42189966

Names of 42189966

• Cardinal: 42189966 can be written as Forty-two million, one hundred eighty-nine thousand, nine hundred sixty-six.

Scientific notation

• Scientific notation: 4.2189966 × 10⁷

Factors of 42189966

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 667

Divisors of 42189966

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 43 63 78 86 91 117 126 129 182 234 258 273 301 387 546 559 599 602 774 819 903 1118 1198 1638 1677 1797 1806 2709 3354 3594 3913 4193 5031 5391 5418 7787 7826 8386 10062 10782 11739 12579 15574 23361 23478 25158 25757 35217 37737 46722 51514 54509 70083 70434 75474 77271 109018 140166 154542 163527 180299 231813 327054 334841 360598 463626 490581 540897 669682 981162 1004523 1081794 1622691 2009046 2343887 3013569 3245382 4687774 6027138 7031661 14063322 21094983 42189966
• Sum of all divisors σ(n): 115315200
• Sum of proper divisors (its aliquot sum) s(n): 73125234
• 42189966 is an abundant number, because the sum of its proper divisors (73125234) is greater than itself. Its abundance is 30935268

Bases of 42189966

• Binary: 10100000111100010010001110₂
• Hexadecimal: 0x283C48E
• Base-36: P49ZI

Squares and roots of 42189966

• 42189966 squared (42189966²) is 1779993231081156
• 42189966 cubed (42189966³) is 75097853899544114880696
• The square root of 42189966 is 6495.3803583777
• The cube root of 42189966 is 348.1259452973

Scales and comparisons

• 42,189,966 seconds is equal to 1 year, 17 weeks, 5 days, 7 hours, 26 minutes, 6 seconds.
• To count from 1 to 42,189,966 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 42189966 cubic inches would be around 29 feet tall.

Recreational maths with 42189966

• 42189966 backwards is 66998124
• The number of decimal digits it has is: 8
• The sum of 42189966's digits is 45
• More coming soon!