381831867942

Names of 381831867942

• Cardinal: 381831867942 can be written as Three hundred eighty-one billion, eight hundred thirty-one million, eight hundred sixty-seven thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 3.81831867942 × 10¹¹

Factors of 381831867942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 88264532

Divisors of 381831867942

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 103 206 309 618 721 1442 2163 4326 88264417 176528834 264793251 529586502 617850919 1235701838 1853552757 3707105514 9091234951 18182469902 27273704853 54547409706 63638644657 127277289314 190915933971 381831867942
• Sum of all divisors σ(n): 881231949312
• Sum of proper divisors (its aliquot sum) s(n): 499400081370
• 381831867942 is an abundant number, because the sum of its proper divisors (499400081370) is greater than itself. Its abundance is 117568213428

Bases of 381831867942

• Binary: 101100011100110111100111110111000100110₂
• Hexadecimal: 0x58E6F3EE26
• Base-36: 4VESU2W6

Squares and roots of 381831867942

• 381831867942 squared (381831867942²) is 145795575376076927315364
• 381831867942 cubed (381831867942³) is 55669396883526112296713199435660888
• The square root of 381831867942 is 617925.4550040805
• The cube root of 381831867942 is 7254.7768310045

Scales and comparisons

• 381,831,867,942 seconds is equal to 12,141 years, 3 weeks, 5 days, 7 hours, 45 minutes, 42 seconds.
• To count from 1 to 381,831,867,942 would take you about twenty-four thousand, two hundred eighty-two 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 381831867942 cubic inches would be around 604.6 feet tall.

Recreational maths with 381831867942

• 381831867942 backwards is 249768138183
• The number of decimal digits it has is: 12
• The sum of 381831867942's digits is 60
• More coming soon!