397978734375

Names of 397978734375

• Cardinal: 397978734375 can be written as Three hundred ninety-seven billion, nine hundred seventy-eight million, seven hundred thirty-four thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 3.97978734375 × 10¹¹

Factors of 397978734375

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 943365

Divisors of 397978734375

• Number of divisors d(n): 56
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 125 135 225 375 625 675 1125 1875 3125 3375 5625 9375 15625 16875 28125 46875 84375 140625 421875 943357 2830071 4716785 8490213 14150355 23583925 25470639 42451065 70751775 117919625 127353195 212255325 353758875 589598125 636765975 1061276625 1768794375 2947990625 3183829875 5306383125 8843971875 14739953125 15919149375 26531915625 44219859375 79595746875 132659578125 397978734375
• Sum of all divisors σ(n): 736989003920
• Sum of proper divisors (its aliquot sum) s(n): 339010269545
• 397978734375 is a deficient number, because the sum of its proper divisors (339010269545) is less than itself. Its deficiency is 58968464830

Bases of 397978734375

• Binary: 101110010101001011000011000111100100111₂
• Hexadecimal: 0x5CA9618F27
• Base-36: 52TU9GRR

Squares and roots of 397978734375

• 397978734375 squared (397978734375²) is 158387073014726806640625
• 397978734375 cubed (397978734375³) is 63034686859761690243221282958984375
• The square root of 397978734375 is 630855.5574574897
• The cube root of 397978734375 is 7355.6313569521

Scales and comparisons

• 397,978,734,375 seconds is equal to 12,654 years, 25 weeks, 4 days, 8 hours, 26 minutes, 15 seconds.
• To count from 1 to 397,978,734,375 would take you about twenty-five thousand, three hundred eight 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 397978734375 cubic inches would be around 613 feet tall.

Recreational maths with 397978734375

• 397978734375 backwards is 573437879793
• The number of decimal digits it has is: 12
• The sum of 397978734375's digits is 72
• More coming soon!