42287245

Names of 42287245

• Cardinal: 42287245 can be written as Forty-two million, two hundred eighty-seven thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 4.2287245 × 10⁷

Factors of 42287245

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 124

Divisors of 42287245

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 11 13 17 35 49 55 65 71 77 85 91 119 143 187 221 245 355 385 455 497 539 595 637 715 781 833 923 935 1001 1105 1207 1309 1547 2431 2485 2695 3185 3479 3905 4165 4615 5005 5467 6035 6461 6545 7007 7735 8449 9163 10153 10829 12155 13277 15691 17017 17395 27335 32305 35035 38269 42245 45227 45815 50765 54145 59143 66385 71071 78455 85085 92939 109837 119119 172601 191345 226135 295715 355355 464695 497497 549185 595595 650573 768859 863005 1208207 2487485 3252865 3844295 6041035 8457449 42287245
• Sum of all divisors σ(n): 74462976
• Sum of proper divisors (its aliquot sum) s(n): 32175731
• 42287245 is a deficient number, because the sum of its proper divisors (32175731) is less than itself. Its deficiency is 10111514

Bases of 42287245

• Binary: 10100001010100000010001101₂
• Hexadecimal: 0x285408D
• Base-36: P6D1P

Squares and roots of 42287245

• 42287245 squared (42287245²) is 1788211089690025
• 42287245 cubed (42287245³) is 75618520461439061231125
• The square root of 42287245 is 6502.8643688761
• The cube root of 42287245 is 348.3933023029

Scales and comparisons

• 42,287,245 seconds is equal to 1 year, 17 weeks, 6 days, 10 hours, 27 minutes, 25 seconds.
• To count from 1 to 42,287,245 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 42287245 cubic inches would be around 29 feet tall.

Recreational maths with 42287245

• 42287245 backwards is 54278224
• The number of decimal digits it has is: 8
• The sum of 42287245's digits is 34
• More coming soon!