6991899813990

Names of 6991899813990

• Cardinal: 6991899813990 can be written as Six trillion, nine hundred ninety-one billion, eight hundred ninety-nine million, eight hundred thirteen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.99189981399 × 10¹²

Factors of 6991899813990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3561

Divisors of 6991899813990

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 31 35 39 42 45 54 62 63 65 70 78 81 90 91 93 105 117 126 130 135 155 162 182 186 189 195 210 217 234 270 273 279 310 315 351 378 390 403 405 434 455 465 546 558 567 585 630 651 702 806 810 819 837 910 930 945 1053 1085 1134 1170 1209 1302 1365 1395 1638 1674 1699 1755 1801 1890 1953 2015 2106 2170 2418 2457 2511 2730 2790 2821 2835 3255 3398 3510 3602 3627 3906 4030 4095 4185 4914 5022 5097 5265 5403 5642 5670 5859 6045 6510 7254 7371 8190 8370 8463 8495 9005 9765 10194 10530 10806 10881 11718 11893 12090 12285 12555 12607 14105 14742 15291 16209 16926 16990 17577 18010 18135 19530 21762 22087 23413 23786 24570 25110 25214 25389 25485 27015 28210 29295 30582 32418 32643 35154 35679 36270 36855 37821 42315 44174 45873 46826 48627 50778 50970 52669 54030 54405 55831 58590 59465 63035 65286 66261 70239 71358 73710 75642 76167 76455 81045 84630 87885 91746 97254 105338 107037 108810 110435 111662 113463 117065 118930 126070 126945 132522 137619 140478 145881 152334 152910 154609 158007 162090 163215 163891 167493 175770 178395 189105 198783 210717 214074 220870 226926 228501 229365 234130 243135 253890 263345 275238 279155 291762 309218 316014 321111 326430 327782 331305 334986 340389 351195 356790 368683 378210 380835 390817 397566 421434 457002 458730 463827 474021 486270 491673 502479 526690 535185 558310 567315 596349 632151 642222 662610 680778 684697 688095 702390 725803 729405 737366 761670 773045 781634 790035 819455 837465 927654 948042 963333 983346 993915 1004958 1021167 1053585 1070370 1106049 1134630 1142505 1172451 1192698 1264302 1369394 1376190 1391481 1422063 1451606 1458810 1475019 1507437 1546090 1580070 1605555 1638910 1674930 1701945 1789047 1843415 1896453 1926666 1954085 1987830 2042334 2054091 2107170 2177409 2212098 2285010 2319135 2344902 2370105 2458365 2512395 2782962 2844126 2950038 2981745 3014874 3059899 3160755 3211110 3318147 3403890 3423485 3517353 3578094 3629015 3686830 3792906 3908170 4108182 4174443 4266189 4354818 4425057 4522311 4638270 4740210 4792879 4816665 4916730 5024790 5080621 5105835 5530245 5862255 5963490 6119798 6162273 6321510 6532227 6636294 6846970 6957405 7034706 7110315 7258030 7375095 7537185 8348886 8532378 8850114 8945235 9044622 9179697 9482265 9585758 9633330 9954441 10161242 10211670 10270455 10552059 10887045 11060490 11724510 12324546 12523329 13064454 13275171 13914810 14220630 14378637 14750190 15074370 15241863 15299495 16590735 17586765 17890470 18359394 18486819 18964530 19596681 19908882 20540910 20872215 21104118 21330945 21419293 21774090 22125285 22611555 23964395 25046658 25403105 26550342 27539091 28757274 29863323 30483726 30598990 30811365 31656177 32661135 33181470 35173530 36973638 39193362 39778687 41744430 42661890 42838586 43135911 44250570 45223110 45725589 45898485 47928790 49772205 50806210 52760295 55078182 55460457 58790043 59726646 61622730 62616645 63312354 64257879 65322270 66375855 71893185 76209315 79557374 82617273 86271822 91451178 91796970 92434095 94856869 97983405 99544410 105520590 107096465 110920914 117580086 119336061 125233290 128515758 129407733 132751710 137176767 137695455 143786370 149316615 152418630 158280885 165234546 184868190 189713738 192773637 195966810 198893435 214192930 215679555 228627945 238672122 247851819 258815466 274353534 275390910 277302285 278450809 284570607 293950215 298633230 316561770 321289395 358008183 385547274 388223199 397786870 411530301 413086365 431359110 457255890 474284345 495703638 554604570 556901618 569141214 578320911 587900430 596680305 642578790 647038665 663998083 685883835 716016366 776446398 823060602 826172730 835352427 853711821 948568690 963868185 1074024549 1156641822 1193360610 1233139297 1239259095 1294077330 1327996166 1371767670 1392254045 1422853035 1670704854 1707423642 1734962733 1790040915 1927736370 1941115995 1991994249 2057651505 2148049098 2466278594 2478518190 2506057281 2561135463 2784508090 2845706070 2891604555 3222073647 3319990415 3469925466 3580081830 3699417891 3882231990 3983988498 4115303010 4176762135 4268559105 5012114562 5122270926 5370122745 5783209110 5975982747 6165696485 6444147294 6639980830 7398835782 7518171843 7683406389 8353524270 8537118210 8631975079 8674813665 9959971245 10740245490 11098253673 11951965494 12331392970 12530286405 12805677315 15036343686 15366812778 16110368235 17263950158 17349627330 17927948241 18497089455 19919942490 22196507346 22554515529 25060572810 25611354630 25895925237 29879913735 32220736470 33294761019 35855896482 36994178910 37590859215 38417031945 43159875395 45109031058 51791850474 53783844723 55491268365 59759827470 66589522038 75181718430 76834063890 77687775711 86319750790 89639741205 99884283057 107567689446 110982536730 112772577645 129479626185 155375551422 166473805095 179279482410 199768566114 225545155290 233063327133 258959252370 268919223615 332947610190 388438878555 466126654266 499421415285 537838447230 699189981399 776877757110 998842830570 1165316635665 1398379962798 2330633271330 3495949906995 6991899813990
• Sum of all divisors σ(n): 23912753356800
• Sum of proper divisors (its aliquot sum) s(n): 16920853542810
• 6991899813990 is an abundant number, because the sum of its proper divisors (16920853542810) is greater than itself. Its abundance is 9928953728820

Bases of 6991899813990

• Binary: 1100101101111101101101101000110100001100110₂
• Hexadecimal: 0x65BEDB46866
• Base-36: 2H818MGDI

Squares and roots of 6991899813990

• 6991899813990 squared (6991899813990²) is 48886663008873396599720100
• 6991899813990 cubed (6991899813990³) is 341810649998333715405042465676064199000
• The square root of 6991899813990 is 2644220.0766936931
• The cube root of 6991899813990 is 19121.9303615009

Scales and comparisons

• 6,991,899,813,990 seconds is equal to 222,320 years, 40 weeks, 6 days, 8 hours, 46 minutes, 30 seconds.
• To count from 1 to 6,991,899,813,990 would take you about five hundred fifty-five thousand, eight hundred 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 6991899813990 cubic inches would be around 1593.5 feet tall.

Recreational maths with 6991899813990

• 6991899813990 backwards is 0993189981996
• 6991899813990 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6991899813990's digits is 81
• More coming soon!