421821340848943505

Names of 421821340848943505

• Cardinal: 421821340848943505 can be written as Four hundred twenty-one quadrillion, eight hundred twenty-one trillion, three hundred forty billion, eight hundred forty-eight million, nine hundred forty-three thousand, five hundred five.

Scientific notation

• Scientific notation: 4.21821340848943505 × 10¹⁷

Factors of 421821340848943505

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 82174961

Divisors of 421821340848943505

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 43 173 215 865 7439 37195 138241 691205 5944363 23915693 29721815 82036499 119578465 410182495 1028374799 3527569457 5141873995 14192314327 17637847285 70961571635 610269516061 3051347580305 11340807658259 56704038291295 487654729305137 1961959724878807 2438273646525685 9809798624394035 84364268169788701 421821340848943505
• Sum of all divisors σ(n): 520955115368688000
• Sum of proper divisors (its aliquot sum) s(n): 99133774519744495
• 421821340848943505 is a deficient number, because the sum of its proper divisors (99133774519744495) is less than itself. Its deficiency is 322687566329199010

Bases of 421821340848943505

• Binary: 10111011010100111000100011001001011111110101111000110010001₂
• Hexadecimal: 0x5DA9C464BFAF191
• Base-36: 37DF6OSL6QOH

Squares and roots of 421821340848943505

• 421821340848943505 squared (421821340848943505²) is 177933243595600574447498474681685025
• 421821340848943505 cubed (421821340848943505³) is 75056039395097923892281520489657244281856944429512625
• The square root of 421821340848943505 is 649477744.6910275039
• The cube root of 421821340848943505 is 749968.2006363119

Scales and comparisons

• 421,821,340,848,943,505 seconds is equal to 13,412,613,859 years, 47 weeks, 5 days, 22 hours, 5 minutes, 5 seconds.
• To count from 1 to 421,821,340,848,943,505 would take you about forty billion, two hundred thirty-seven million, eight hundred forty-one thousand, five hundred seventy-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 421821340848943505 cubic inches would be around 62497.4 feet tall.

Recreational maths with 421821340848943505

• 421821340848943505 backwards is 505349848043128124
• The number of decimal digits it has is: 18
• The sum of 421821340848943505's digits is 71
• More coming soon!