1640774379

Names of 1640774379

• Cardinal: 1640774379 can be written as One billion, six hundred forty million, seven hundred seventy-four thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 1.640774379 × 10⁹

Factors of 1640774379

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 546924796

Divisors of 1640774379

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 546924793 1640774379
• Sum of all divisors σ(n): 2187699176
• Sum of proper divisors (its aliquot sum) s(n): 546924797
• 1640774379 is a deficient number, because the sum of its proper divisors (546924797) is less than itself. Its deficiency is 1093849582

Bases of 1640774379

• Binary: 1100001110011000011101011101011₂
• Hexadecimal: 0x61CC3AEB
• Base-36: R4VHM3

Squares and roots of 1640774379

• 1640774379 squared (1640774379²) is 2692140562782835641
• 1640774379 cubed (1640774379³) is 4417195260080717660720841939
• The square root of 1640774379 is 40506.4732974867
• The cube root of 1640774379 is 1179.4592895183

Scales and comparisons

• 1,640,774,379 seconds is equal to 52 years, 8 weeks, 6 days, 10 hours, 39 minutes, 39 seconds.
• To count from 1 to 1,640,774,379 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 1640774379 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640774379

• 1640774379 backwards is 9734770461
• The number of decimal digits it has is: 10
• The sum of 1640774379's digits is 48
• More coming soon!