420636930

Names of 420636930

• Cardinal: 420636930 can be written as Four hundred twenty million, six hundred thirty-six thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 4.2063693 × 10⁸

Factors of 420636930

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2003050

Divisors of 420636930

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2003033 4006066 6009099 10015165 12018198 14021231 20030330 28042462 30045495 42063693 60090990 70106155 84127386 140212310 210318465 420636930
• Sum of all divisors σ(n): 1153747584
• Sum of proper divisors (its aliquot sum) s(n): 733110654
• 420636930 is an abundant number, because the sum of its proper divisors (733110654) is greater than itself. Its abundance is 312473724

Bases of 420636930

• Binary: 11001000100100110100100000010₂
• Hexadecimal: 0x19126902
• Base-36: 6YFPJ6

Squares and roots of 420636930

• 420636930 squared (420636930²) is 176935426879824900
• 420636930 cubed (420636930³) is 74425574770969024873557000
• The square root of 420636930 is 20509.4351458055
• The cube root of 420636930 is 749.2656100189

Scales and comparisons

• 420,636,930 seconds is equal to 13 years, 19 weeks, 3 days, 11 hours, 35 minutes, 30 seconds.
• To count from 1 to 420,636,930 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 420636930 cubic inches would be around 62.4 feet tall.

Recreational maths with 420636930

• 420636930 backwards is 039636024
• The number of decimal digits it has is: 9
• The sum of 420636930's digits is 33
• More coming soon!