18738931186983

Names of 18738931186983

• Cardinal: 18738931186983 can be written as Eighteen trillion, seven hundred thirty-eight billion, nine hundred thirty-one million, one hundred eighty-six thousand, nine hundred eighty-three.

Scientific notation

• Scientific notation: 1.8738931186983 × 10¹³

Factors of 18738931186983

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 323858

Divisors of 18738931186983

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 19 21 31 57 93 133 151 217 399 453 589 651 961 1057 1767 2869 2883 3171 4123 4681 6727 8607 12369 14043 18259 20083 20181 32767 54777 60249 88939 98301 127813 145111 266817 323647 383439 435333 622573 970941 1015777 1867719 2265529 2757109 3047331 6149293 6796587 8271327 10033057 18447879 19299763 30099171 43045051 48870697 57899289 70231399 129135153 146612091 190628083 210694197 311024767 342094879 571884249 928543243 933074301 1026284637 1334396581 1514991607 2177173369 2785629729 4003189743 4544974821 5909470573 6499802701 6531520107 10604941249 17728411719 19499408103 28784840533 31814823747 41366294011 46964739817 86354521599 124098882033 140894219451 201493883731 328753178719 604481651193 892330056523 986259536157 2676990169569 6246310395661 18738931186983
• Sum of all divisors σ(n): 31264086097920
• Sum of proper divisors (its aliquot sum) s(n): 12525154910937
• 18738931186983 is a deficient number, because the sum of its proper divisors (12525154910937) is less than itself. Its deficiency is 6213776276046

Bases of 18738931186983

• Binary: 100010000101011111111010101100011110100100111₂
• Hexadecimal: 0x110AFF563D27
• Base-36: 6N4JNSXT3

Squares and roots of 18738931186983

• 18738931186983 squared (18738931186983²) is 351147542030484105308642289
• 18738931186983 cubed (18738931186983³) is 6580129626587462397461391020178920124087
• The square root of 18738931186983 is 4328848.7138017425
• The cube root of 18738931186983 is 26561.2354809659

Scales and comparisons

• 18,738,931,186,983 seconds is equal to 595,840 years, 2 weeks, 3 days, 15 hours, 3 minutes, 3 seconds.
• To count from 1 to 18,738,931,186,983 would take you about one million, four hundred eighty-nine thousand, six hundred 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 18738931186983 cubic inches would be around 2213.4 feet tall.

Recreational maths with 18738931186983

• 18738931186983 backwards is 38968113983781
• The number of decimal digits it has is: 14
• The sum of 18738931186983's digits is 75
• More coming soon!