1313400749

Names of 1313400749

• Cardinal: 1313400749 can be written as One billion, three hundred thirteen million, four hundred thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.313400749 × 10⁹

Factors of 1313400749

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17211

Divisors of 1313400749

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 3251 13931 94279 403999 45289681 1313400749
• Sum of all divisors σ(n): 1359205920
• Sum of proper divisors (its aliquot sum) s(n): 45805171
• 1313400749 is a deficient number, because the sum of its proper divisors (45805171) is less than itself. Its deficiency is 1267595578

Bases of 1313400749

• Binary: 1001110010010001110011110101101₂
• Hexadecimal: 0x4E48E7AD
• Base-36: LPYQI5

Squares and roots of 1313400749

• 1313400749 squared (1313400749²) is 1725021527473761001
• 1313400749 cubed (1313400749³) is 2265644566225161776560389749
• The square root of 1313400749 is 36240.8712505647
• The cube root of 1313400749 is 1095.1301942037

Scales and comparisons

• 1,313,400,749 seconds is equal to 41 years, 39 weeks, 4 days, 9 hours, 32 minutes, 29 seconds.
• To count from 1 to 1,313,400,749 would take you about eighty-three 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 1313400749 cubic inches would be around 91.3 feet tall.

Recreational maths with 1313400749

• 1313400749 backwards is 9470043131
• The number of decimal digits it has is: 10
• The sum of 1313400749's digits is 32
• More coming soon!