40399879017665638

Names of 40399879017665638

• Cardinal: 40399879017665638 can be written as Forty quadrillion, three hundred ninety-nine trillion, eight hundred seventy-nine billion, seventeen million, six hundred sixty-five thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 4.0399879017665638 × 10¹⁶

Factors of 40399879017665638

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1063154710991222

Divisors of 40399879017665638

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 19 38 1063154710991201 2126309421982402 20199939508832819 40399879017665638
• Sum of all divisors σ(n): 63789282659472120
• Sum of proper divisors (its aliquot sum) s(n): 23389403641806482
• 40399879017665638 is a deficient number, because the sum of its proper divisors (23389403641806482) is less than itself. Its deficiency is 17010475375859156

Bases of 40399879017665638

• Binary: 10001111100001110111100111010101110100010001010001100110₂
• Hexadecimal: 0x8F8779D5D11466
• Base-36: B1SK87D5I7A

Squares and roots of 40399879017665638

• 40399879017665638 squared (40399879017665638²) is 1632150224642020275627678765947044
• 40399879017665638 cubed (40399879017665638³) is 65938671614193412481049480973028693867183206474072
• The square root of 40399879017665638 is 200997211.4673873729
• The cube root of 40399879017665638 is 343131.0518088425

Scales and comparisons

• 40,399,879,017,665,638 seconds is equal to 1,284,591,187 years, 38 weeks, 2 hours, 13 minutes, 58 seconds.
• To count from 1 to 40,399,879,017,665,638 would take you about three billion, eight hundred fifty-three million, seven hundred seventy-three thousand, five hundred sixty-three 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 40399879017665638 cubic inches would be around 28594.3 feet tall.

Recreational maths with 40399879017665638

• 40399879017665638 backwards is 83656671097899304
• The number of decimal digits it has is: 17
• The sum of 40399879017665638's digits is 91
• More coming soon!