42249438

Names of 42249438

• Cardinal: 42249438 can be written as Forty-two million, two hundred forty-nine thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 4.2249438 × 10⁷

Factors of 42249438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1152

Divisors of 42249438

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 63 66 77 81 99 126 154 162 189 198 231 243 297 378 462 486 567 594 693 891 1129 1134 1386 1701 1782 2079 2258 2673 3387 3402 4158 5346 6237 6774 7903 10161 12419 12474 15806 18711 20322 23709 24838 30483 37257 37422 47418 60966 71127 74514 86933 91449 111771 142254 173866 182898 213381 223542 260799 274347 335313 426762 521598 548694 640143 670626 782397 1005939 1280286 1564794 1920429 2011878 2347191 3017817 3840858 4694382 6035634 7041573 14083146 21124719 42249438
• Sum of all divisors σ(n): 118460160
• Sum of proper divisors (its aliquot sum) s(n): 76210722
• 42249438 is an abundant number, because the sum of its proper divisors (76210722) is greater than itself. Its abundance is 33961284

Bases of 42249438

• Binary: 10100001001010110011011110₂
• Hexadecimal: 0x284ACDE
• Base-36: P5JVI

Squares and roots of 42249438

• 42249438 squared (42249438²) is 1785015011315844
• 42249438 cubed (42249438³) is 75415881049658049495672
• The square root of 42249438 is 6499.9567690871
• The cube root of 42249438 is 348.2894440911

Scales and comparisons

• 42,249,438 seconds is equal to 1 year, 17 weeks, 5 days, 23 hours, 57 minutes, 18 seconds.
• To count from 1 to 42,249,438 would take you about two 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 42249438 cubic inches would be around 29 feet tall.

Recreational maths with 42249438

• 42249438 backwards is 83494224
• The number of decimal digits it has is: 8
• The sum of 42249438's digits is 36
• More coming soon!