18389188180818

Names of 18389188180818

• Cardinal: 18389188180818 can be written as Eighteen trillion, three hundred eighty-nine billion, one hundred eighty-eight million, one hundred eighty thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.8389188180818 × 10¹³

Factors of 18389188180818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2077

Divisors of 18389188180818

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 41 42 54 63 78 81 82 91 117 123 126 162 182 189 234 243 246 273 287 351 369 378 486 533 546 567 574 702 729 738 819 861 1053 1066 1107 1134 1458 1599 1638 1681 1701 1722 2011 2106 2214 2457 2583 3159 3198 3321 3362 3402 3731 4022 4797 4914 5043 5103 5166 6033 6318 6642 7371 7462 7749 9477 9594 9963 10086 10206 11193 11767 12066 14077 14391 14742 15129 15498 18099 18954 19926 21853 22113 22386 23247 23534 26143 28154 28782 29889 30258 33579 35301 36198 42231 43173 43706 44226 45387 46494 52286 54297 59778 65559 66339 67158 68921 69741 70602 78429 82451 84462 86346 90774 100737 105903 108594 126693 129519 131118 132678 136161 137842 139482 152971 156858 162891 164902 183001 196677 201474 206763 209223 211806 235287 247353 253386 259038 272322 302211 305942 317709 325782 366002 380079 388557 393354 408483 413526 418446 458913 470574 482447 488673 494706 549003 577157 590031 604422 620289 635418 705861 742059 760158 777114 816966 895973 906633 917826 953127 964894 977346 1071863 1098006 1140237 1154314 1180062 1225449 1240578 1376739 1411722 1447341 1466019 1484118 1647009 1731471 1770093 1791946 1813266 1860867 1906254 2117583 2143726 2226177 2280474 2450898 2687919 2719899 2753478 2859381 2894682 2932038 3215589 3294018 3380491 3420711 3462942 3540186 3721734 4130217 4235166 4342023 4452354 4941027 5194413 5310279 5375838 5439798 5582601 5718762 6271811 6352749 6431178 6678531 6760982 6841422 7503041 8063757 8260434 8578143 8684046 9646767 9882054 10141473 10262133 10388826 10620558 11165202 12390651 12543622 12705498 13026069 13357062 14823081 15006082 15583239 15930837 16127514 16747803 17156286 18815433 19058247 19293534 20035593 20282946 20524266 22509123 23663437 24191271 24781302 26052138 28940301 29646162 30424419 31166478 31861674 33495606 37171953 37630866 38116494 39078207 40071186 43946383 44469243 45018246 46749717 47326874 48382542 50243409 56446299 57880602 60106779 60848838 67527369 70990311 72573813 74343906 78156414 86820903 87892766 88938486 91273257 93499434 100486818 111515859 112892598 117234621 120213558 131839149 133407729 135054738 138600131 140249151 141980622 145147626 169338897 173641806 182546514 202582107 212970933 217721439 223031718 234469242 260462709 263678298 266815458 273819771 277200262 280498302 307624681 338677794 351703863 395517447 405164214 415800393 420747453 425941866 435442878 508016691 520925418 547639542 607746321 615249362 638912799 653164317 703407726 781388127 791034894 821459313 831600786 841494906 922874043 970200917 1016033382 1186552341 1215492642 1247401179 1277825598 1306328634 1524050073 1562776254 1642918626 1801801703 1823238963 1845748086 1916738397 1940401834 2373104682 2464377939 2494802358 2768622129 2910602751 3048100146 3559657023 3603603406 3646477926 3742203537 3833476794 4572150219 4928755878 5405405109 5469716889 5537244258 5750215191 5821205502 7119314046 7484407074 8305866387 8731808253 9144300438 10678971069 10810810218 10939433778 11226610611 11500430382 12612611921 16216215327 16611732774 17250645573 17463616506 21357942138 22453221222 24917599161 25225223842 26195424759 32036913207 32432430654 33679831833 34501291146 37837835763 48648645981 49835198322 52390849518 64073826414 67359663666 74752797483 75675671526 78586274277 97297291962 101039495499 113513507289 145945937943 149505594966 157172548554 202078990998 224258392449 227027014578 235758822831 291891875886 340540521867 437837813829 448516784898 471517645662 681081043734 707276468493 875675627658 1021621565601 1313513441487 1414552936986 2043243131202 2627026882974 3064864696803 6129729393606 9194594090409 18389188180818
• Sum of all divisors σ(n): 52199061836544
• Sum of proper divisors (its aliquot sum) s(n): 33809873655726
• 18389188180818 is an abundant number, because the sum of its proper divisors (33809873655726) is greater than itself. Its abundance is 15420685474908

Bases of 18389188180818

• Binary: 100001011100110010001000001110111101101010010₂
• Hexadecimal: 0x10B991077B52
• Base-36: 6INVJUJ4I

Squares and roots of 18389188180818

• 18389188180818 squared (18389188180818²) is 338162241949536424263149124
• 18389188180818 cubed (18389188180818³) is 6218529102857332083454087875685410303432
• The square root of 18389188180818 is 4288261.6735476859
• The cube root of 18389188180818 is 26394.9505287591

Scales and comparisons

• 18,389,188,180,818 seconds is equal to 584,719 years, 15 weeks, 5 days, 4 hours, 18 seconds.
• To count from 1 to 18,389,188,180,818 would take you about one million, four hundred sixty-one thousand, seven hundred ninety-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 18389188180818 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389188180818

• 18389188180818 backwards is 81808188198381
• The number of decimal digits it has is: 14
• The sum of 18389188180818's digits is 72
• More coming soon!