8137406138

Names of 8137406138

• Cardinal: 8137406138 can be written as Eight billion, one hundred thirty-seven million, four hundred six thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 8.137406138 × 10⁹

Factors of 8137406138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 509376

Divisors of 8137406138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 8117 16234 501257 1002514 4068703069 8137406138
• Sum of all divisors σ(n): 12207637332
• Sum of proper divisors (its aliquot sum) s(n): 4070231194
• 8137406138 is a deficient number, because the sum of its proper divisors (4070231194) is less than itself. Its deficiency is 4067174944

Bases of 8137406138

• Binary: 111100101000001101111011010111010₂
• Hexadecimal: 0x1E506F6BA
• Base-36: 3QKSURE

Squares and roots of 8137406138

• 8137406138 squared (8137406138²) is 66217378654760075044
• 8137406138 cubed (8137406138³) is 538837703507514817580386220072
• The square root of 8137406138 is 90207.5725091857
• The cube root of 8137406138 is 2011.3855728713

Scales and comparisons

• 8,137,406,138 seconds is equal to 258 years, 38 weeks, 4 days, 22 hours, 35 minutes, 38 seconds.
• To count from 1 to 8,137,406,138 would take you about five hundred seventeen 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 8137406138 cubic inches would be around 167.6 feet tall.

Recreational maths with 8137406138

• 8137406138 backwards is 8316047318
• The number of decimal digits it has is: 10
• The sum of 8137406138's digits is 41
• More coming soon!