81376936200

Names of 81376936200

• Cardinal: 81376936200 can be written as Eighty-one billion, three hundred seventy-six million, nine hundred thirty-six thousand, two hundred.

Scientific notation

• Scientific notation: 8.13769362 × 10¹⁰

Factors of 81376936200

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 342

Divisors of 81376936200

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 25 27 28 30 34 35 36 40 42 45 49 50 51 54 56 60 63 68 70 72 75 79 84 85 90 98 100 102 105 108 119 120 126 135 136 140 147 150 153 158 168 170 175 180 189 196 200 204 210 216 225 229 237 238 245 252 255 270 280 294 300 306 315 316 340 350 357 360 378 392 395 408 420 425 441 450 458 459 474 476 490 504 510 525 540 553 588 595 600 612 630 632 675 680 687 700 711 714 735 756 765 790 833 840 850 882 900 916 918 945 948 952 980 1020 1050 1071 1080 1106 1145 1176 1185 1190 1224 1225 1260 1275 1323 1343 1350 1374 1400 1422 1428 1470 1512 1530 1575 1580 1603 1659 1666 1700 1764 1785 1800 1832 1836 1890 1896 1960 1975 2040 2061 2100 2133 2142 2205 2212 2290 2295 2370 2380 2450 2499 2520 2550 2646 2686 2700 2748 2765 2844 2856 2940 2975 3060 3150 3160 3206 3213 3318 3332 3400 3435 3528 3555 3570 3672 3675 3780 3825 3871 3893 3950 4029 4122 4165 4200 4266 4284 4410 4424 4580 4590 4725 4740 4760 4809 4900 4977 4998 5100 5292 5355 5372 5400 5496 5530 5688 5725 5880 5925 5950 6120 6183 6300 6412 6426 6615 6636 6664 6715 6870 7110 7140 7350 7497 7560 7650 7742 7786 7900 8015 8058 8244 8295 8330 8532 8568 8820 8925 9160 9180 9401 9450 9480 9618 9800 9954 9996 10200 10305 10584 10665 10710 10744 11025 11060 11221 11450 11475 11613 11679 11850 11900 12087 12366 12495 12600 12824 12852 13230 13272 13430 13740 13825 14220 14280 14427 14700 14931 14994 15300 15484 15572 15800 16030 16065 16116 16488 16590 16660 17064 17175 17640 17775 17850 18091 18360 18802 18900 19236 19355 19465 19908 19992 20145 20610 20825 21330 21420 22050 22120 22442 22491 22900 22950 23226 23358 23700 23800 24045 24174 24732 24885 24990 25704 26460 26775 26860 27251 27480 27650 28203 28440 28854 29400 29862 29988 30600 30915 30968 31144 32060 32130 32232 33075 33180 33320 33575 33663 34350 34839 35037 35550 35700 36182 36261 37485 37604 37800 38472 38710 38930 39816 40075 40290 41220 41475 41650 42660 42840 43281 44100 44884 44982 45800 45900 46452 46716 47005 47400 48090 48348 49464 49770 49980 51525 52920 53325 53550 53720 54273 54502 55300 56105 56406 57708 58065 58395 59724 59976 60435 61830 62475 64120 64260 65807 66150 66360 67150 67326 68700 69678 70074 71100 71400 72135 72364 72522 74655 74970 75208 77420 77860 80150 80325 80580 81753 82440 82950 83300 84609 85320 86562 88200 89768 89964 90455 91800 92904 93432 94010 96180 96696 96775 97325 99540 99960 100725 100989 103050 104517 105111 106650 107100 108546 109004 110600 112210 112455 112812 115416 116130 116790 119448 120225 120870 123660 124425 124950 126637 128520 131614 132300 134300 134652 136255 137400 139356 140148 141015 142200 144270 144728 145044 149310 149940 154575 154840 155720 160300 160650 161160 162819 163506 165900 166600 168315 169218 173124 174195 175185 179928 180910 181305 187425 188020 190757 192360 193550 194650 197421 199080 201450 201978 206100 209034 210222 213300 214200 216405 217092 218008 224420 224910 225624 232260 233580 235025 240450 241740 245259 247320 248850 249900 253274 253827 263228 264600 268600 269304 271365 272510 278712 280296 280525 282030 288540 290088 290325 291975 298620 299880 302175 302967 307547 309150 320600 321300 325638 327012 329035 331800 336630 338436 346248 348390 350370 360675 361820 362610 373275 374850 376040 379911 381514 387100 389300 394842 402900 403956 408765 412200 418068 420444 423045 426600 432810 434184 448840 449820 452275 464520 467160 470050 480900 483480 488457 490518 497700 499800 504945 506548 507654 522585 525555 526456 542730 545020 561050 562275 564060 572271 577080 580650 583950 592263 597240 604350 605934 615094 618300 633185 642600 651276 654024 658070 673260 676872 681275 696780 700740 705075 721350 723640 725220 735777 746550 749700 759822 763028 774200 778600 789684 805800 807912 814095 817530 836136 840888 841575 846090 865620 870975 875925 886459 899640 904550 906525 922641 940100 953785 961800 976914 981036 987105 995400 1009890 1013096 1015308 1045170 1051110 1082025 1085460 1090040 1122100 1124550 1128120 1139733 1144542 1161300 1167900 1184526 1208700 1211868 1226295 1230188 1236600 1266370 1269135 1302552 1316140 1346520 1356825 1362550 1393560 1401480 1410150 1442700 1450440 1471554 1493100 1499400 1514835 1519644 1526056 1537735 1579368 1628190 1635060 1645175 1683150 1692180 1716813 1731240 1741950 1751850 1772918 1776789 1809100 1813050 1845282 1880200 1899555 1907570 1953828 1962072 1974210 2019780 2030616 2043825 2090340 2102220 2115225 2152829 2164050 2170920 2244200 2249100 2279466 2289084 2322600 2335800 2369052 2417400 2423736 2442285 2452590 2460376 2524725 2532740 2538270 2612925 2627775 2632280 2659377 2713650 2725100 2767923 2820300 2861355 2885400 2943108 2961315 2986200 3029670 3039288 3075470 3165925 3256380 3270120 3290350 3366300 3384360 3419199 3433626 3483900 3503700 3545836 3553578 3618200 3626100 3678885 3690564 3799110 3815140 3907656 3948420 4039560 4070475 4087650 4180680 4204440 4230450 4305658 4328100 4432295 4498200 4558932 4578168 4613205 4738104 4768925 4884570 4905180 4935525 5049450 5065480 5076540 5150439 5225850 5255550 5318754 5427300 5450200 5535846 5640600 5698665 5722710 5886216 5922630 6059340 6131475 6150940 6331850 6345675 6458487 6512760 6580700 6732600 6838398 6867252 6967800 7007400 7091672 7107156 7252200 7357770 7381128 7574175 7598220 7630280 7688675 7896840 7978131 8140950 8175300 8303769 8460900 8584065 8611316 8656200 8864590 8883945 9117864 9226410 9497775 9537850 9769140 9810360 9871050 10098900 10153080 10300878 10451700 10511100 10637508 10764145 10854600 11071692 11397330 11445420 11845260 12118680 12211425 12262950 12301880 12663700 12691350 12916974 13161400 13296885 13676796 13734504 13839615 14214312 14306775 14715540 14806575 15069803 15148350 15196440 15377350 15956262 16281900 16350600 16607538 16921800 17095995 17168130 17222632 17729180 17767890 18394425 18452820 18995550 19075700 19375461 19538280 19742100 20197800 20601756 20903400 21022200 21275016 21528290 22143384 22161475 22794660 22890840 23066025 23690520 23934393 24422850 24525900 25327400 25382700 25752195 25833948 26593770 27353592 27679230 28493325 28613550 29431080 29613150 30139606 30296700 30754700 31912524 32292435 32563800 33215076 34191990 34336260 35458360 35535780 36788850 36905640 37991100 38151400 38750922 39484200 39890655 41203512 41518845 42920325 43056580 44322950 44419725 45209409 45589320 46132050 47868786 48845700 49051800 50765400 51504390 51667896 53187540 53820725 55358460 56986650 57227100 58126383 59226300 60279212 60593400 61509400 63825048 64584870 66430152 66484425 68383980 68672520 69198075 71071560 73577700 75349015 75982200 77501844 79781310 83037690 85479975 85840650 86113160 88645900 88839450 90418818 92264100 95737572 96877305 97691400 103008780 106375080 107641450 110716920 113973300 114454200 116252766 118452600 119671965 120558424 128760975 129169740 132968850 135628227 136767960 138396150 147155400 150698030 155003688 159562620 161462175 166075380 170959950 171681300 177291800 177678900 180837636 184528200 191475144 193754610 199453275 206017560 207594225 215282900 226047045 227946600 232505532 239343930 257521950 258339480 265937700 271256454 276792300 290631915 301396060 319125240 322924350 332150760 341919900 343362600 355357800 361675272 376745075 387509220 398906550 406884681 415188450 430565800 452094090 465011064 478687860 484386525 515043900 531875400 542512908 553584600 581263830 598359825 602792120 645848700 678141135 683839800 753490150 775018440 797813100 813769362 830376900 904188180 957375720 968773050 1030087800 1085025816 1130235225 1162527660 1196719650 1291697400 1356282270 1453159575 1506980300 1595626200 1627538724 1660753800 1808376360 1937546100 2034423405 2260470450 2325055320 2393439300 2712564540 2906319150 3013960600 3255077448 3390705675 3875092200 4068846810 4520940900 4786878600 5425129080 5812638300 6781411350 8137693620 9041881800 10172117025 11625276600 13562822700 16275387240 20344234050 27125645400 40688468100 81376936200
• Sum of all divisors σ(n): 351138240000
• Sum of proper divisors (its aliquot sum) s(n): 269761303800
• 81376936200 is an abundant number, because the sum of its proper divisors (269761303800) is greater than itself. Its abundance is 188384367600

Bases of 81376936200

• Binary: 1001011110010011100011000000100001000₂
• Hexadecimal: 0x12F2718108
• Base-36: 11DTQ5U0

Squares and roots of 81376936200

• 81376936200 squared (81376936200²) is 6622205745298870440000
• 81376936200 cubed (81376936200³) is 538894814438459629727945928000000
• The square root of 81376936200 is 285266.4302016625
• The cube root of 81376936200 is 4333.4498833873

Scales and comparisons

• 81,376,936,200 seconds is equal to 2,587 years, 27 weeks, 5 days, 16 hours, 30 minutes.
• To count from 1 to 81,376,936,200 would take you about five thousand, one 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 81376936200 cubic inches would be around 361.1 feet tall.

Recreational maths with 81376936200

• 81376936200 backwards is 00263967318
• 81376936200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81376936200's digits is 45
• More coming soon!