42859890

Names of 42859890

• Cardinal: 42859890 can be written as Forty-two million, eight hundred fifty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 4.285989 × 10⁷

Factors of 42859890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 393

Divisors of 42859890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 109 153 170 218 255 257 306 327 510 514 545 654 765 771 981 1090 1285 1530 1542 1635 1853 1962 2313 2570 3270 3706 3855 4369 4626 4905 5559 7710 8738 9265 9810 11118 11565 13107 16677 18530 21845 23130 26214 27795 28013 33354 39321 43690 55590 56026 65535 78642 83385 84039 131070 140065 166770 168078 196605 252117 280130 393210 420195 476221 504234 840390 952442 1260585 1428663 2381105 2521170 2857326 4285989 4762210 7143315 8571978 14286630 21429945 42859890
• Sum of all divisors σ(n): 119536560
• Sum of proper divisors (its aliquot sum) s(n): 76676670
• 42859890 is an abundant number, because the sum of its proper divisors (76676670) is greater than itself. Its abundance is 33816780

Bases of 42859890

• Binary: 10100011011111110101110010₂
• Hexadecimal: 0x28DFD72
• Base-36: PIMWI

Squares and roots of 42859890

• 42859890 squared (42859890²) is 1836970170812100
• 42859890 cubed (42859890³) is 78732339454287816669000
• The square root of 42859890 is 6546.7465202191
• The cube root of 42859890 is 349.9588795227

Scales and comparisons

• 42,859,890 seconds is equal to 1 year, 18 weeks, 6 days, 1 hour, 31 minutes, 30 seconds.
• To count from 1 to 42,859,890 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 42859890 cubic inches would be around 29.2 feet tall.

Recreational maths with 42859890

• 42859890 backwards is 09895824
• 42859890 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42859890's digits is 45
• More coming soon!