1340639917

Names of 1340639917

• Cardinal: 1340639917 can be written as One billion, three hundred forty million, six hundred thirty-nine thousand, nine hundred seventeen.

Scientific notation

• Scientific notation: 1.340639917 × 10⁹

Factors of 1340639917

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 19467

Divisors of 1340639917

• Number of divisors d(n): 8
• Complete list of divisors:
  1 67 1093 18307 73231 1226569 20009551 1340639917
• Sum of all divisors σ(n): 1361968736
• Sum of proper divisors (its aliquot sum) s(n): 21328819
• 1340639917 is a deficient number, because the sum of its proper divisors (21328819) is less than itself. Its deficiency is 1319311098

Bases of 1340639917

• Binary: 1001111111010001000101010101101₂
• Hexadecimal: 0x4FE88AAD
• Base-36: M66KDP

Squares and roots of 1340639917

• 1340639917 squared (1340639917²) is 1797315387053766889
• 1340639917 cubed (1340639917³) is 2409552751322584916606308213
• The square root of 1340639917 is 36614.7499923187
• The cube root of 1340639917 is 1102.6492389711

Scales and comparisons

• 1,340,639,917 seconds is equal to 42 years, 32 weeks, 4 days, 15 hours, 58 minutes, 37 seconds.
• To count from 1 to 1,340,639,917 would take you about eighty-five 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 1340639917 cubic inches would be around 91.9 feet tall.

Recreational maths with 1340639917

• 1340639917 backwards is 7199360431
• The number of decimal digits it has is: 10
• The sum of 1340639917's digits is 43
• More coming soon!