18023387654966521

Names of 18023387654966521

• Cardinal: 18023387654966521 can be written as Eighteen quadrillion, twenty-three trillion, three hundred eighty-seven billion, six hundred fifty-four million, nine hundred sixty-six thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.8023387654966521 × 10¹⁶

Factors of 18023387654966521

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 134251211

Divisors of 18023387654966521

• Number of divisors d(n): 3
• Complete list of divisors:
  1 134251211 18023387654966521
• Sum of all divisors σ(n): 18023387789217733
• Sum of proper divisors (its aliquot sum) s(n): 134251212
• 18023387654966521 is a deficient number, because the sum of its proper divisors (134251212) is less than itself. Its deficiency is 18023387520715309

Bases of 18023387654966521

• Binary: 1000000000010000010110011110010110100101100110011111001₂
• Hexadecimal: 0x40082CF2D2CCF9
• Base-36: 4XGR9ZFORND

Squares and roots of 18023387654966521

• 18023387654966521 squared (18023387654966521²) is 324842502561199589034397630843441
• 18023387654966521 cubed (18023387654966521³) is 5854762350469955152850389229063639158837847438761
• 18023387654966521 is a perfect square number. Its square root is 134251211
• The cube root of 18023387654966521 is 262187.5958437491

Scales and comparisons

• 18,023,387,654,966,521 seconds is equal to 573,087,977 years, 22 weeks, 2 days, 8 hours, 2 minutes, 1 second.
• To count from 1 to 18,023,387,654,966,521 would take you about one billion, seven hundred nineteen million, two hundred sixty-three thousand, nine hundred thirty-two 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 18023387654966521 cubic inches would be around 21849 feet tall.

Recreational maths with 18023387654966521

• 18023387654966521 backwards is 12566945678332081
• The number of decimal digits it has is: 17
• The sum of 18023387654966521's digits is 76
• More coming soon!