18366273076921

Names of 18366273076921

• Cardinal: 18366273076921 can be written as Eighteen trillion, three hundred sixty-six billion, two hundred seventy-three million, seventy-six thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.8366273076921 × 10¹³

Factors of 18366273076921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7969

Divisors of 18366273076921

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 11 49 77 121 343 539 847 2401 3773 5929 7951 26411 41503 55657 87461 290521 389599 612227 962071 2727193 4285589 6734497 19090351 29999123 47141479 63218401 209993861 329990353 442528807 695402411 2309932471 3097701649 4867816877 7649426521 21683911543 34074718139 53545985647 151787380801 238523026973 374821899529 1669661188811 2623753296703 18366273076921
• Sum of all divisors σ(n): 23553902962149
• Sum of proper divisors (its aliquot sum) s(n): 5187629885228
• 18366273076921 is a deficient number, because the sum of its proper divisors (5187629885228) is less than itself. Its deficiency is 13178643191693

Bases of 18366273076921

• Binary: 100001011010000111011001011101011111010111001₂
• Hexadecimal: 0x10B43B2EBEB9
• Base-36: 6IDCKSBSP

Squares and roots of 18366273076921

• 18366273076921 squared (18366273076921²) is 337319986736033176782840241
• 18366273076921 cubed (18366273076921³) is 6195310990697354961573313572904647177961
• 18366273076921 is a perfect square number. Its square root is 4285589
• The cube root of 18366273076921 is 26383.9822279443

Scales and comparisons

• 18,366,273,076,921 seconds is equal to 583,990 years, 35 weeks, 1 hour, 22 minutes, 1 second.
• To count from 1 to 18,366,273,076,921 would take you about one million, four hundred fifty-nine thousand, nine hundred seventy-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 18366273076921 cubic inches would be around 2198.7 feet tall.

Recreational maths with 18366273076921

• 18366273076921 backwards is 12967037266381
• The number of decimal digits it has is: 14
• The sum of 18366273076921's digits is 61
• More coming soon!