8420426469

Names of 8420426469

• Cardinal: 8420426469 can be written as Eight billion, four hundred twenty million, four hundred twenty-six thousand, four hundred sixty-nine.

Scientific notation

• Scientific notation: 8.420426469 × 10⁹

Factors of 8420426469

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 51241

Divisors of 8420426469

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 67 91 117 189 201 273 351 469 603 819 871 1407 1809 2457 2613 4221 6097 7839 12663 18291 23517 51151 54873 153453 164619 358057 460359 664963 1074171 1381077 1994889 3222513 3427117 4654741 5984667 9667539 10281351 13964223 17954001 23989819 30844053 41892669 44552521 71969457 92532159 125678007 133657563 215908371 311867647 400972689 647725113 935602941 1202918067 2806808823 8420426469
• Sum of all divisors σ(n): 15582945280
• Sum of proper divisors (its aliquot sum) s(n): 7162518811
• 8420426469 is a deficient number, because the sum of its proper divisors (7162518811) is less than itself. Its deficiency is 1257907658

Bases of 8420426469

• Binary: 111110101111001011000001011100101₂
• Hexadecimal: 0x1F5E582E5
• Base-36: 3V9AYN9

Squares and roots of 8420426469

• 8420426469 squared (8420426469²) is 70903581919835807961
• 8420426469 cubed (8420426469³) is 597038397944695273488805319709
• The square root of 8420426469 is 91762.8817605463
• The cube root of 8420426469 is 2034.4391090843

Scales and comparisons

• 8,420,426,469 seconds is equal to 267 years, 38 weeks, 4 days, 15 hours, 21 minutes, 9 seconds.
• To count from 1 to 8,420,426,469 would take you about five 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 8420426469 cubic inches would be around 169.5 feet tall.

Recreational maths with 8420426469

• 8420426469 backwards is 9646240248
• The number of decimal digits it has is: 10
• The sum of 8420426469's digits is 45
• More coming soon!