420168968388

Names of 420168968388

• Cardinal: 420168968388 can be written as Four hundred twenty billion, one hundred sixty-eight million, nine hundred sixty-eight thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 4.20168968388 × 10¹¹

Factors of 420168968388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 299265665

Divisors of 420168968388

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 351 468 702 1404 299265647 598531294 897796941 1197062588 1795593882 2693390823 3591187764 3890453411 5386781646 7780906822 8080172469 10773563292 11671360233 15561813644 16160344938 23342720466 32320689876 35014080699 46685440932 70028161398 105042242097 140056322796 210084484194 420168968388
• Sum of all divisors σ(n): 1173121340160
• Sum of proper divisors (its aliquot sum) s(n): 752952371772
• 420168968388 is an abundant number, because the sum of its proper divisors (752952371772) is greater than itself. Its abundance is 332783403384

Bases of 420168968388

• Binary: 110000111010100000001011010100011000100₂
• Hexadecimal: 0x61D405A8C4
• Base-36: 5D0TR6X0

Squares and roots of 420168968388

• 420168968388 squared (420168968388²) is 176541961996236143318544
• 420168968388 cubed (420168968388³) is 74177454049152041476992351350187072
• The square root of 420168968388 is 648204.4186736157
• The cube root of 420168968388 is 7489.8765245541

Scales and comparisons

• 420,168,968,388 seconds is equal to 13,360 years, 3 weeks, 5 days, 18 hours, 19 minutes, 48 seconds.
• To count from 1 to 420,168,968,388 would take you about twenty-six thousand, seven hundred twenty 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 420168968388 cubic inches would be around 624.2 feet tall.

Recreational maths with 420168968388

• 420168968388 backwards is 883869861024
• The number of decimal digits it has is: 12
• The sum of 420168968388's digits is 63
• More coming soon!