428732820443272345381

Names of 428732820443272345381

• Cardinal: 428732820443272345381 can be written as Four hundred twenty-eight quintillion, seven hundred thirty-two quadrillion, eight hundred twenty trillion, four hundred forty-three billion, two hundred seventy-two million, three hundred forty-five thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 4.28732820443272345381 × 10²⁰

Factors of 428732820443272345381

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 400808867471175

Divisors of 428732820443272345381

• Number of divisors d(n): 8
• Complete list of divisors:
  1 73 14653 1069669 400808867456449 29259047324320777 5873052334839347197 428732820443272345381
• Sum of all divisors σ(n): 434635532634304554200
• Sum of proper divisors (its aliquot sum) s(n): 5902712191032208819
• 428732820443272345381 is a deficient number, because the sum of its proper divisors (5902712191032208819) is less than itself. Its deficiency is 422830108252240136562

Bases of 428732820443272345381

• Binary: 101110011110111011100111101001010101101011000100101000111011100100101₂
• Hexadecimal: 0x173DDCF4AB58947725
• Base-36: 2IHB70U753OHT1

Squares and roots of 428732820443272345381

• 428732820443272345381 squared (428732820443272345381²) is 183811831325243205522910581019572552035161
• 428732820443272345381 cubed (428732820443272345381³) is 78806164874914558269994349150735001206718662090737481247941341
• The square root of 428732820443272345381 is 20705864397.3940953987
• The cube root of 428732820443272345381 is 7540420.7002072899

Scales and comparisons

• 428,732,820,443,272,345,381 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 428,732,820,443,272,345,381 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 428732820443272345381 cubic inches would be around 628368.4 feet tall.

Recreational maths with 428732820443272345381

• 428732820443272345381 backwards is 183543272344028237824
• The number of decimal digits it has is: 21
• The sum of 428732820443272345381's digits is 82
• More coming soon!