1368543391

Names of 1368543391

• Cardinal: 1368543391 can be written as One billion, three hundred sixty-eight million, five hundred forty-three thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 1.368543391 × 10⁹

Factors of 1368543391

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 18593

Divisors of 1368543391

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 2801 15761 86831 488591 44146561 1368543391
• Sum of all divisors σ(n): 1413283968
• Sum of proper divisors (its aliquot sum) s(n): 44740577
• 1368543391 is a deficient number, because the sum of its proper divisors (44740577) is less than itself. Its deficiency is 1323802814

Bases of 1368543391

• Binary: 1010001100100100101000010011111₂
• Hexadecimal: 0x5192509F
• Base-36: MMSMU7

Squares and roots of 1368543391

• 1368543391 squared (1368543391²) is 1872911013049778881
• 1368543391 cubed (1368543391³) is 2563159988840389641603925471
• The square root of 1368543391 is 36993.8290935123
• The cube root of 1368543391 is 1110.2467841299

Scales and comparisons

• 1,368,543,391 seconds is equal to 43 years, 26 weeks, 5 days, 14 hours, 56 minutes, 31 seconds.
• To count from 1 to 1,368,543,391 would take you about eighty-seven 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 1368543391 cubic inches would be around 92.5 feet tall.

Recreational maths with 1368543391

• 1368543391 backwards is 1933458631
• The number of decimal digits it has is: 10
• The sum of 1368543391's digits is 43
• More coming soon!