131132387

Names of 131132387

• Cardinal: 131132387 can be written as One hundred thirty-one million, one hundred thirty-two thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 1.31132387 × 10⁸

Factors of 131132387

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 22369

Divisors of 131132387

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 191 5921 22147 686557 4230077 131132387
• Sum of all divisors σ(n): 136077312
• Sum of proper divisors (its aliquot sum) s(n): 4944925
• 131132387 is a deficient number, because the sum of its proper divisors (4944925) is less than itself. Its deficiency is 126187462

Bases of 131132387

• Binary: 111110100001110101111100011₂
• Hexadecimal: 0x7D0EBE3
• Base-36: 262MEB

Squares and roots of 131132387

• 131132387 squared (131132387²) is 17195702920317769
• 131132387 cubed (131132387³) is 2254913570084139847484603
• The square root of 131132387 is 11451.3050347985
• The cube root of 131132387 is 508.0463344079

Scales and comparisons

• 131,132,387 seconds is equal to 4 years, 8 weeks, 5 days, 17 hours, 39 minutes, 47 seconds.
• To count from 1 to 131,132,387 would take you about 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 131132387 cubic inches would be around 42.3 feet tall.

Recreational maths with 131132387

• 131132387 backwards is 783231131
• The number of decimal digits it has is: 9
• The sum of 131132387's digits is 29
• More coming soon!