18513820745820

Names of 18513820745820

• Cardinal: 18513820745820 can be written as Eighteen trillion, five hundred thirteen billion, eight hundred twenty million, seven hundred forty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.851382074582 × 10¹³

Factors of 18513820745820

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 64523

Divisors of 18513820745820

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 729 810 972 1215 1458 1620 2187 2430 2916 3645 4374 4860 6561 7290 8748 10935 13122 14580 19683 21870 26244 32805 39366 43740 59049 64513 65610 78732 98415 118098 129026 131220 177147 193539 196830 236196 258052 295245 322565 354294 387078 393660 531441 580617 590490 645130 708588 774156 885735 967695 1062882 1161234 1180980 1290260 1594323 1741851 1771470 1935390 2125764 2322468 2657205 2903085 3188646 3483702 3542940 3870780 4782969 5225553 5314410 5806170 6377292 6967404 7971615 8709255 9565938 10451106 10628820 11612340 14348907 15676659 15943230 17418510 19131876 20902212 23914845 26127765 28697814 31353318 31886460 34837020 47029977 47829690 52255530 57395628 62706636 71744535 78383295 94059954 95659380 104511060 141089931 143489070 156766590 188119908 235149885 282179862 286978140 313533180 423269793 470299770 564359724 705449655 846539586 940599540 1269809379 1410899310 1693079172 2116348965 2539618758 2821798620 3809428137 4232697930 5079237516 6349046895 7618856274 8465395860 11428284411 12698093790 15237712548 19047140685 22856568822 25396187580 34284853233 38094281370 45713137644 57141422055 68569706466 76188562740 102854559699 114282844110 137139412932 171424266165 205709119398 228565688220 308563679097 342848532330 411418238796 514272798495 617127358194 685697064660 925691037291 1028545596990 1234254716388 1542818395485 1851382074582 2057091193980 3085636790970 3702764149164 4628455186455 6171273581940 9256910372910 18513820745820
• Sum of all divisors σ(n): 58319437975680
• Sum of proper divisors (its aliquot sum) s(n): 39805617229860
• 18513820745820 is an abundant number, because the sum of its proper divisors (39805617229860) is greater than itself. Its abundance is 21291796484040

Bases of 18513820745820

• Binary: 100001101011010010101101101011000000001011100₂
• Hexadecimal: 0x10D695B5805C
• Base-36: 6K94QUXR0

Squares and roots of 18513820745820

• 18513820745820 squared (18513820745820²) is 342761558608355021047472400
• 18513820745820 cubed (18513820745820³) is 6345826054632960997052457266193865368000
• The square root of 18513820745820 is 4302768.9626355725
• The cube root of 18513820745820 is 26454.4468354709

Scales and comparisons

• 18,513,820,745,820 seconds is equal to 588,682 years, 12 weeks, 16 hours, 57 minutes.
• To count from 1 to 18,513,820,745,820 would take you about one million, four hundred seventy-one thousand, seven hundred 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 18513820745820 cubic inches would be around 2204.5 feet tall.

Recreational maths with 18513820745820

• 18513820745820 backwards is 02854702831581
• 18513820745820 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18513820745820's digits is 54
• More coming soon!