81355367784240
81,355,367,784,240 is an even composite number composed of eight prime numbers multiplied together.
What does the number 81355367784240 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 1440 divisors.
81355367784240 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of one thousand, four hundred forty divisors.
Prime factorization of 81355367784240:
24 × 32 × 5 × 112 × 61 × 127 × 149 × 809
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 61 × 127 × 149 × 809)See below for interesting mathematical facts about the number 81355367784240 from the Numbermatics database.
Names of 81355367784240
- Cardinal: 81355367784240 can be written as Eighty-one trillion, three hundred fifty-five billion, three hundred sixty-seven million, seven hundred eighty-four thousand, two hundred forty.
Scientific notation
- Scientific notation: 8.135536778424 × 1013
Factors of 81355367784240
Divisors of 81355367784240
- Number of divisors d(n): 1440
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 61 66 72 80 88 90 99 110 120 121 122 127 132 144 149 165 176 180 183 198 220 240 242 244 254 264 298 305 330 360 363 366 381 396 440 447 484 488 495 508 528 549 596 605 610 635 660 671 720 726 732 745 762 792 809 880 894 915 968 976 990 1016 1089 1098 1143 1192 1210 1220 1270 1320 1341 1342 1397 1452 1464 1490 1524 1584 1618 1639 1788 1815 1830 1905 1936 1980 2013 2032 2178 2196 2235 2286 2384 2420 2427 2440 2540 2640 2682 2684 2745 2794 2904 2928 2980 3048 3236 3278 3355 3576 3630 3660 3810 3960 4026 4045 4191 4356 4392 4470 4572 4840 4854 4880 4917 5080 5364 5368 5445 5490 5588 5715 5808 5960 6039 6096 6472 6556 6705 6710 6985 7152 7260 7281 7320 7381 7620 7747 7920 8052 8090 8195 8382 8712 8784 8899 8940 9089 9144 9680 9708 9834 10065 10160 10728 10736 10890 10980 11176 11430 11920 12078 12135 12573 12944 13112 13410 13420 13970 14520 14562 14640 14751 14762 15240 15367 15494 16104 16180 16390 16764 17424 17798 17880 18029 18178 18288 18923 19416 19668 20130 20955 21456 21780 21960 22143 22352 22860 23241 24156 24270 24585 25146 26224 26697 26820 26840 27267 27940 29040 29124 29502 29524 30195 30480 30734 30988 32208 32360 32780 33528 35596 35760 36058 36356 36405 36905 37846 38735 38832 39336 40260 41910 43560 43920 44286 44495 45445 45720 46101 46482 48312 48540 49170 49349 50292 53394 53640 53680 54087 54534 55880 56769 58248 59004 59048 60390 61468 61976 62865 64720 65560 66429 67056 69723 71192 72116 72712 72810 73755 73810 75692 76835 77470 78672 80091 80520 81801 83820 85217 87120 88572 88990 90145 90890 91440 92202 92964 94615 96624 97080 97889 98340 98698 99979 100584 102743 106788 107280 108174 109068 110715 111760 113538 116205 116496 118008 118096 120541 120780 122936 123952 125730 131120 132858 133485 136335 138303 139446 142384 144232 145424 145620 147510 147620 148047 151384 153670 154940 160182 161040 162261 163602 167640 170307 170434 177144 177980 180290 181780 184404 185928 189230 194160 195778 196680 197396 199958 201168 205486 208153 213576 216348 218136 221430 227076 230505 232410 236016 241082 241560 245872 246745 251460 255651 265716 266970 270435 272670 276606 278892 283845 288464 291240 293667 295020 295240 296094 299937 302768 307340 308229 309880 320364 324522 327204 332145 335280 340614 340868 348615 354288 355960 360580 361623 363560 368808 371856 378460 391556 393360 394792 399916 400455 409005 410972 416306 426085 427152 432696 436272 442860 444141 454152 461010 464820 482164 483120 489445 493490 499895 502920 511302 513715 531432 533940 540870 542839 545340 553212 557784 567690 582480 587334 590040 590480 592188 599874 602705 614680 616458 619760 624459 640728 649044 654408 664290 681228 681736 691515 697230 711920 721160 723246 727120 737616 740235 756920 766953 783112 789584 799832 800910 811305 818010 821944 832612 851535 852170 865392 881001 885720 888282 899811 908304 922020 924687 929640 937387 964328 978890 986980 999790 1005840 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2204453808 2234730608 2237742540 2256236280 2275038249 2285519940 2426490330 2481859908 2514071934 2525936655 2625382980 2647080360 2669139363 2694332432 2755567260 2757622120 2793413260 2801493381 2911788396 2983656720 3031123986 3033384332 3047359920 3102324885 3235320440 3309146544 3352095912 3367915540 3500510640 3558852484 3639735495 3674089680 3704707094 3735324508 3791730415 3882384528 4041498648 4136433180 4190119890 4299284880 4448565605 4475485080 4512472560 4550076498 4571039880 4669155635 4852980660 4963719816 5028143868 5051873310 5250765960 5294160720 5338278726 5511134520 5515244240 5557060641 5586826520 5602986762 5823576792 6062247972 6066768664 6204649770 6285179835 6470640880 6704191824 6735831080 6825114747 7117704968 7279470990 7409414188 7470649016 7577809965 7583460830 8007418089 8082997296 8272866360 8380239780 8404480143 8897131210 8950970160 9100152996 9142079760 9261767735 9338311270 9705961320 9927439632 10056287736 10103746620 10272142397 10501531920 10676557452 11022269040 11114121282 11173653040 11205973524 11375191245 11647153584 12124495944 12133537328 12409299540 12570359670 13345696815 13471662160 13650229494 14007466905 14235409936 14558941980 14818828376 14941298032 15155619930 15166921660 16014836178 16545732720 16671181923 16760479560 16808960286 17794262420 18200305992 18523535470 18676622540 19411922640 20112575472 20207493240 20544284794 21353114904 22228242564 22411947048 22750382490 24248991888 24818599080 25140719340 26691393630 27300458988 27785303205 28014933810 29117883960 29637656752 30311239860 30333843320 30816427191 32029672356 33342363846 33520959120 33617920572 34125573735 35588524840 36400611984 37047070940 37353245080 40037090445 40414986480 41088569588 42022400715 42706229808 44456485128 44823894096 45500764980 49637198160 50281438680 51360711985 53382787260 54600917976 55570606410 56029867620 58235767920 60622479720 60667686640 61632854382 64059344712 66684727692 67235841144 68251147470 71177049680 74094141880 74706490160 80074180890 82177139176 83355909615 84044801430 88912970256 91001529960 92449281573 100562877360 102721423970 106765574520 109201835952 111141212820 112059735240 112993566367 121244959440 123265708764 128118689424 133369455384 134471682288 136502294940 148188283760 154082135955 160148361780 164354278352 166711819230 168089602860 182003059920 184898563146 205442847940 213531149040 222282425640 224119470480 225987132734 246531417528 266738910768 273004589880 308164271910 320296723560 333423638460 336179205720 338980699101 369797126292 410885695880 444564851280 451974265468 462246407865 493062835056 546009179760 564967831835 616328543820 640593447120 666847276920 672358411440 677961398202 739594252584 821771391760 903948530936 924492815730 1016942097303 1129935663670 1232657087640 1333694553840 1355922796404 1479188505168 1694903495505 1807897061872 1848985631460 2033884194606 2259871327340 2465314175280 2711845592808 3389806991010 3697971262920 4067768389212 4519742654680 5084710486515 5423691185616 6779613982020 7395942525840 8135536778424 9039485309360 10169420973030 13559227964040 16271073556848 20338841946060 27118455928080 40677683892120 81355367784240
- Sum of all divisors σ(n): 310088653056000
- Sum of proper divisors (its aliquot sum) s(n): 228733285271760
- 81355367784240 is an abundant number, because the sum of its proper divisors (228733285271760) is greater than itself. Its abundance is 147377917487520
Bases of 81355367784240
- Binary: 100100111111110000001011100110000011111001100002
- Hexadecimal: 0x49FE05CC1F30
- Base-36: SU651G180
Squares and roots of 81355367784240
- 81355367784240 squared (813553677842402) is 6618695867308955647192377600
- 81355367784240 cubed (813553677842403) is 538466436536949436042433776004729409024000
-
The
square root of 81355367784240 is 9019721.0480280375 -
The
cube root of 81355367784240 is 43330.6699886729
Scales and comparisons
How big is 81355367784240?- 81,355,367,784,240 seconds is equal to 2,586,849 years, 2 weeks, 3 days, 1 hour, 24 minutes.
-
To count from 1 to 81,355,367,784,240 would take you about six million, four hundred sixty-seven thousand, one hundred twenty-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 81355367784240 cubic inches would be around 3610.9 feet tall.
Recreational maths with 81355367784240
- 81355367784240 backwards is 04248776355318
- The number of decimal digits it has is: 14
- The sum of 81355367784240's digits is 63
- More coming soon!
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"Number 81355367784240 - Facts about the integer". Numbermatics.com. 2024. Web. 21 June 2024.
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The information we have on file for 81355367784240 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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