42844221

Names of 42844221

• Cardinal: 42844221 can be written as Forty-two million, eight hundred forty-four thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.2844221 × 10⁷

Factors of 42844221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 167

Divisors of 42844221

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 19 21 27 41 57 63 81 97 123 133 171 189 287 291 369 399 513 567 679 779 861 873 1107 1197 1539 1843 2037 2337 2583 2619 3321 3591 3977 5453 5529 6111 7011 7749 7857 10773 11931 12901 16359 16587 18333 21033 23247 27839 35793 38703 49077 49761 54999 63099 75563 83517 107379 116109 147231 149283 226689 250551 322137 348327 441693 528941 680067 751653 1044981 1586823 2040201 2254959 4760469 6120603 14281407 42844221
• Sum of all divisors σ(n): 79685760
• Sum of proper divisors (its aliquot sum) s(n): 36841539
• 42844221 is a deficient number, because the sum of its proper divisors (36841539) is less than itself. Its deficiency is 6002682

Bases of 42844221

• Binary: 10100011011100000000111101₂
• Hexadecimal: 0x28DC03D
• Base-36: PIAT9

Squares and roots of 42844221

• 42844221 squared (42844221²) is 1835627273096841
• 42844221 cubed (42844221³) is 78646020562188410205861
• The square root of 42844221 is 6545.5497095355
• The cube root of 42844221 is 349.9162275697

Scales and comparisons

• 42,844,221 seconds is equal to 1 year, 18 weeks, 5 days, 21 hours, 10 minutes, 21 seconds.
• To count from 1 to 42,844,221 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 42844221 cubic inches would be around 29.2 feet tall.

Recreational maths with 42844221

• 42844221 backwards is 12244824
• 42844221 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42844221's digits is 27
• More coming soon!