1385177980

Names of 1385177980

• Cardinal: 1385177980 can be written as One billion, three hundred eighty-five million, one hundred seventy-seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.38517798 × 10⁹

Factors of 1385177980

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 69258906

Divisors of 1385177980

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 5 10 20 69258899 138517798 277035596 346294495 692588990 1385177980
• Sum of all divisors σ(n): 2908873800
• Sum of proper divisors (its aliquot sum) s(n): 1523695820
• 1385177980 is an abundant number, because the sum of its proper divisors (1523695820) is greater than itself. Its abundance is 138517840

Bases of 1385177980

• Binary: 1010010100100000010001101111100₂
• Hexadecimal: 0x5290237C
• Base-36: MWP664

Squares and roots of 1385177980

• 1385177980 squared (1385177980²) is 1918718036276880400
• 1385177980 cubed (1385177980³) is 2657765973679575913173592000
• The square root of 1385177980 is 37217.9792573429
• The cube root of 1385177980 is 1114.7270152893

Scales and comparisons

• 1,385,177,980 seconds is equal to 44 years, 2 weeks, 2 days, 3 hours, 39 minutes, 40 seconds.
• To count from 1 to 1,385,177,980 would take you about eighty-eight 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 1385177980 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385177980

• 1385177980 backwards is 0897715831
• The number of decimal digits it has is: 10
• The sum of 1385177980's digits is 49
• More coming soon!