42297390

Names of 42297390

• Cardinal: 42297390 can be written as Forty-two million, two hundred ninety-seven thousand, three hundred ninety.

Scientific notation

• Scientific notation: 4.229739 × 10⁷

Factors of 42297390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 750

Divisors of 42297390

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 79 81 90 135 158 162 237 270 395 405 474 661 711 790 810 1185 1322 1422 1983 2133 2370 3305 3555 3966 4266 5949 6399 6610 7110 9915 10665 11898 12798 17847 19830 21330 29745 31995 35694 52219 53541 59490 63990 89235 104438 107082 156657 178470 261095 267705 313314 469971 522190 535410 783285 939942 1409913 1566570 2349855 2819826 4229739 4699710 7049565 8459478 14099130 21148695 42297390
• Sum of all divisors σ(n): 115346880
• Sum of proper divisors (its aliquot sum) s(n): 73049490
• 42297390 is an abundant number, because the sum of its proper divisors (73049490) is greater than itself. Its abundance is 30752100

Bases of 42297390

• Binary: 10100001010110100000101110₂
• Hexadecimal: 0x285682E
• Base-36: P6KVI

Squares and roots of 42297390

• 42297390 squared (42297390²) is 1789069200812100
• 42297390 cubed (42297390³) is 75672957723737710419000
• The square root of 42297390 is 6503.6443629707
• The cube root of 42297390 is 348.4211607225

Scales and comparisons

• 42,297,390 seconds is equal to 1 year, 17 weeks, 6 days, 13 hours, 16 minutes, 30 seconds.
• To count from 1 to 42,297,390 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 42297390 cubic inches would be around 29 feet tall.

Recreational maths with 42297390

• 42297390 backwards is 09379224
• The number of decimal digits it has is: 8
• The sum of 42297390's digits is 36
• More coming soon!