920 14065 14848 15520 15760 16878 17139 18560 18624 18818 18912 19109 22272 22504 22852 23280 23640 24832 25216 27840 28130 28227 28565 31040 31520 33756 34278 37120 37248 37636 37824 38218 38809 42195 44544 45008 45704 46560 47045 47280 49664 50432 55680 56260 56454 57130 57327 62080 63040 67512 68556 74240 74496 75272 75648 76436 77618 84390 85695 90016 91408 93120 94090 94560 95545 100864 111360 112520 112908 114260 114654 116427 124160 126080 135024 137112 141135 148992 150544 151296 152872 155236 168780 171390 180032 182816 186240 188180 189120 191090 194045 222720 225040 225816 228520 229308 232854 248320 252160 270048 272861 274224 282270 286635 301088 302592 305744 310472 337560 342780 360064 365632 372480 376360 378240 382180 388090 450080 451632 457040 458616 465708 504320 540096 545722 548448 554161 564540 573270 582135 602176 611488 620944 675120 685560 720128 731264 744960 752720 756480 764360 776180 818583 900160 903264 914080 917232 931416 1080192 1091444 1096896 1108322 1125461 1129080 1146540 1164270 1204352 1222976 1241888 1350240 1364305 1371120 1440256 1462528 1505440 1512960 1528720 1552360 1637166 1662483 1800320 1806528 1828160 1834464 1853573 1862832 2160384 2182888 2193792 2216644 2250922 2258160 2293080 2328540 2408704 2445952 2483776 2700480 2728610 2742240 2770805 2925056 3010880 3057440 3104720 3274332 3324966 3376383 3600640 3613056 3656320 3668928 3707146 3725664 3764473 4092915 4320768 4365776 4387584 4433288 4501844 4516320 4586160 4657080 4817408 4891904 4967552 5400960 5457220 5484480 5541610 5560719 5627305 6021760 6114880 6209440 6548664 6649932 6752766 7201280 7226112 7312640 7337856 7414292 7451328 7528946 8185830 8312415 8731552 8775168 8866576 9003688 9032640 9172320 9267865 9314160 9783808 9935104 10801920 10914440 10968960 11083220 11121438 11254610 11293419 12043520 12229760 12418880 13097328 13299864 13505532 14452224 14625280 14675712 14828584 14902656 15057892 16371660 16624830 16881915 17463104 17733152 18007376 18065280 18344640 18535730 18628320 18822365 19870208 21603840 21828880 21937920 22166440 22242876 22509220 22586838 24087040 24459520 24837760 26194656 26599728 27011064 27803595 29351424 29657168 29805312 30115784 32743320 33249660 33763830 34926208 35466304 36014752 36130560 36689280 37071460 37256640 37644730 43657760 43875840 44332880 44485752 45018440 45173676 48919040 49675520 52389312 53199456 53753617 54022128 55607190 56467095 59314336 59610624 60231568 65486640 66499320 67527660 69852416 70932608 72029504 72261120 73378560 74142920 74513280 75289460 87315520 88665760 88971504 90036880 90347352 99351040 104778624 106398912 107507234 108044256 109169717 111214380 112934190 118628672 120463136 130973280 132998640 135055320 139704832 141865216 144059008 146757120 148285840 149026560 150578920 161260851 174631040 177331520 177943008 180073760 180694704 209557248 212797824 215014468 216088512 218339434 222428760 225868380 237257344 240926272 261946560 265997280 268768085 270110640 283730432 288118016 296571680 298053120 301157840 322521702 327509151 349262080 354663040 355886016 360147520 361389408 365153881 419114496 425595648 430028936 432177024 436678868 444857520 451736760 474514688 481852544 523893120 531994560 537536170 540221280 545848585 576236032 593143360 602315680 645043404 655018302 698524160 709326080 711772032 720295040 722778816 730307762 806304255 851191296 860057872 864354048 873357736 889715040 903473520 949029376 963705088 1047786240 1063989120 1075072340 1080442560 1091697170 1095461643 1186286720 1204631360 1290086808 1310036604 1418652160 1423544064 1440590080 1445557632 1460615524 1612608510 1637545755 1720115744 1728708096 1746715472 1779430080 1806947040 1825769405 1927410176 2095572480 2127978240 2150144680 2160885120 2183394340 2190923286 2372573440 2409262720 2580173616 2620073208 2847088128 2881180160 2891115264 2921231048 3225217020 3275091510 3440231488 3493430944 3558860160 3613894080 3651538810 4255956480 4300289360 4321770240 4366788680 4381846572 4745146880 4818525440 5160347232 5240146416 5477308215 5782230528 5842462096 6450434040 6550183020 6880462976 6986861888 7117720320 7227788160 7303077620 8600578720 8643540480 8733577360 8763693144 9637050880 10320694464 10480292832 10589462549 10954616430 11684924192 12900868080 13100366040 13760925952 13973723776 14235440640 14455576320 14606155240 17201157440 17467154720 17527386288 20641388928 20960585664 21178925098 21909232860 23369848384 25801736160 26200732080 27521851904 27947447552 28911152640 29212310480 31768387647 34402314880 34934309440 35054772576 41282777856 41921171328 42357850196 43818465720 46739696768 51603472320 52401464160 52947312745 55894895104 58424620960 63536775294 68804629760 69868618880 70109545152 82565555712 83842342656 84715700392 87636931440 93479393536 103206944640 104802928320 105894625490 116849241920 127073550588 137609259520 139737237760 140219090304 158841938235 167684685312 169431400784 175273862880 186958787072 206413889280 209605856640 211789250980 233698483840 254147101176 279474475520 280438180608 317683876470 338862801568 350547725760 412827778560 419211713280 423578501960 467396967680 508294202352 560876361216 635367752940 677725603136 701095451520 838423426560 847157003920 934793935360 1016588404704 1270735505880 1355451206272 1402190903040 1694314007840 2033176809408 2541471011760 2710902412544 2804381806080 3388628015680 4066353618816 5082942023520 5421804825088 6777256031360 8132707237632 10165884047040 13554512062720 16265414475264 20331768094080 27109024125440 40663536188160 81327072376320
• Sum of all divisors σ(n): 273145578211440
• Sum of proper divisors (its aliquot sum) s(n): 191818505835120
• 81327072376320 is an abundant number, because the sum of its proper divisors (191818505835120) is greater than itself. Its abundance is 110491433458800

Bases of 81327072376320

• Binary: 10010011111011101101111010000100111011000000000₂
• Hexadecimal: 0x49F76F427600
• Base-36: STT5338QO

Squares and roots of 81327072376320

• 81327072376320 squared (81327072376320²) is 6614092701303191611696742400
• 81327072376320 cubed (81327072376320³) is 537904795822574523388674078643970899968000
• The square root of 81327072376320 is 9018152.3815202857
• The cube root of 81327072376320 is 43325.6459352113

Scales and comparisons

• 81,327,072,376,320 seconds is equal to 2,585,949 years, 17 weeks, 4 days, 21 hours, 52 minutes.
• To count from 1 to 81,327,072,376,320 would take you about six million, four hundred sixty-four thousand, eight hundred seventy-three 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 81327072376320 cubic inches would be around 3610.5 feet tall.

Recreational maths with 81327072376320

• 81327072376320 backwards is 02367327072318
• The number of decimal digits it has is: 14
• The sum of 81327072376320's digits is 51
• More coming soon!