40383720866808012868

Names of 40383720866808012868

• Cardinal: 40383720866808012868 can be written as Forty quintillion, three hundred eighty-three quadrillion, seven hundred twenty trillion, eight hundred sixty-six billion, eight hundred eight million, twelve thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0383720866808012868 × 10¹⁹

Factors of 40383720866808012868

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 314574121

Divisors of 40383720866808012868

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 69991 139982 279964 459317 918634 1837268 314044811 628089622 1256179244 32148056147 64296112294 128592224588 21980310366701 43960620733402 87921241466804 144246120454087 288492240908174 576984481816348 10095930216702003217 20191860433404006434 40383720866808012868
• Sum of all divisors σ(n): 70672675329168179904
• Sum of proper divisors (its aliquot sum) s(n): 30288954462360167036
• 40383720866808012868 is a deficient number, because the sum of its proper divisors (30288954462360167036) is less than itself. Its deficiency is 10094766404447845832

Bases of 40383720866808012868

• Binary: 100011000001101111110011000010101010001110100111110010000001000100₂
• Hexadecimal: 0x2306FCC2A8E9F2044
• Base-36: 8ITEAASKBE91G

Squares and roots of 40383720866808012868

• 40383720866808012868 squared (40383720866808012868²) is 1630844911048264922191549092170853585424
• 40383720866808012868 cubed (40383720866808012868³) is 65859585664827473745242040948567247602045870008750529236032
• The square root of 40383720866808012868 is 6354818712.3479779773
• The cube root of 40383720866808012868 is 3430852.9999997381

Scales and comparisons

• 40,383,720,866,808,012,868 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 40,383,720,866,808,012,868 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 40383720866808012868 cubic inches would be around 285904.4 feet tall.

Recreational maths with 40383720866808012868

• 40383720866808012868 backwards is 86821080866802738304
• The number of decimal digits it has is: 20
• The sum of 40383720866808012868's digits is 88
• More coming soon!