538985142

Names of 538985142

• Cardinal: 538985142 can be written as Five hundred thirty-eight million, nine hundred eighty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 5.38985142 × 10⁸

Factors of 538985142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13370

Divisors of 538985142

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 37 61 74 111 122 183 222 333 366 549 666 1098 2257 4514 6771 13267 13542 20313 26534 39801 40626 79602 119403 238806 490879 809287 981758 1472637 1618574 2427861 2945274 4417911 4855722 7283583 8835822 14567166 29943619 59887238 89830857 179661714 269492571 538985142
• Sum of all divisors σ(n): 1219116912
• Sum of proper divisors (its aliquot sum) s(n): 680131770
• 538985142 is an abundant number, because the sum of its proper divisors (680131770) is greater than itself. Its abundance is 141146628

Bases of 538985142

• Binary: 100000001000000100001010110110₂
• Hexadecimal: 0x202042B6
• Base-36: 8WWBLI

Squares and roots of 538985142

• 538985142 squared (538985142²) is 290504983296760164
• 538985142 cubed (538985142³) is 156577869673911905133483288
• The square root of 538985142 is 23216.0535405999
• The cube root of 538985142 is 813.8148264667

Scales and comparisons

• 538,985,142 seconds is equal to 17 years, 7 weeks, 1 day, 6 hours, 5 minutes, 42 seconds.
• To count from 1 to 538,985,142 would take you about twenty-five 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 538985142 cubic inches would be around 67.8 feet tall.

Recreational maths with 538985142

• 538985142 backwards is 241589835
• The number of decimal digits it has is: 9
• The sum of 538985142's digits is 45
• More coming soon!