31009970387

Names of 31009970387

• Cardinal: 31009970387 can be written as Thirty-one billion, nine million, nine hundred seventy thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 3.1009970387 × 10¹⁰

Factors of 31009970387

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 256280758

Divisors of 31009970387

• Number of divisors d(n): 6
• Complete list of divisors:
  1 11 121 256280747 2819088217 31009970387
• Sum of all divisors σ(n): 34085339484
• Sum of proper divisors (its aliquot sum) s(n): 3075369097
• 31009970387 is a deficient number, because the sum of its proper divisors (3075369097) is less than itself. Its deficiency is 27934601290

Bases of 31009970387

• Binary: 11100111000010101101001100011010011₂
• Hexadecimal: 0x7385698D3
• Base-36: E8UJAAB

Squares and roots of 31009970387

• 31009970387 squared (31009970387²) is 961618263402616929769
• 31009970387 cubed (31009970387³) is 29819753871713516850441548750603
• The square root of 31009970387 is 176096.4803367745
• The cube root of 31009970387 is 3141.7173988813

Scales and comparisons

• 31,009,970,387 seconds is equal to 986 years, 1 week, 16 hours, 39 minutes, 47 seconds.
• To count from 1 to 31,009,970,387 would take you about one thousand, nine hundred seventy-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 31009970387 cubic inches would be around 261.8 feet tall.

Recreational maths with 31009970387

• 31009970387 backwards is 78307990013
• The number of decimal digits it has is: 11
• The sum of 31009970387's digits is 47
• More coming soon!