21041374242

Names of 21041374242

• Cardinal: 21041374242 can be written as Twenty-one billion, forty-one million, three hundred seventy-four thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 2.1041374242 × 10¹⁰

Factors of 21041374242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 45114

Divisors of 21041374242

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 19801 25301 39602 50602 59403 75903 118806 138607 151806 177107 277214 354214 415821 531321 831642 1062642 500985101 1001970202 1502955303 3005910606 3506895707 7013791414 10520687121 21041374242
• Sum of all divisors σ(n): 48098899584
• Sum of proper divisors (its aliquot sum) s(n): 27057525342
• 21041374242 is an abundant number, because the sum of its proper divisors (27057525342) is greater than itself. Its abundance is 6016151100

Bases of 21041374242

• Binary: 10011100110001010011110010000100010₂
• Hexadecimal: 0x4E629E422
• Base-36: 9NZHO9U

Squares and roots of 21041374242

• 21041374242 squared (21041374242²) is 442739429991901074564
• 21041374242 cubed (21041374242³) is 9315846038149349538943070980488
• The square root of 21041374242 is 145056.4519144185
• The cube root of 21041374242 is 2760.7348670691

Scales and comparisons

• 21,041,374,242 seconds is equal to 669 years, 2 weeks, 4 days, 10 hours, 10 minutes, 42 seconds.
• To count from 1 to 21,041,374,242 would take you about one thousand, three hundred thirty-eight 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 21041374242 cubic inches would be around 230.1 feet tall.

Recreational maths with 21041374242

• 21041374242 backwards is 24247314012
• The number of decimal digits it has is: 11
• The sum of 21041374242's digits is 30
• More coming soon!