3999427649

Names of 3999427649

• Cardinal: 3999427649 can be written as Three billion, nine hundred ninety-nine million, four hundred twenty-seven thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 3.999427649 × 10⁹

Factors of 3999427649

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 571346814

Divisors of 3999427649

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 571346807 3999427649
• Sum of all divisors σ(n): 4570774464
• Sum of proper divisors (its aliquot sum) s(n): 571346815
• 3999427649 is a deficient number, because the sum of its proper divisors (571346815) is less than itself. Its deficiency is 3428080834

Bases of 3999427649

• Binary: 11101110011000100110110001000001₂
• Hexadecimal: 0xEE626C41
• Base-36: 1U55M4H

Squares and roots of 3999427649

• 3999427649 squared (3999427649²) is 15995421519585667201
• 3999427649 cubed (3999427649³) is 63972531082840512427791840449
• The square root of 3999427649 is 63241.0282095413
• The cube root of 3999427649 is 1587.3253358085

Scales and comparisons

• 3,999,427,649 seconds is equal to 127 years, 8 weeks, 5 days, 16 hours, 7 minutes, 29 seconds.
• To count from 1 to 3,999,427,649 would take you about two hundred fifty-four 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 3999427649 cubic inches would be around 132.3 feet tall.

Recreational maths with 3999427649

• 3999427649 backwards is 9467249993
• The number of decimal digits it has is: 10
• The sum of 3999427649's digits is 62
• More coming soon!