1640943359

Names of 1640943359

• Cardinal: 1640943359 can be written as One billion, six hundred forty million, nine hundred forty-three thousand, three hundred fifty-nine.

Scientific notation

• Scientific notation: 1.640943359 × 10⁹

Factors of 1640943359

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 169837

Divisors of 1640943359

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 883 9713 168943 1858373 149176669 1640943359
• Sum of all divisors σ(n): 1792157952
• Sum of proper divisors (its aliquot sum) s(n): 151214593
• 1640943359 is a deficient number, because the sum of its proper divisors (151214593) is less than itself. Its deficiency is 1489728766

Bases of 1640943359

• Binary: 1100001110011101100111011111111₂
• Hexadecimal: 0x61CECEFF
• Base-36: R4Z3ZZ

Squares and roots of 1640943359

• 1640943359 squared (1640943359²) is 2692695107446202881
• 1640943359 cubed (1640943359³) is 4418560154375638067343617279
• The square root of 1640943359 is 40508.5590832357
• The cube root of 1640943359 is 1179.4997781623

Scales and comparisons

• 1,640,943,359 seconds is equal to 52 years, 9 weeks, 1 day, 9 hours, 35 minutes, 59 seconds.
• To count from 1 to 1,640,943,359 would take you about one hundred 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 1640943359 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640943359

• 1640943359 backwards is 9533490461
• The number of decimal digits it has is: 10
• The sum of 1640943359's digits is 44
• More coming soon!