396997456640

Names of 396997456640

• Cardinal: 396997456640 can be written as Three hundred ninety-six billion, nine hundred ninety-seven million, four hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.9699745664 × 10¹¹

Factors of 396997456640

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 310154270

Divisors of 396997456640

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 310154263 620308526 1240617052 1550771315 2481234104 3101542630 4962468208 6203085260 9924936416 12406170520 19849872832 24812341040 39699745664 49624682080 79399491328 99249364160 198498728320 396997456640
• Sum of all divisors σ(n): 950932973424
• Sum of proper divisors (its aliquot sum) s(n): 553935516784
• 396997456640 is an abundant number, because the sum of its proper divisors (553935516784) is greater than itself. Its abundance is 156938060144

Bases of 396997456640

• Binary: 101110001101110111001000111001100000000₂
• Hexadecimal: 0x5C6EE47300
• Base-36: 52DM1A0W

Squares and roots of 396997456640

• 396997456640 squared (396997456640²) is 157606980578628680089600
• 396997456640 cubed (396997456640³) is 62569570438425461534531407314944000
• The square root of 396997456640 is 630077.3417922597
• The cube root of 396997456640 is 7349.5809015819

Scales and comparisons

• 396,997,456,640 seconds is equal to 12,623 years, 15 weeks, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 396,997,456,640 would take you about twenty-five thousand, two hundred forty-six 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 396997456640 cubic inches would be around 612.5 feet tall.

Recreational maths with 396997456640

• 396997456640 backwards is 046654799693
• The number of decimal digits it has is: 12
• The sum of 396997456640's digits is 68
• More coming soon!