397638242824987631710

Names of 397638242824987631710

• Cardinal: 397638242824987631710 can be written as Three hundred ninety-seven quintillion, six hundred thirty-eight quadrillion, two hundred forty-two trillion, eight hundred twenty-four billion, nine hundred eighty-seven million, six hundred thirty-one thousand, seven hundred ten.

Scientific notation

• Scientific notation: 3.9763824282498763171 × 10²⁰

Factors of 397638242824987631710

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5982941616867

Divisors of 397638242824987631710

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 6646207 13292414 33231035 66462070 5982934970653 11965869941306 29914674853265 59829349706530 39763824282498763171 79527648564997526342 198819121412493815855 397638242824987631710
• Sum of all divisors σ(n): 715748944777926840576
• Sum of proper divisors (its aliquot sum) s(n): 318110701952939208866
• 397638242824987631710 is a deficient number, because the sum of its proper divisors (318110701952939208866) is less than itself. Its deficiency is 79527540872048422844

Bases of 397638242824987631710

• Binary: 101011000111001010110110100110001001001010101111010000110000001011110₂
• Hexadecimal: 0x158E56D31255E8605E
• Base-36: 2BX2HD036JR8TA

Squares and roots of 397638242824987631710

• 397638242824987631710 squared (397638242824987631710²) is 158116172156943827770420300114474597524100
• 397638242824987631710 cubed (397638242824987631710³) is 62873036858700378170188438642453250695888516734562688649211000
• The square root of 397638242824987631710 is 19940868657.7337355399
• The cube root of 397638242824987631710 is 7353533.0497667337

Scales and comparisons

• 397,638,242,824,987,631,710 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 397,638,242,824,987,631,710 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 397638242824987631710 cubic inches would be around 612794.4 feet tall.

Recreational maths with 397638242824987631710

• 397638242824987631710 backwards is 017136789428242836793
• The number of decimal digits it has is: 21
• The sum of 397638242824987631710's digits is 100
• More coming soon!