42442218

Names of 42442218

• Cardinal: 42442218 can be written as Forty-two million, four hundred forty-two thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 4.2442218 × 10⁷

Factors of 42442218

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2904

Divisors of 42442218

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 81 91 117 126 162 182 189 234 273 351 378 546 567 702 819 1053 1134 1638 2106 2457 2879 4914 5758 7371 8637 14742 17274 20153 25911 37427 40306 51822 60459 74854 77733 112281 120918 155466 181377 224562 233199 261989 336843 362754 466398 523978 544131 673686 785967 1010529 1088262 1571934 1632393 2021058 2357901 3031587 3264786 4715802 6063174 7073703 14147406 21221109 42442218
• Sum of all divisors σ(n): 117089280
• Sum of proper divisors (its aliquot sum) s(n): 74647062
• 42442218 is an abundant number, because the sum of its proper divisors (74647062) is greater than itself. Its abundance is 32204844

Bases of 42442218

• Binary: 10100001111001110111101010₂
• Hexadecimal: 0x2879DEA
• Base-36: P9OMI

Squares and roots of 42442218

• 42442218 squared (42442218²) is 1801341868759524
• 42442218 cubed (42442218³) is 76452944286419107184232
• The square root of 42442218 is 6514.7692207783
• The cube root of 42442218 is 348.8183771583

Scales and comparisons

• 42,442,218 seconds is equal to 1 year, 18 weeks, 1 day, 5 hours, 30 minutes, 18 seconds.
• To count from 1 to 42,442,218 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 42442218 cubic inches would be around 29.1 feet tall.

Recreational maths with 42442218

• 42442218 backwards is 81224424
• 42442218 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42442218's digits is 27
• More coming soon!