396820871872

Names of 396820871872

• Cardinal: 396820871872 can be written as Three hundred ninety-six billion, eight hundred twenty million, eight hundred seventy-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.96820871872 × 10¹¹

Factors of 396820871872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 404263

Divisors of 396820871872

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 32 64 103 149 206 298 412 596 824 1192 1648 2384 3296 4768 6592 9536 15347 30694 61388 122776 245552 404009 491104 808018 982208 1616036 3232072 6464144 12928288 25856576 41612927 60197341 83225854 120394682 166451708 240789364 332903416 481578728 665806832 963157456 1331613664 1926314912 2663227328 3852629824 6200326123 12400652246 24801304492 49602608984 99205217968 198410435936 396820871872
• Sum of all divisors σ(n): 800424612000
• Sum of proper divisors (its aliquot sum) s(n): 403603740128
• 396820871872 is an abundant number, because the sum of its proper divisors (403603740128) is greater than itself. Its abundance is 6782868256

Bases of 396820871872

• Binary: 101110001100100010111011111101011000000₂
• Hexadecimal: 0x5C645DFAC0
• Base-36: 52AOWGCG

Squares and roots of 396820871872

• 396820871872 squared (396820871872²) is 157466804353254240784384
• 396820871872 cubed (396820871872³) is 62486114594355992908540680042446848
• The square root of 396820871872 is 629937.1967680587
• The cube root of 396820871872 is 7348.4910402669

Scales and comparisons

• 396,820,871,872 seconds is equal to 12,617 years, 35 weeks, 1 day, 3 hours, 57 minutes, 52 seconds.
• To count from 1 to 396,820,871,872 would take you about twenty-five thousand, two hundred thirty-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 396820871872 cubic inches would be around 612.4 feet tall.

Recreational maths with 396820871872

• 396820871872 backwards is 278178028693
• The number of decimal digits it has is: 12
• The sum of 396820871872's digits is 61
• More coming soon!