18020398674

Names of 18020398674

• Cardinal: 18020398674 can be written as Eighteen billion, twenty million, three hundred ninety-eight thousand, six hundred seventy-four.

Scientific notation

• Scientific notation: 1.8020398674 × 10¹⁰

Factors of 18020398674

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1375914

Divisors of 18020398674

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 37 59 74 111 118 177 222 354 2183 4366 6549 13098 1375813 2751626 4127439 8254878 50905081 81172967 101810162 152715243 162345934 243518901 305430486 487037802 3003399779 6006799558 9010199337 18020398674
• Sum of all divisors σ(n): 37642271040
• Sum of proper divisors (its aliquot sum) s(n): 19621872366
• 18020398674 is an abundant number, because the sum of its proper divisors (19621872366) is greater than itself. Its abundance is 1601473692

Bases of 18020398674

• Binary: 10000110010000110010111011001010010₂
• Hexadecimal: 0x432197652
• Base-36: 8A0VOLU

Squares and roots of 18020398674

• 18020398674 squared (18020398674²) is 324734768369900958276
• 18020398674 cubed (18020398674³) is 5851849989334660370028159726024
• The square root of 18020398674 is 134240.0784937197
• The cube root of 18020398674 is 2621.7310139773

Scales and comparisons

• 18,020,398,674 seconds is equal to 572 years, 51 weeks, 4 days, 10 hours, 17 minutes, 54 seconds.
• To count from 1 to 18,020,398,674 would take you about one thousand, one hundred forty-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 18020398674 cubic inches would be around 218.5 feet tall.

Recreational maths with 18020398674

• 18020398674 backwards is 47689302081
• The number of decimal digits it has is: 11
• The sum of 18020398674's digits is 48
• More coming soon!