18163042451913

Names of 18163042451913

• Cardinal: 18163042451913 can be written as Eighteen trillion, one hundred sixty-three billion, forty-two million, four hundred fifty-one thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.8163042451913 × 10¹³

Factors of 18163042451913

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1403

Divisors of 18163042451913

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 31 43 93 97 129 291 961 1229 1333 2883 3007 3687 3999 4171 9021 12513 38099 41323 52847 93217 114297 119213 123969 129301 158541 279651 357639 387903 1181069 1510441 1638257 3543207 3695603 4008331 4531323 4914771 5126159 11086809 12024993 15378477 46823671 50785967 64948963 114563693 140471013 146512777 152357901 158910929 194846889 343691079 439538331 476732787 1451533801 2013417853 4354601403 4541896087 4926238799 6040253559 6300049411 13625688261 14778716397 18900148233 62415953443 140798778697 187247860329 195301531741 422396336091 585904595223 6054347483971 18163042451913
• Sum of all divisors σ(n): 25890788298144
• Sum of proper divisors (its aliquot sum) s(n): 7727745846231
• 18163042451913 is a deficient number, because the sum of its proper divisors (7727745846231) is less than itself. Its deficiency is 10435296605682

Bases of 18163042451913

• Binary: 100001000010011101001101100011000000111001001₂
• Hexadecimal: 0x1084E9B181C9
• Base-36: 6FRZIIPXL

Squares and roots of 18163042451913

• 18163042451913 squared (18163042451913²) is 329896111109993802917359569
• 18163042451913 cubed (18163042451913³) is 5991917070811825322178353838641612905497
• The square root of 18163042451913 is 4261812.1089406323
• The cube root of 18163042451913 is 26286.3043922541

Scales and comparisons

• 18,163,042,451,913 seconds is equal to 577,528 years, 29 weeks, 3 days, 17 hours, 58 minutes, 33 seconds.
• To count from 1 to 18,163,042,451,913 would take you about one million, four hundred forty-three thousand, eight hundred twenty-one 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 18163042451913 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18163042451913

• 18163042451913 backwards is 31915424036181
• The number of decimal digits it has is: 14
• The sum of 18163042451913's digits is 48
• More coming soon!