1818107856990

Names of 1818107856990

• Cardinal: 1818107856990 can be written as One trillion, eight hundred eighteen billion, one hundred seven million, eight hundred fifty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.81810785699 × 10¹²

Factors of 1818107856990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1209

Divisors of 1818107856990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 30 38 45 53 57 90 95 106 114 137 159 171 181 190 265 274 285 318 342 362 411 477 530 543 570 685 795 809 822 855 905 954 1007 1086 1233 1370 1590 1618 1629 1710 1810 2014 2055 2385 2427 2466 2603 2715 3021 3258 3439 4045 4110 4770 4854 5035 5206 5430 6042 6165 6878 7261 7281 7809 8090 8145 9063 9593 10070 10317 12135 12330 13015 14522 14562 15105 15371 15618 16290 17195 18126 19186 20634 21783 23427 24270 24797 26030 28779 30210 30742 30951 34390 36305 36405 39045 42877 43566 45315 46113 46854 47965 49594 51585 57558 61902 65349 72610 72810 74391 76855 78090 85754 86337 90630 92226 95930 103170 108915 110833 117135 123985 128631 130698 137959 138339 143895 146429 148782 153710 154755 172674 182267 214385 217830 221666 223173 230565 234270 247970 257262 275918 276678 287790 292858 309510 326745 332499 364534 371955 385893 413877 428770 431685 439287 446346 461130 471143 546801 554165 643155 653490 664998 689795 691695 732145 743910 771786 814663 827754 863370 878574 911335 942286 997497 1093602 1108330 1115865 1241631 1286310 1314241 1317861 1379590 1383390 1413429 1464290 1629326 1640403 1662495 1822670 1929465 1994994 2069385 2105827 2196435 2231730 2355715 2443989 2483262 2628482 2635722 2734005 2782151 2826858 3280806 3324990 3858930 3942723 4073315 4138770 4211654 4240287 4392870 4711430 4887978 4987485 5468010 5564302 5874149 6208155 6317481 6571205 6589305 7067145 7331967 7760737 7885446 8146630 8202015 8346453 8480574 9974970 10529135 11748298 11828169 12219945 12416310 12634962 13142410 13178610 13910755 14134290 14663934 15521474 16404030 16692906 17622447 18952443 19713615 20060773 21058270 21201435 23282211 23656338 24439890 24970579 25039359 27821510 29370745 31587405 35244894 36659835 37904886 38803685 39427230 40121546 41732265 42402870 46564422 49941158 50078718 52867341 58741490 59140845 60182319 63174810 69846633 73319670 74911737 77607370 83464530 88112235 94762215 100303865 105734682 111608831 116411055 118281690 120364638 124852895 125196795 139693266 147454003 149823474 176224470 180546957 189524430 200607730 223217662 224735211 232822110 249705790 250393590 264336705 294908006 300911595 334826493 349233165 361093914 374558685 381154687 442362009 449470422 528673410 558044155 601823190 669652986 698466330 737270015 749117370 762309374 884724018 902734785 1004479479 1063220969 1116088310 1123676055 1143464061 1327086027 1474540030 1674132465 1805469570 1905773435 2008958958 2126441938 2211810045 2247352110 2286928122 2654172054 3189662907 3348264930 3430392183 3811546870 4423620090 5022397395 5316104845 5717320305 6379325814 6635430135 6860784366 9568988721 10044794790 10632209690 11434640610 13270860270 15948314535 17151960915 19137977442 20201198411 31896629070 34303921830 40402396822 47844943605 60603595233 95689887210 101005992055 121207190466 181810785699 202011984110 303017976165 363621571398 606035952330 909053928495 1818107856990
• Sum of all divisors σ(n): 5141325571200
• Sum of proper divisors (its aliquot sum) s(n): 3323217714210
• 1818107856990 is an abundant number, because the sum of its proper divisors (3323217714210) is greater than itself. Its abundance is 1505109857220

Bases of 1818107856990

• Binary: 11010011101001111101011000100100001011110₂
• Hexadecimal: 0x1A74FAC485E
• Base-36: N786H4RI

Squares and roots of 1818107856990

• 1818107856990 squared (1818107856990²) is 3305516179648770291860100
• 1818107856990 cubed (1818107856990³) is 6009784937626997606222543251887099000
• The square root of 1818107856990 is 1348372.2991036267
• The cube root of 1818107856990 is 12205.0589450853

Scales and comparisons

• 1,818,107,856,990 seconds is equal to 57,810 years, 10 weeks, 5 days, 16 minutes, 30 seconds.
• To count from 1 to 1,818,107,856,990 would take you about one hundred forty-four thousand, five hundred twenty-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 1818107856990 cubic inches would be around 1017.1 feet tall.

Recreational maths with 1818107856990

• 1818107856990 backwards is 0996587018181
• The number of decimal digits it has is: 13
• The sum of 1818107856990's digits is 63
• More coming soon!