420808136

Names of 420808136

• Cardinal: 420808136 can be written as Four hundred twenty million, eight hundred eight thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 4.20808136 × 10⁸

Factors of 420808136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1350

Divisors of 420808136

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 28 31 56 62 124 217 223 248 434 446 868 892 1087 1561 1736 1784 2174 3122 4348 6244 6913 7609 8696 12488 13826 15218 27652 30436 33697 48391 55304 60872 67394 96782 134788 193564 235879 242401 269576 387128 471758 484802 943516 969604 1696807 1887032 1939208 3393614 6787228 7514431 13574456 15028862 30057724 52601017 60115448 105202034 210404068 420808136
• Sum of all divisors σ(n): 935854080
• Sum of proper divisors (its aliquot sum) s(n): 515045944
• 420808136 is an abundant number, because the sum of its proper divisors (515045944) is greater than itself. Its abundance is 94237808

Bases of 420808136

• Binary: 11001000101010000010111001000₂
• Hexadecimal: 0x191505C8
• Base-36: 6YJDMW

Squares and roots of 420808136

• 420808136 squared (420808136²) is 177079487323794496
• 420808136 cubed (420808136³) is 74516488984561590308819456
• The square root of 420808136 is 20513.6085562731
• The cube root of 420808136 is 749.3672506173

Scales and comparisons

• 420,808,136 seconds is equal to 13 years, 19 weeks, 5 days, 11 hours, 8 minutes, 56 seconds.
• To count from 1 to 420,808,136 would take you about 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 420808136 cubic inches would be around 62.4 feet tall.

Recreational maths with 420808136

• 420808136 backwards is 631808024
• The number of decimal digits it has is: 9
• The sum of 420808136's digits is 32
• More coming soon!