428422987378

Names of 428422987378

• Cardinal: 428422987378 can be written as Four hundred twenty-eight billion, four hundred twenty-two million, nine hundred eighty-seven thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 4.28422987378 × 10¹¹

Factors of 428422987378

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 64080968

Divisors of 428422987378

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3343 6686 64077623 128155246 214211493689 428422987378
• Sum of all divisors σ(n): 642826723968
• Sum of proper divisors (its aliquot sum) s(n): 214403736590
• 428422987378 is a deficient number, because the sum of its proper divisors (214403736590) is less than itself. Its deficiency is 214019250788

Bases of 428422987378

• Binary: 110001110111111111111111111111001110010₂
• Hexadecimal: 0x63BFFFFE72
• Base-36: 5GTBZGQA

Squares and roots of 428422987378

• 428422987378 squared (428422987378²) is 183546256113889947314884
• 428422987378 cubed (428422987378³) is 78635435366360228228965632923534152
• The square root of 428422987378 is 654540.2870549681
• The cube root of 428422987378 is 7538.6038463225

Scales and comparisons

• 428,422,987,378 seconds is equal to 13,622 years, 27 weeks, 2 days, 9 hours, 22 minutes, 58 seconds.
• To count from 1 to 428,422,987,378 would take you about twenty-seven thousand, two hundred forty-five 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 428422987378 cubic inches would be around 628.2 feet tall.

Recreational maths with 428422987378

• 428422987378 backwards is 873789224824
• The number of decimal digits it has is: 12
• The sum of 428422987378's digits is 64
• More coming soon!