397840478061

Names of 397840478061

• Cardinal: 397840478061 can be written as Three hundred ninety-seven billion, eight hundred forty million, four hundred seventy-eight thousand and sixty-one.

Scientific notation

• Scientific notation: 3.97840478061 × 10¹¹

Factors of 397840478061

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1993

Divisors of 397840478061

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 13 37 39 67 111 169 201 481 507 871 1443 1873 2197 2479 2613 5619 6253 6591 7437 11323 18759 24349 28561 32227 33969 69301 73047 81289 85683 96681 125491 147199 207903 243867 316537 376473 418951 441597 900913 949611 1056757 1256853 1631383 1913587 2702739 3170271 4114981 4643167 4894149 5446363 5740761 11711869 12344943 13929501 16339089 21207979 35135607 53494753 60361171 63623937 70802719 152254297 160484259 181083513 212408157 275703727 456762891 784695223 827111181 1979305861 2354085669 3584148451 5937917583 10201037899 10752445353 30603113697 132613492687 397840478061
• Sum of all divisors σ(n): 599316773824
• Sum of proper divisors (its aliquot sum) s(n): 201476295763
• 397840478061 is a deficient number, because the sum of its proper divisors (201476295763) is less than itself. Its deficiency is 196364182298

Bases of 397840478061

• Binary: 101110010100001001000111110111101101101₂
• Hexadecimal: 0x5CA123EF6D
• Base-36: 52RJY5IL

Squares and roots of 397840478061

• 397840478061 squared (397840478061²) is 158277045983805022319721
• 397840478061 cubed (397840478061³) is 62969015640279870143490577828140981
• The square root of 397840478061 is 630745.9695162547
• The cube root of 397840478061 is 7354.7794854185

Scales and comparisons

• 397,840,478,061 seconds is equal to 12,650 years, 5 weeks, 3 hours, 54 minutes, 21 seconds.
• To count from 1 to 397,840,478,061 would take you about twenty-five thousand, three hundred 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 397840478061 cubic inches would be around 612.9 feet tall.

Recreational maths with 397840478061

• 397840478061 backwards is 160874048793
• The number of decimal digits it has is: 12
• The sum of 397840478061's digits is 57
• More coming soon!