81424142800

Names of 81424142800

• Cardinal: 81424142800 can be written as Eighty-one billion, four hundred twenty-four million, one hundred forty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 8.14241428 × 10¹⁰

Factors of 81424142800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 196

Divisors of 81424142800

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 19 20 22 25 26 28 35 38 40 44 49 50 52 55 56 65 70 76 77 80 88 91 95 98 100 104 110 112 121 130 133 139 140 143 152 154 175 176 182 190 196 200 208 209 220 242 245 247 260 266 275 278 280 286 304 308 325 350 364 380 385 392 400 418 440 455 475 484 490 494 520 532 539 550 556 560 572 605 616 637 650 665 695 700 715 728 760 770 784 836 847 880 910 931 950 968 973 980 988 1001 1040 1045 1064 1078 1100 1112 1144 1210 1225 1232 1235 1274 1300 1330 1390 1400 1430 1456 1463 1520 1529 1540 1573 1672 1694 1729 1807 1820 1862 1900 1925 1936 1946 1960 1976 2002 2090 2128 2156 2200 2224 2275 2288 2299 2420 2450 2470 2548 2600 2641 2660 2695 2717 2780 2800 2860 2926 3025 3058 3080 3146 3185 3325 3344 3388 3458 3475 3575 3614 3640 3724 3800 3850 3892 3920 3952 4004 4180 4235 4312 4400 4550 4598 4655 4840 4865 4900 4940 5005 5096 5200 5225 5282 5320 5390 5434 5560 5720 5852 5929 6050 6116 6160 6175 6292 6370 6650 6776 6811 6916 6950 7007 7150 7228 7280 7315 7448 7600 7645 7700 7784 7865 8008 8360 8470 8624 8645 9035 9100 9196 9310 9680 9730 9800 9880 10010 10192 10241 10450 10564 10640 10703 10780 10868 11011 11120 11440 11495 11704 11858 12100 12103 12232 12350 12584 12649 12740 13205 13300 13475 13552 13585 13622 13832 13900 14014 14300 14456 14630 14896 15290 15400 15568 15730 15925 16016 16093 16720 16819 16940 17290 18070 18200 18392 18487 18620 19019 19460 19600 19760 19877 20020 20482 20900 21128 21175 21406 21560 21736 22022 22990 23275 23408 23716 24200 24206 24325 24464 24700 25025 25168 25298 25480 26410 26600 26950 27170 27244 27664 27800 28028 28600 28912 29051 29260 29645 29887 30580 30800 31460 31850 32186 33638 33880 34055 34333 34580 35035 36140 36400 36575 36784 36974 37240 38038 38225 38920 39325 39754 40040 40964 41800 42256 42350 42812 43120 43225 43472 44044 45175 45980 46550 47432 48400 48412 48650 49400 50050 50596 50960 51205 52820 53200 53515 53900 54340 54488 55055 55600 56056 57200 57475 58102 58520 59290 59774 60515 61160 62920 63245 63700 64372 66025 67276 67760 67925 68110 68666 69160 70070 72280 73150 73948 74480 74921 76076 76450 77077 77840 78650 79508 80080 80465 81928 83600 84095 84700 85624 86450 88088 88543 90350 91960 92435 93100 94864 95095 96824 97300 98800 99385 100100 101192 102410 105640 107030 107800 108680 108976 110110 112112 112651 114950 116204 117040 117733 118580 119548 121030 122320 125840 126490 127400 128744 129409 132050 133133 134552 135850 136220 137332 138320 139139 140140 144560 145255 146300 147896 148225 149435 149842 152152 152900 154154 157300 159016 160930 163856 168190 169400 170275 171248 171665 172900 175175 176176 177086 180700 183920 184870 186200 190190 193648 194600 198770 200200 202384 203357 204820 209209 211280 214060 215600 217360 218647 220220 225302 229900 232408 235466 237160 239096 240331 242060 252980 254800 256025 257488 258818 264100 266266 267575 269104 271700 272440 274664 275275 278278 280280 290510 292600 295792 296450 298870 299684 302575 304304 305800 308308 314600 316225 318032 319561 321860 336380 338800 340550 343330 345800 350350 354172 361400 369740 372400 374605 377663 380380 385385 389200 397540 400400 402325 406714 409640 418418 420475 428120 437294 440440 442715 450604 459800 462175 464816 470932 474320 475475 478192 480662 484120 496925 505960 512050 517636 528200 532532 535150 543400 544880 549328 550550 556556 560560 563255 581020 585200 588665 592900 597740 599368 605150 611600 616616 629200 632450 639122 643720 647045 665665 672760 681100 686660 691600 695695 700700 708344 722800 726275 739480 747175 749210 755326 760760 770770 795080 804650 813428 819280 824131 836836 840950 856240 858325 874588 880880 885430 901208 919600 924350 941864 950950 961324 968240 973973 993850 1011920 1016785 1024100 1035272 1046045 1056400 1065064 1070300 1086800 1093235 1101100 1113112 1126510 1162040 1177330 1185800 1195480 1198736 1201655 1210300 1233232 1264900 1278244 1287440 1294090 1331330 1345520 1362200 1373320 1391390 1401400 1416688 1423499 1452550 1464463 1478960 1494350 1498420 1510652 1521520 1530529 1541540 1590160 1597805 1609300 1626856 1648262 1673672 1681900 1682317 1716650 1749176 1770860 1802416 1848700 1873025 1883728 1888315 1901900 1922648 1926925 1947946 1987700 2033570 2048200 2070544 2092090 2130128 2140600 2186470 2202200 2213575 2226224 2236927 2253020 2324080 2354660 2371600 2390960 2403310 2420600 2529800 2556488 2588180 2643641 2662660 2724400 2746640 2782780 2802800 2816275 2846998 2905100 2928926 2943325 2988700 2996840 3021304 3061058 3083080 3195610 3218600 3235225 3253712 3296524 3328325 3347344 3363800 3364634 3433300 3478475 3498352 3541720 3697400 3746050 3776630 3803800 3845296 3853850 3895892 3975400 4067140 4096400 4120655 4154293 4184180 4281200 4372940 4404400 4427150 4473854 4506040 4709320 4806620 4841200 4869865 5059600 5083925 5112976 5176360 5230225 5287282 5325320 5466175 5565560 5632550 5693996 5810200 5857852 5886650 5977400 5993680 6008275 6042608 6122116 6166160 6391220 6437200 6470450 6593048 6656650 6727600 6729268 6866600 6956950 7083440 7117495 7322315 7394800 7492100 7553260 7607600 7652645 7707700 7791784 7950800 7989025 8134280 8241310 8308586 8368360 8411585 8745880 8854300 8947708 9012080 9418640 9441575 9613240 9739730 10167850 10352720 10460450 10574564 10650640 10713703 10932350 11131120 11184635 11265100 11387992 11620400 11715704 11773300 11954800 12016550 12244232 12782440 12940900 13186096 13218205 13313300 13458536 13733200 13913900 14234990 14644630 14984200 15106520 15305290 15415400 15583568 15658489 15978050 16268560 16482620 16617172 16736720 16823170 17491760 17708600 17895416 18505487 18883150 19226480 19479460 20335700 20603275 20771465 20920900 21149128 21427406 21864700 22369270 22530200 22775984 23431408 23546600 24033100 24349325 24488464 25564880 25881800 26436410 26626600 26917072 27827800 28469980 29080051 29289260 29968400 30213040 30610580 30830800 31316978 31956100 32965240 33234344 33646340 35417200 35587475 35790832 36611575 37010974 37766300 38263225 38958920 40671400 41206550 41542930 41841800 42057925 42298256 42854812 43729400 44738540 45060400 47093200 48066200 48698650 51763600 52872820 53253200 53568515 55655600 55923175 56939960 58160102 58578520 61221160 62633956 63912200 65930480 66091025 66468688 67292680 71174950 73223150 74021948 75532600 76526450 77917840 78292445 81342800 82413100 83085860 83683600 84115850 85709624 87458800 89477080 92527435 96132400 97397300 103857325 105745640 107137030 111846350 113879920 116320204 117157040 122442320 125267912 127824400 132182050 134585360 142349900 145400255 146446300 148043896 151065200 153052900 156584890 164826200 166171720 168231700 171419248 178954160 185054870 194794600 203560357 207714650 211491280 214274060 223692700 232640408 250535824 264364100 267842575 284699800 290800510 292892600 296087792 306105800 313169780 329652400 332343440 336463400 370109740 389589200 391462225 407120714 415429300 428548120 447385400 462637175 465280816 528728200 535685150 569399600 581601020 585785200 612211600 626339560 672926800 727001275 740219480 782924450 814241428 830858600 857096240 894770800 925274350 1017801785 1057456400 1071370300 1163202040 1252679120 1454002550 1480438960 1565848900 1628482856 1661717200 1850548700 2035603570 2142740600 2326404080 2908005100 3131697800 3256965712 3701097400 4071207140 4285481200 5089008925 5816010200 6263395600 7402194800 8142414280 10178017850 11632020400 16284828560 20356035700 40712071400 81424142800
• Sum of all divisors σ(n): 285585367200
• Sum of proper divisors (its aliquot sum) s(n): 204161224400
• 81424142800 is an abundant number, because the sum of its proper divisors (204161224400) is greater than itself. Its abundance is 122737081600

Bases of 81424142800

• Binary: 1001011110101010000011101000111010000₂
• Hexadecimal: 0x12F541D1D0
• Base-36: 11ELTYOG

Squares and roots of 81424142800

• 81424142800 squared (81424142800²) is 6629891030714791840000
• 81424142800 cubed (81424142800³) is 539833194033360396852434752000000
• The square root of 81424142800 is 285349.1594520649
• The cube root of 81424142800 is 4334.2876633169

Scales and comparisons

• 81,424,142,800 seconds is equal to 2,589 years, 1 week, 6 days, 1 hour, 26 minutes, 40 seconds.
• To count from 1 to 81,424,142,800 would take you about five thousand, one hundred seventy-eight 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 81424142800 cubic inches would be around 361.2 feet tall.

Recreational maths with 81424142800

• 81424142800 backwards is 00824142418
• The number of decimal digits it has is: 11
• The sum of 81424142800's digits is 34
• More coming soon!