425720213991

Names of 425720213991

• Cardinal: 425720213991 can be written as Four hundred twenty-five billion, seven hundred twenty million, two hundred thirteen thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 4.25720213991 × 10¹¹

Factors of 425720213991

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2509

Divisors of 425720213991

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 9 27 29 81 87 243 261 783 841 2349 2477 2523 7047 7431 7569 22293 22707 24389 66879 68121 71833 73167 200637 204363 215499 219501 601911 646497 658503 707281 1939491 1975509 2083157 2121843 5818473 5926527 6249471 6365529 17455419 18748413 19096587 56245239 57289761 60411553 168735717 171869283 181234659 506207151 543703977 1631111931 1751935037 4893335793 5255805111 14680007379 15767415333 47302245999 141906737997 425720213991
• Sum of all divisors σ(n): 660746121672
• Sum of proper divisors (its aliquot sum) s(n): 235025907681
• 425720213991 is a deficient number, because the sum of its proper divisors (235025907681) is less than itself. Its deficiency is 190694306310

Bases of 425720213991

• Binary: 110001100011110111001101111000111100111₂
• Hexadecimal: 0x631EE6F1E7
• Base-36: 5FKMTNFR

Squares and roots of 425720213991

• 425720213991 squared (425720213991²) is 181237700600542832148081
• 425720213991 cubed (425720213991³) is 77156552682899883712842237520001271
• The square root of 425720213991 is 652472.3856156673
• The cube root of 425720213991 is 7522.7175720589

Scales and comparisons

• 425,720,213,991 seconds is equal to 13,536 years, 30 weeks, 3 days, 6 hours, 59 minutes, 51 seconds.
• To count from 1 to 425,720,213,991 would take you about twenty-seven thousand and seventy-three 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 425720213991 cubic inches would be around 626.9 feet tall.

Recreational maths with 425720213991

• 425720213991 backwards is 199312027524
• The number of decimal digits it has is: 12
• The sum of 425720213991's digits is 45
• More coming soon!