420983154988838642

Names of 420983154988838642

• Cardinal: 420983154988838642 can be written as Four hundred twenty quadrillion, nine hundred eighty-three trillion, one hundred fifty-four billion, nine hundred eighty-eight million, eight hundred thirty-eight thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 4.20983154988838642 × 10¹⁷

Factors of 420983154988838642

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4542614

Divisors of 420983154988838642

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 101 202 10201 20402 4542511 9085022 458793611 917587222 46338154711 92676309422 20634406185121 41268812370242 2084075024697221 4168150049394442 210491577494419321 420983154988838642
• Sum of all divisors σ(n): 637789001180408397
• Sum of proper divisors (its aliquot sum) s(n): 216805846191569755
• 420983154988838642 is a deficient number, because the sum of its proper divisors (216805846191569755) is less than itself. Its deficiency is 204177308797268887

Bases of 420983154988838642

• Binary: 10111010111101000011111001011110001100010000110111011110010₂
• Hexadecimal: 0x5D7A1F2F1886EF2
• Base-36: 37562NIXECC2

Squares and roots of 420983154988838642

• 420983154988838642 squared (420983154988838642²) is 177226816784356537590275595912404164
• 420983154988838642 cubed (420983154988838642³) is 74609504478507277890299705571023485351215740484905288
• The square root of 420983154988838642 is 648832147.0063260065
• The cube root of 420983154988838642 is 749471.1263972569

Scales and comparisons

• 420,983,154,988,838,642 seconds is equal to 13,385,962,142 years, 12 weeks, 6 days, 5 hours, 24 minutes, 2 seconds.
• To count from 1 to 420,983,154,988,838,642 would take you about forty billion, one hundred fifty-seven million, eight hundred eighty-six thousand, four hundred twenty-six 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 420983154988838642 cubic inches would be around 62455.9 feet tall.

Recreational maths with 420983154988838642

• 420983154988838642 backwards is 246838889451389024
• The number of decimal digits it has is: 18
• The sum of 420983154988838642's digits is 92
• More coming soon!