2181736980990

Names of 2181736980990

• Cardinal: 2181736980990 can be written as Two trillion, one hundred eighty-one billion, seven hundred thirty-six million, nine hundred eighty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.18173698099 × 10¹²

Factors of 2181736980990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 377

Divisors of 2181736980990

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 27 30 31 34 35 42 45 49 51 54 62 63 70 79 85 90 93 98 102 105 119 126 135 147 153 155 158 170 186 189 210 217 233 237 238 245 255 270 279 289 294 306 310 315 357 378 395 434 441 459 465 466 474 490 510 527 553 558 578 595 630 651 699 711 714 735 765 790 833 837 867 882 918 930 945 1054 1071 1085 1106 1165 1185 1190 1302 1323 1343 1395 1398 1422 1445 1470 1519 1530 1581 1631 1659 1666 1674 1734 1785 1890 1953 2023 2097 2133 2142 2170 2205 2295 2330 2370 2449 2499 2601 2635 2646 2686 2765 2790 2890 3038 3162 3213 3255 3262 3318 3495 3555 3570 3689 3871 3906 3961 4029 4046 4165 4185 4194 4266 4335 4410 4557 4590 4743 4893 4898 4977 4998 5202 5270 5355 5530 5859 6069 6291 6426 6510 6615 6715 6990 7110 7223 7347 7378 7497 7595 7742 7803 7905 7922 8058 8155 8295 8330 8370 8670 8959 9114 9401 9486 9765 9786 9954 10115 10485 10665 10710 11067 11417 11613 11718 11883 12087 12138 12245 12495 12582 13005 13230 13430 13671 14161 14229 14446 14679 14694 14931 14994 15190 15606 15810 16065 16310 16590 17143 17918 18207 18407 18445 18802 19355 19530 19805 20145 20230 20970 21330 21669 22041 22134 22491 22785 22831 22834 23226 23715 23766 24174 24465 24490 24885 24990 25823 26010 26877 27342 27727 28203 28322 28458 29295 29358 29862 30345 31455 32130 33201 34251 34286 34839 35649 36115 36261 36414 36735 36814 36890 37485 38710 39015 39610 40290 41013 41633 42483 43338 44037 44082 44795 44982 45570 45662 47005 47430 48930 49770 50561 51429 51646 53754 54621 55221 55335 55454 56406 57085 58065 58590 59415 60435 60690 62713 62910 65007 65807 66123 66402 67337 68355 68493 68502 69678 70805 71145 71298 72230 72522 73395 73470 74655 74970 77469 78030 80631 82026 83181 83266 84609 84966 85715 88074 89590 91035 92035 94010 99603 101122 102753 102858 104517 106947 108345 109242 110205 110442 110670 112455 114155 114170 116130 118830 120001 120870 122791 124899 125426 127449 128849 129115 130014 131614 132246 134385 134674 136710 136986 138635 141015 141610 142290 146790 149310 151683 154287 154938 159817 161262 165663 166005 166362 169218 171255 171430 174195 178245 181305 182070 184070 188139 194089 195021 197421 199206 202011 205065 205479 205506 208165 209034 212415 213894 216690 220185 220410 224910 228310 232407 240002 241893 245582 249543 249798 252805 253827 254898 257145 257698 258230 268770 273105 276105 277270 282030 291431 303366 308259 308574 312919 313565 319634 325035 329035 330615 331326 332010 336685 342465 342510 348390 353927 356490 360003 362610 368373 374697 376278 382347 386547 387345 388178 390042 394842 403155 404022 410130 410958 415905 416330 423045 424830 438991 440370 455049 462861 464814 471359 479451 483786 496989 498015 499086 505610 507654 513765 514290 522585 534735 546210 552210 564417 570617 582267 582862 592263 600005 606033 613955 616437 616518 624495 625838 627130 637245 644245 650070 658070 661230 673370 684930 697221 707761 707854 720006 736746 748629 749394 758415 764694 771435 773094 774690 799085 806310 828315 831810 846090 859537 874293 877982 901943 910098 925722 938757 940695 942718 958902 970445 975105 987105 993978 996030 1010055 1027395 1027530 1045170 1061781 1069470 1080009 1105119 1118719 1124091 1128834 1141234 1159641 1162035 1164534 1184526 1200010 1209465 1212066 1227910 1232874 1247715 1248990 1269135 1274490 1288490 1316973 1365147 1394442 1414077 1415522 1438353 1457155 1497258 1516830 1541295 1542870 1564595 1598170 1656630 1693251 1711851 1719074 1746801 1748586 1769635 1776789 1800015 1803886 1818099 1841865 1873485 1877514 1881390 1911735 1932735 1940890 1950210 1974210 2020110 2040017 2054790 2087447 2123283 2123562 2160018 2190433 2194955 2210238 2237438 2248182 2275245 2314305 2319282 2324070 2356795 2397255 2418930 2484945 2495430 2538270 2578611 2622879 2633946 2705829 2730294 2816271 2822085 2828154 2853085 2876706 2911335 2914310 2961315 3030165 3082185 3082590 3129190 3185343 3240027 3299513 3315357 3356157 3386502 3423702 3478923 3486105 3493602 3538805 3539270 3553578 3600030 3636198 3683730 3743145 3746970 3823470 3865470 3950919 3994319 4080034 4174894 4242231 4246566 4297685 4315059 4371465 4380866 4389910 4509715 4550490 4628610 4693785 4713590 4794510 4954327 4969890 5135553 5157222 5240403 5245758 5308905 5319623 5400045 5411658 5525595 5593595 5620455 5632542 5644170 5706170 5798205 5822670 5922630 6016759 6060330 6120051 6164370 6262341 6369849 6370686 6480054 6571299 6584865 6599026 6630714 6712314 6825735 6957846 6972210 7070385 7077610 7191765 7486290 7735833 7868637 7901838 7988638 8117487 8448813 8466255 8484462 8559255 8595370 8630118 8734005 8742930 8883945 9019430 9090495 9387570 9556029 9700489 9898539 9908654 10068471 10200085 10271106 10437235 10480806 10616415 10617810 10639246 10800090 10952165 11051190 11187190 11240910 11596410 11852757 11982957 12033518 12240102 12524682 12726693 12739698 12893055 13114395 13142598 13169730 13529145 13651470 14081355 14140770 14383530 14612129 14862981 15333031 15406659 15471666 15737274 15926715 15958869 16200135 16234974 16497565 16576785 16780785 16897626 16932510 17118510 17394615 17468010 17767890 18050277 18180990 18360153 18787023 19109547 19112058 19400978 19713897 19754595 19797078 19971595 20136942 20400170 20874470 21211155 21232830 21575295 21904330 23207499 23705514 23965914 24352461 24771635 25453386 25677765 25786110 26202015 26228790 26598115 27058290 27960233 28162710 29101467 29224258 29695617 29725962 30083795 30205413 30600255 30666062 30813318 31311705 31849245 31853430 31917738 32400270 32856495 32995130 33153570 33561570 34680289 34789230 35948871 36100554 36720306 37237361 37574046 38219094 38679165 39343185 39427794 39509190 39943190 40587435 42244065 42422310 43150590 43836387 44588943 45999093 46414998 47780145 47876607 48502445 48704922 49492695 49543270 50342355 51355530 52404030 53196230 54150831 55080459 55920466 56361069 58202934 59141691 59263785 59391234 59914785 60167590 60410826 61200510 62623410 63633465 63698490 65712990 67903423 69360578 71897742 73060645 74314905 74474722 76665155 77033295 77358330 78686370 79794345 81174870 83880699 84488130 87304401 87672774 89086851 89177886 90251385 91800765 91998186 93935115 95547735 95560290 95753214 97004890 98569485 98985390 100684710 102284903 104040867 107846613 108301662 110160918 111712083 112722138 116037495 118283382 118527570 119829570 121762305 127266930 131509161 133766829 135806846 137997279 139801165 143629821 145507335 146121290 148478085 148629810 151027065 153330310 154066590 159588690 162452493 164908313 167761398 173401445 174608802 178173702 179744355 180502770 183601530 186186805 187870230 191095470 197138970 203710269 204569806 208081734 215693226 219181935 222944715 223424166 229995465 232074990 239383035 243524610 251642097 260661527 261913203 263018322 267533658 270754155 275402295 275994558 279602330 281805345 287259642 291014670 295708455 296956170 302054130 306854709 312122601 324904986 329816626 335136249 339517115 346802890 359488710 372373610 394527483 407420538 413991837 419403495 436522005 438363870 445434255 445889430 459990930 475323961 478766070 494724939 503284194 511424515 520204335 521323054 523826406 539233065 541508310 550804590 558560415 563610690 591416910 611130807 613709418 624245202 657545805 668834145 670272498 679034230 689986395 718149105 754926291 781984581 789054966 812262465 824541565 827983674 838806990 873044010 890868510 920564127 936367803 950647922 989449878 1005408747 1018551345 1022849030 1040408670 1078466130 1117120830 1154358191 1222261614 1258210485 1303307635 1309566015 1315091610 1337668290 1379972790 1425971883 1436298210 1484174817 1509852582 1534273545 1560613005 1563969162 1624524930 1649083130 1675681245 1833392421 1841128254 1872735606 1972637415 2010817494 2037102690 2069959185 2308716382 2345953743 2376619805 2473624695 2516420970 2606615270 2619132030 2761692381 2851943766 2968349634 3055654035 3068547090 3121226010 3351362490 3463074573 3666784842 3774631455 3909922905 3945274830 4139918370 4277915649 4452524451 4602820635 4681839015 4691907486 4753239610 4947249390 5027043735 5523384762 5771790955 6111308070 6926149146 7037861229 7129859415 7420874085 7549262910 7819845810 8080507337 8555831298 8905048902 9166962105 9205641270 9363678030 10054087470 10389223719 11543581910 11729768715 12833746947 13808461905 14075722458 14259718830 14841748170 16161014674 17315372865 18333924210 20778447438 21389578245 22262622255 23459537430 24241522011 25667493894 27616923810 31167671157 34630745730 35189306145 40402536685 42779156490 44525244510 48483044022 51946118595 62335342314 64168734735 70378612290 72724566033 80805073370 103892237190 121207610055 128337469470 145449132066 155838355785 218173698099 242415220110 311676711570 363622830165 436347396198 727245660330 1090868490495 2181736980990
• Sum of all divisors σ(n): 7547472691200
• Sum of proper divisors (its aliquot sum) s(n): 5365735710210
• 2181736980990 is an abundant number, because the sum of its proper divisors (5365735710210) is greater than itself. Its abundance is 3183998729220

Bases of 2181736980990

• Binary: 11111101111111001101010000110000111111110₂
• Hexadecimal: 0x1FBF9A861FE
• Base-36: RU9XV8JI

Squares and roots of 2181736980990

• 2181736980990 squared (2181736980990²) is 4759976254219359621380100
• 2181736980990 cubed (2181736980990³) is 10385016222464634409560928831264299000
• The square root of 2181736980990 is 1477070.4048859689
• The cube root of 2181736980990 is 12969.8254414371

Scales and comparisons

• 2,181,736,980,990 seconds is equal to 69,372 years, 25 weeks, 2 days, 10 hours, 16 minutes, 30 seconds.
• To count from 1 to 2,181,736,980,990 would take you about one hundred seventy-three thousand, four hundred thirty-one 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 2181736980990 cubic inches would be around 1080.8 feet tall.

Recreational maths with 2181736980990

• 2181736980990 backwards is 0990896371812
• 2181736980990 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 2181736980990's digits is 63
• More coming soon!