18181800842166

Names of 18181800842166

• Cardinal: 18181800842166 can be written as Eighteen trillion, one hundred eighty-one billion, eight hundred million, eight hundred forty-two thousand, one hundred sixty-six.

Scientific notation

• Scientific notation: 1.8181800842166 × 10¹³

Factors of 18181800842166

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11909

Divisors of 18181800842166

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 13 17 18 26 31 34 39 41 51 62 78 82 93 102 117 123 153 186 221 234 246 279 306 313 369 403 442 527 533 558 626 663 697 738 806 939 1054 1066 1209 1271 1326 1394 1581 1599 1878 1989 2091 2418 2542 2817 3162 3198 3627 3813 3978 4069 4182 4743 4797 5321 5634 6273 6851 7254 7626 8138 9061 9486 9594 9703 10642 11439 11489 12207 12546 12833 13702 15963 16523 18122 19406 20553 21607 22878 22978 24414 25666 27183 29109 31926 33046 34467 36621 38499 41106 43214 47889 49569 54366 58218 61659 64821 68934 69173 73242 76998 81549 87327 95778 99138 103401 115497 123318 126139 129642 138346 148707 149357 163098 164951 166829 174654 194463 195313 206802 207519 218161 230994 252278 280891 297414 298714 329902 333658 356159 378417 388926 390626 397823 415038 436322 448071 471049 494853 500487 561782 585939 622557 654483 712318 756834 795646 842673 896142 942098 989706 1000974 1068477 1135251 1171878 1193469 1245114 1308966 1344213 1413147 1484559 1501461 1685346 1757817 1963449 2136954 2144363 2270502 2386938 2528019 2539069 2688426 2826294 2836093 2969118 3002922 3205431 3515634 3580407 3596057 3926898 4239441 4288726 4630067 5056038 5078138 5171699 5672186 6054703 6123637 6410862 6433089 6762991 7160814 7192114 7617207 8007833 8478882 8508279 9260134 10343398 10788171 12109406 12247274 12866178 13525982 13890201 14602519 15234414 15515097 16015666 17016558 18164109 18370911 19299267 20288973 21576342 22851621 24023499 25524837 27780402 29205038 31030194 32364513 36328218 36741822 38598534 40577946 41670603 43807557 45703242 46545291 46748741 48046998 51049674 54492327 55112733 60866919 61132969 64729026 72070497 78711139 83341206 87615114 87918883 93090582 93497482 104101829 108984654 110225466 111477767 121733838 122265938 131422671 140246223 144140994 147438337 157422278 175837766 183398907 189832747 208203658 222955534 236133417 248242823 262845342 263756649 280492446 294876674 312305487 334433301 366797814 379665494 420738669 442315011 472266834 496485646 527513298 550196721 569498241 624610974 668866602 708400251 744728469 791269947 794728597 841477338 884630022 936916461 1003299903 1100393442 1138996482 1326945033 1416800502 1449210971 1489456938 1582539894 1589457194 1708494723 1873832922 1895122039 1916698381 2006599806 2234185407 2384185791 2506451729 2653890066 2898421942 3227156699 3416989446 3790244078 3833396762 4347632913 4468370814 4570588447 4768371582 5012903458 5685366117 5750095143 6454313398 7152557373 7519355187 8695265826 9141176894 9681470097 11370732234 11500190286 13042898739 13711765341 14305114746 15038710374 17056098351 17250285429 19362940194 22558065561 24636586507 26085797478 27423530682 29044410291 32583872477 34112196702 34500570858 41135296023 45116131122 49273173014 58088820582 59417649811 65167744954 73909759521 77700003599 82270592046 97751617431 118835299622 147819519042 155400007198 178252949433 195503234862 221729278563 233100010797 293254852293 356505898866 443458557126 466200021594 534758848299 586509704586 699300032391 1010100046787 1069517696598 1398600064782 2020200093574 3030300140361 6060600280722 9090900421083 18181800842166
• Sum of all divisors σ(n): 47655616619520
• Sum of proper divisors (its aliquot sum) s(n): 29473815777354
• 18181800842166 is an abundant number, because the sum of its proper divisors (29473815777354) is greater than itself. Its abundance is 11292014935188

Bases of 18181800842166

• Binary: 100001000100101000111110001111101001110110110₂
• Hexadecimal: 0x108947C7D3B6
• Base-36: 6G0LQS4HI

Squares and roots of 18181800842166

• 18181800842166 squared (18181800842166²) is 330577881864188266843571556
• 18181800842166 cubed (18181800842166³) is 6010501210879750688132425251464083030296
• The square root of 18181800842166 is 4264012.2938572773
• The cube root of 18181800842166 is 26295.3505841633

Scales and comparisons

• 18,181,800,842,166 seconds is equal to 578,125 years, 1 week, 2 days, 17 hours, 56 minutes, 6 seconds.
• To count from 1 to 18,181,800,842,166 would take you about one million, four hundred forty-five thousand, three hundred twelve 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 18181800842166 cubic inches would be around 2191.3 feet tall.

Recreational maths with 18181800842166

• 18181800842166 backwards is 66124800818181
• The number of decimal digits it has is: 14
• The sum of 18181800842166's digits is 54
• More coming soon!