18940521703015

Names of 18940521703015

• Cardinal: 18940521703015 can be written as Eighteen trillion, nine hundred forty billion, five hundred twenty-one million, seven hundred three thousand and fifteen.

Scientific notation

• Scientific notation: 1.8940521703015 × 10¹³

Factors of 18940521703015

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1135

Divisors of 18940521703015

• Number of divisors d(n): 192
• Complete list of divisors:
  1 5 11 29 31 55 121 145 155 181 319 341 421 457 605 899 905 1595 1705 1991 2105 2285 3509 3751 4495 4631 5027 5249 5611 9889 9955 12209 13051 13253 14167 17545 18755 21901 23155 25135 26245 28055 49445 50941 55297 57739 61045 61721 65255 66265 70835 76201 82717 108779 109505 134299 143561 145783 155837 162719 192397 254705 276485 288695 308605 378479 381005 410843 413585 543895 635129 671495 678931 717805 728915 779185 813595 838211 909887 961985 1477289 1579171 1603613 1714207 1789909 1892395 2054215 2116367 2209829 2362231 2398793 2564227 3175645 3394655 4163269 4191055 4519273 4549435 5579513 5964307 7386445 7895855 8018065 8571035 8949545 9220321 10008757 10581835 11049145 11811155 11993965 12821135 19688999 20816345 22596365 23280037 24308119 25984541 26386723 27897565 28206497 29821535 34823857 45795959 46101605 49712003 50043785 61374643 65607377 68504699 74362583 98444995 116400185 121540595 129922705 131933615 141032485 172964903 174119285 228979795 248560015 267389309 285829951 290253953 306873215 310271467 328036885 342523495 371812915 383062427 675121073 721681147 753551689 817988413 864824515 1009891853 1079539567 1336946545 1429149755 1451269765 1551357335 1902613933 1915312135 3375605365 3608405735 3767758445 4089942065 4213686697 5049459265 5397697835 8289068579 8997872543 9513069665 11108810383 11874935237 20928753263 21068433485 31306647443 41445342895 44989362715 55544051915 59374676185 104643766315 122196914213 130624287607 156533237215 344373121873 610984571065 653121438035 1721865609365 3788104340603 18940521703015
• Sum of all divisors σ(n): 26947807810560
• Sum of proper divisors (its aliquot sum) s(n): 8007286107545
• 18940521703015 is a deficient number, because the sum of its proper divisors (8007286107545) is less than itself. Its deficiency is 10933235595470

Bases of 18940521703015

• Binary: 100010011100111101111000100010110011001100111₂
• Hexadecimal: 0x1139EF116667
• Base-36: 6PP5LLBHJ

Squares and roots of 18940521703015

• 18940521703015 squared (18940521703015²) is 358743362382382235860090225
• 18940521703015 cubed (18940521703015³) is 6794786441016085673585439511688554528375
• The square root of 18940521703015 is 4352070.9671390929
• The cube root of 18940521703015 is 26656.1431737159

Scales and comparisons

• 18,940,521,703,015 seconds is equal to 602,250 years, 1 day, 4 hours, 36 minutes, 55 seconds.
• To count from 1 to 18,940,521,703,015 would take you about one million, five hundred five thousand, six 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 18940521703015 cubic inches would be around 2221.3 feet tall.

Recreational maths with 18940521703015

• 18940521703015 backwards is 51030712504981
• The number of decimal digits it has is: 14
• The sum of 18940521703015's digits is 46
• More coming soon!