3968431391

Names of 3968431391

• Cardinal: 3968431391 can be written as Three billion, nine hundred sixty-eight million, four hundred thirty-one thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 3.968431391 × 10⁹

Factors of 3968431391

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 16489

Divisors of 3968431391

• Number of divisors d(n): 8
• Complete list of divisors:
  1 59 7741 8689 456719 512651 67261549 3968431391
• Sum of all divisors σ(n): 4036678800
• Sum of proper divisors (its aliquot sum) s(n): 68247409
• 3968431391 is a deficient number, because the sum of its proper divisors (68247409) is less than itself. Its deficiency is 3900183982

Bases of 3968431391

• Binary: 11101100100010010111010100011111₂
• Hexadecimal: 0xEC89751F
• Base-36: 1TMP99B

Squares and roots of 3968431391

• 3968431391 squared (3968431391²) is 15748447705074194881
• 3968431391 cubed (3968431391³) is 62496634232338344949811909471
• The square root of 3968431391 is 62995.4870685197
• The cube root of 3968431391 is 1583.2140140653

Scales and comparisons

• 3,968,431,391 seconds is equal to 126 years, 9 weeks, 3 days, 22 hours, 3 minutes, 11 seconds.
• To count from 1 to 3,968,431,391 would take you about two hundred fifty-two 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 3968431391 cubic inches would be around 131.9 feet tall.

Recreational maths with 3968431391

• 3968431391 backwards is 1931348693
• The number of decimal digits it has is: 10
• The sum of 3968431391's digits is 47
• More coming soon!