402194087420

Names of 402194087420

• Cardinal: 402194087420 can be written as Four hundred two billion, one hundred ninety-four million, eighty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 4.0219408742 × 10¹¹

Factors of 402194087420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 20925849

Divisors of 402194087420

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 5 10 20 31 62 124 155 310 620 961 1922 3844 4805 9610 19220 20925811 41851622 83703244 104629055 209258110 418516220 648700141 1297400282 2594800564 3243500705 6487001410 12974002820 20109704371 40219408742 80438817484 100548521855 201097043710 402194087420
• Sum of all divisors σ(n): 872731915272
• Sum of proper divisors (its aliquot sum) s(n): 470537827852
• 402194087420 is an abundant number, because the sum of its proper divisors (470537827852) is greater than itself. Its abundance is 68343740432

Bases of 402194087420

• Binary: 101110110100100101000101011110111111100₂
• Hexadecimal: 0x5DA4A2BDFC
• Base-36: 54RJZ3ZW

Squares and roots of 402194087420

• 402194087420 squared (402194087420²) is 161760083955606602256400
• 402194087420 cubed (402194087420³) is 65058949347507781187039710854488000
• The square root of 402194087420 is 634187.7383078295
• The cube root of 402194087420 is 7381.5102520685

Scales and comparisons

• 402,194,087,420 seconds is equal to 12,788 years, 27 weeks, 3 days, 3 hours, 50 minutes, 20 seconds.
• To count from 1 to 402,194,087,420 would take you about twenty-five thousand, five hundred seventy-seven 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 402194087420 cubic inches would be around 615.1 feet tall.

Recreational maths with 402194087420

• 402194087420 backwards is 024780491204
• The number of decimal digits it has is: 12
• The sum of 402194087420's digits is 41
• More coming soon!