18145623989493

Names of 18145623989493

• Cardinal: 18145623989493 can be written as Eighteen trillion, one hundred forty-five billion, six hundred twenty-three million, nine hundred eighty-nine thousand, four hundred ninety-three.

Scientific notation

• Scientific notation: 1.8145623989493 × 10¹³

Factors of 18145623989493

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 33386

Divisors of 18145623989493

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 63 77 81 91 99 117 143 189 231 243 273 297 351 429 567 693 819 891 1001 1053 1287 1701 2079 2411 2457 2673 3003 3159 3861 6237 7233 7371 9009 11583 16877 18711 21699 22113 26521 27027 30941 31343 34749 50631 65097 79563 81081 92823 94029 151893 185647 195291 216587 219401 238689 243243 278469 282087 340351 344773 402233 455679 556941 585873 649761 658203 716067 835407 846261 1021053 1034319 1206699 1367037 1670823 1949283 1974609 2148201 2382457 2413411 2506221 2538783 2815631 3063159 3102957 3620097 4101111 4424563 5012469 5847849 5923827 6444603 7147371 7240233 7518663 7616349 8446893 9189477 9308871 10860291 13273689 15037407 17543547 17771481 21442113 21720699 25340679 27568431 27926613 30971941 32580873 39821067 45112221 52630641 53314443 64326339 65162097 74598751 76022037 82705293 83779839 92915823 97742619 119463201 192979017 195486291 223796253 228066111 278747469 358389603 522191257 578937051 586458873 671388759 684198333 820586261 836242407 969783763 1075168809 1566573771 2014166277 2461758783 2508727221 2909351289 4699721313 5744103827 6042498831 6788486341 7385276349 7526181663 8728053867 10667621393 14099163939 17232311481 18127496493 20365459023 22155829047 26184161601 32002864179 42297491817 51696934443 61096377069 66467487141 74673349751 78552484803 96008592537 126892475451 155090803329 183289131207 199402461423 224020049253 235657454409 288025777611 465272409987 549867393621 672060147759 864077332833 1395817229961 1649602180863 2016180443277 2592231998499 6048541329831 18145623989493
• Sum of all divisors σ(n): 36511219390464
• Sum of proper divisors (its aliquot sum) s(n): 18365595400971
• 18145623989493 is an abundant number, because the sum of its proper divisors (18365595400971) is greater than itself. Its abundance is 219971411478

Bases of 18145623989493

• Binary: 100001000000011011011011110001101110011110101₂
• Hexadecimal: 0x1080DB78DCF5
• Base-36: 6FJZG0MB9

Squares and roots of 18145623989493

• 18145623989493 squared (18145623989493²) is 329263669968063857374397049
• 18145623989493 cubed (18145623989493³) is 5974694748641005383550989128430786206157
• The square root of 18145623989493 is 4259768.0675704633
• The cube root of 18145623989493 is 26277.8987988601

Scales and comparisons

• 18,145,623,989,493 seconds is equal to 576,974 years, 37 weeks, 1 day, 4 hours, 11 minutes, 33 seconds.
• To count from 1 to 18,145,623,989,493 would take you about one million, four hundred forty-two thousand, four hundred thirty-six 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 18145623989493 cubic inches would be around 2189.8 feet tall.

Recreational maths with 18145623989493

• 18145623989493 backwards is 39498932654181
• The number of decimal digits it has is: 14
• The sum of 18145623989493's digits is 72
• More coming soon!