420816630

Names of 420816630

• Cardinal: 420816630 can be written as Four hundred twenty million, eight hundred sixteen thousand, six hundred thirty.

Scientific notation

• Scientific notation: 4.2081663 × 10⁸

Factors of 420816630

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 34861

Divisors of 420816630

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 34807 69614 104421 174035 208842 348070 452491 522105 904982 1044210 1079017 1357473 2158034 2262455 2714946 3237051 4524910 5395085 6474102 6787365 10790170 13574730 14027221 16185255 28054442 32370510 42081663 70136105 84163326 140272210 210408315 420816630
• Sum of all divisors σ(n): 1122766848
• Sum of proper divisors (its aliquot sum) s(n): 701950218
• 420816630 is an abundant number, because the sum of its proper divisors (701950218) is greater than itself. Its abundance is 281133588

Bases of 420816630

• Binary: 11001000101010010011011110110₂
• Hexadecimal: 0x191526F6
• Base-36: 6YJK6U

Squares and roots of 420816630

• 420816630 squared (420816630²) is 177086636084556900
• 420816630 cubed (420816630³) is 74521001415139629701247000
• The square root of 420816630 is 20513.8155885247
• The cube root of 420816630 is 749.3722925689

Scales and comparisons

• 420,816,630 seconds is equal to 13 years, 19 weeks, 5 days, 13 hours, 30 minutes, 30 seconds.
• To count from 1 to 420,816,630 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 420816630 cubic inches would be around 62.4 feet tall.

Recreational maths with 420816630

• 420816630 backwards is 036618024
• 420816630 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 420816630's digits is 30
• More coming soon!