420642639421632109

Names of 420642639421632109

• Cardinal: 420642639421632109 can be written as Four hundred twenty quadrillion, six hundred forty-two trillion, six hundred thirty-nine billion, four hundred twenty-one million, six hundred thirty-two thousand, one hundred nine.

Scientific notation

• Scientific notation: 4.20642639421632109 × 10¹⁷

Factors of 420642639421632109

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3350

Divisors of 420642639421632109

• Number of divisors d(n): 12
• Complete list of divisors:
  1 241 3109 58081 749269 9665881 13997521 180573829 2329477321 43518292789 561404034361 135298372281001
• Sum of all divisors σ(n): 420643246878484512
• Sum of proper divisors (its aliquot sum) s(n): 607456852403
• 420642639421632109 is a deficient number, because the sum of its proper divisors (607456852403) is less than itself. Its deficiency is 420642031964779706

Bases of 420642639421632109

• Binary: 10111010110011011000100000001111100000110111110111001101101₂
• Hexadecimal: 0x5D66C407C1BEE6D
• Base-36: 371TDCU0J9F1

Squares and roots of 420642639421632109

• 420642639421632109 squared (420642639421632109²) is 176940230099597207211564937339787881
• 420642639421632109 cubed (420642639421632109³) is 74428605408965484462340957089600147685085572878671029
• The square root of 420642639421632109 is 648569687.4057807129
• 420642639421632109 is a perfect cube number. Its cube root is 749269

Scales and comparisons

• 420,642,639,421,632,109 seconds is equal to 13,375,134,800 years, 25 weeks, 5 days, 1 minute, 49 seconds.
• To count from 1 to 420,642,639,421,632,109 would take you about forty billion, one hundred twenty-five million, four hundred four thousand, four hundred one 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 420642639421632109 cubic inches would be around 62439.1 feet tall.

Recreational maths with 420642639421632109

• 420642639421632109 backwards is 901236124936246024
• The number of decimal digits it has is: 18
• The sum of 420642639421632109's digits is 64
• More coming soon!