81329305908240
81,329,305,908,240 is an even composite number composed of seven prime numbers multiplied together.
What does the number 81329305908240 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 960 divisors.
81329305908240 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine hundred sixty divisors.
Prime factorization of 81329305908240:
24 × 35 × 5 × 13 × 31 × 563 × 18439
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 31 × 563 × 18439)See below for interesting mathematical facts about the number 81329305908240 from the Numbermatics database.
Names of 81329305908240
- Cardinal: 81329305908240 can be written as Eighty-one trillion, three hundred twenty-nine billion, three hundred five million, nine hundred eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 8.132930590824 × 1013
Factors of 81329305908240
Divisors of 81329305908240
- Number of divisors d(n): 960
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 31 36 39 40 45 48 52 54 60 62 65 72 78 80 81 90 93 104 108 117 120 124 130 135 144 155 156 162 180 186 195 208 216 234 240 243 248 260 270 279 310 312 324 351 360 372 390 403 405 432 465 468 486 496 520 540 558 563 585 620 624 648 702 720 744 780 806 810 837 930 936 972 1040 1053 1080 1116 1126 1170 1209 1215 1240 1296 1395 1404 1488 1560 1612 1620 1674 1689 1755 1860 1872 1944 2015 2106 2160 2232 2252 2340 2418 2430 2480 2511 2790 2808 2815 3120 3159 3224 3240 3348 3378 3510 3627 3720 3888 4030 4185 4212 4464 4504 4680 4836 4860 5022 5067 5265 5580 5616 5630 6045 6318 6448 6480 6696 6756 7020 7254 7319 7440 7533 8060 8370 8424 8445 9008 9360 9672 9720 10044 10134 10530 10881 11160 11260 12090 12555 12636 13392 13512 14040 14508 14638 15066 15201 15795 16120 16740 16848 16890 17453 18135 18439 19344 19440 20088 20268 21060 21762 21957 22320 22520 24180 25110 25272 25335 27024 28080 29016 29276 30132 30402 31590 32240 32643 33480 33780 34906 36270 36595 36878 37665 40176 40536 42120 43524 43914 45040 45603 48360 50220 50544 50670 52359 54405 55317 58032 58552 60264 60804 63180 65286 65871 66960 67560 69812 72540 73190 73756 75330 76005 81072 84240 87048 87265 87828 91206 92195 96720 97929 100440 101340 104718 108810 109785 110634 117104 120528 121608 126360 130572 131742 135120 136809 139624 145080 146380 147512 150660 152010 157077 163215 165951 174096 174530 175656 182412 184390 195858 197613 200880 202680 209436 217620 219570 221268 226889 228015 239707 243216 252720 261144 261795 263484 273618 276585 279248 290160 292760 295024 301320 304020 314154 326430 329355 331902 349060 351312 364824 368780 391716 395226 405360 418872 435240 439140 442536 453778 456030 471231 479414 489645 497853 522288 523590 526968 547236 553170 571609 585520 592839 602640 608040 628308 652860 658710 663804 680667 684045 698120 719121 729648 737560 783432 785385 790452 829755 837744 870480 878280 885072 907556 912060 942462 958828 979290 988065 995706 1047180 1053936 1094472 1106340 1134445 1143218 1185678 1198535 1216080 1256616 1305720 1317420 1327608 1361334 1368090 1396240 1413693 1438242 1475120 1493559 1566864 1570770 1580904 1659510 1714827 1756560 1778517 1815112 1824120 1884924 1917656 1958580 1976130 1991412 2042001 2094360 2157363 2188944 2212680 2268890 2286436 2356155 2371356 2397070 2489265 2513232 2611440 2634840 2655216 2722668 2736180 2827386 2858045 2876484 2964195 2987118 3141540 3161808 3319020 3403335 3429654 3557034 3595605 3630224 3648240 3769848 3835312 3917160 3952260 3982824 4084002 4188720 4241079 4314726 4425360 4480677 4537780 4572872 4712310 4742712 4794140 4978530 5144481 5269680 5445336 5472360 5654772 5716090 5752968 5928390 5974236 6126003 6283080 6472089 6638040 6806670 6859308 7068465 7114068 7191210 7430917 7467795 7539696 7834320 7904520 7965648 8168004 8482158 8574135 8629452 8892585 8961354 9075560 9145744 9424620 9485424 9588280 9957060 10210005 10288962 10381157 10786815 10890672 10944720 11309544 11432180 11505936 11856780 11948472 12252006 12566160 12944178 13276080 13613340 13718616 14136930 14228136 14382420 14861834 14935590 15433443 15809040 16336008 16964316 17148270 17258904 17785170 17922708 18151120 18378009 18849240 19176560 19416267 19914120 20420010 20577924 20762314 21205395 21573630 22292751 22403385 22619088 22864360 23713560 23896944 24504012 25722405 25888356 27226680 27437232 28273860 28456272 28764840 29723668 29871180 30630015 30866886 31143471 32360445 32672016 33928632 34296540 34517808 35570340 35845416 36756018 37154585 37698480 38832534 39828240 40840020 41155848 41524628 42410790 43147260 44585502 44806770 45728720 46300329 47427120 49008024 51444810 51776712 51905785 54453360 55134027 56547720 57529680 58248801 59447336 59742360 61260030 61733772 62286942 64720890 66878253 67857264 68593080 71140680 71690832 73512036 74309170 77167215 77665068 81680040 82311696 83049256 84821580 86294520 89171004 89613540 91890045 92600658 93430413 97081335 98016048 102889620 103553424 103811570 110268054 111463755 113095440 116497602 118894672 119484720 122520060 123467544 124573884 129441780 133756506 134955041 137186160 138900987 142281360 147024072 148618340 154334430 155330136 155717355 163360080 166098512 169643160 172589040 178342008 179227080 183780090 185201316 186860826 194162670 200634759 205779240 207623140 220536108 222927510 231501645 232995204 245040120 246935088 249147768 258883560 267513012 269910082 275670135 277801974 280291239 291244005 294048144 297236680 308668860 310660272 311434710 321815867 334391265 339286320 356684016 358454160 367560180 370402632 373721652 388325340 401269518 404865123 411558480 415246280 441072216 445855020 463003290 465990408 467152065 490080240 498295536 517767120 535026024 539820164 551340270 555603948 560582478 582488010 594473360 601904277 617337720 622869420 643631734 668782530 674775205 694504935 735120360 740805264 747443304 776650680 802539036 809730246 830492560 840873717 882144432 891710040 926006580 931980816 934304130 965447601 1003173795 1070052048 1079640328 1102680540 1111207896 1121164956 1164976020 1203808554 1214595369 1234675440 1245738840 1287263468 1337565060 1349550410 1389009870 1401456195 1470240720 1494886608 1553301360 1605078072 1609079335 1619460492 1681747434 1783420080 1805712831 1852013160 1868608260 1930895202 2006347590 2024325615 2159280656 2205361080 2222415792 2242329912 2329952040 2407617108 2429190738 2491477680 2522621151 2574526936 2675130120 2699100820 2778019740 2802912390 2896342803 3009521385 3210156144 3218158670 3238920984 3363494868 3611425662 3643786107 3704026320 3737216520 3861790404 4012695180 4048651230 4183606271 4204368585 4410722160 4484659824 4659904080 4815234216 4827238005 4858381476 5045242302 5149053872 5350260240 5398201640 5556039480 5605824780 5792685606 6019042770 6072976845 6436317340 6477841968 6726989736 7222851324 7287572214 7474433040 7723580808 8025390360 8097302460 8367212542 8408737170 8689028409 9028564155 9630468432 9654476010 9716762952 10090484604 10796403280 10931358321 11112078960 11211649560 11585371212 12038085540 12145953690 12550818813 12613105755 12872634680 13453979472 14445702648 14481714015 14575144428 15447161616 16050780720 16194604920 16734425084 16817474340 17378056818 18057128310 18218930535 19308952020 19433525904 20180969208 20918031355 21862716642 22423299120 23170742424 24076171080 24291907380 25101637626 25226211510 25745269360 26067085227 28891405296 28963428030 29150288856 32389209840 32794074963 33468850168 33634948680 34756113636 36114256620 36437861070 37652456439 38617904040 40361938416 41836062710 43445142045 43725433284 46341484848 48152342160 48583814760 50203275252 50452423020 52134170454 54656791605 57926856060 58300577712 62754094065 65588149926 66937700336 67269897360 69512227272 72228513240 72875722140 75304912878 77235808080 78201255681 83672125420 86890284090 87450866568 97167629520 100406550504 100904846040 104268340908 109313583210 112957369317 115853712120 125508188130 130335426135 131176299852 139024454544 144457026480 145751444280 150609825756 156402511362 163970374815 167344250840 173780568180 174901733136 188262282195 200813101008 201809692080 208536681816 218627166420 225914738634 231707424240 251016376260 260670852270 262352599704 291502888560 301219651512 312805022724 327940749630 334688501680 338872107951 347561136360 376524564390 391006278405 417073363632 437254332840 451829477268 502032752520 521341704540 524705199408 564786846585 602439303024 625610045448 655881499260 677744215902 695122272720 753049128780 782012556810 874508665680 903658954536 1004065505040 1016616323853 1042683409080 1129573693170 1251220090896 1311762998520 1355488431804 1506098257560 1564025113620 1694360539755 1807317909072 2033232647706 2085366818160 2259147386340 2623525997040 2710976863608 3012196515120 3128050227240 3388721079510 4066465295412 4518294772680 5083081619265 5421953727216 6256100454480 6777442159020 8132930590824 9036589545360 10166163238530 13554884318040 16265861181648 20332326477060 27109768636080 40664652954120 81329305908240
- Sum of all divisors σ(n): 315451329822720
- Sum of proper divisors (its aliquot sum) s(n): 234122023914480
- 81329305908240 is an abundant number, because the sum of its proper divisors (234122023914480) is greater than itself. Its abundance is 152792718006240
Bases of 81329305908240
- Binary: 100100111110111111101000110001101110100000100002
- Hexadecimal: 0x49F7F4637410
- Base-36: STU60VL00
Squares and roots of 81329305908240
- 81329305908240 squared (813293059082402) is 6614455999516081771299897600
- 81329305908240 cubed (813293059082403) is 537949115401236783783475726344586996224000
-
The
square root of 81329305908240 is 9018276.2160093545 -
The
cube root of 81329305908240 is 43326.0425572481
Scales and comparisons
How big is 81329305908240?- 81,329,305,908,240 seconds is equal to 2,586,020 years, 18 weeks, 4 days, 23 hours, 24 minutes.
-
To count from 1 to 81,329,305,908,240 would take you about six million, four hundred sixty-five thousand and fifty 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 81329305908240 cubic inches would be around 3610.5 feet tall.
Recreational maths with 81329305908240
- 81329305908240 backwards is 04280950392318
- 81329305908240 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81329305908240's digits is 54
- More coming soon!
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The information we have on file for 81329305908240 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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