6440263542

Names of 6440263542

• Cardinal: 6440263542 can be written as Six billion, four hundred forty million, two hundred sixty-three thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 6.440263542 × 10⁹

Factors of 6440263542

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 357792424

Divisors of 6440263542

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 6 9 18 357792419 715584838 1073377257 2146754514 3220131771 6440263542
• Sum of all divisors σ(n): 13953904380
• Sum of proper divisors (its aliquot sum) s(n): 7513640838
• 6440263542 is an abundant number, because the sum of its proper divisors (7513640838) is greater than itself. Its abundance is 1073377296

Bases of 6440263542

• Binary: 101111111110111101001111101110110₂
• Hexadecimal: 0x17FDE9F76
• Base-36: 2YID75I

Squares and roots of 6440263542

• 6440263542 squared (6440263542²) is 41476994490414385764
• 6440263542 cubed (6440263542³) is 267122775448350637108213016088
• The square root of 6440263542 is 80251.2525883553
• The cube root of 6440263542 is 1860.5208721587

Scales and comparisons

• 6,440,263,542 seconds is equal to 204 years, 40 weeks, 4 days, 2 hours, 5 minutes, 42 seconds.
• To count from 1 to 6,440,263,542 would take you about four hundred nine 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 6440263542 cubic inches would be around 155 feet tall.

Recreational maths with 6440263542

• 6440263542 backwards is 2453620446
• The number of decimal digits it has is: 10
• The sum of 6440263542's digits is 36
• More coming soon!