42881982

Names of 42881982

• Cardinal: 42881982 can be written as Forty-two million, eight hundred eighty-one thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 4.2881982 × 10⁷

Factors of 42881982

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 146

Divisors of 42881982

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 13 22 23 26 33 39 41 46 53 66 69 78 82 106 123 138 143 159 246 253 286 299 318 429 451 506 533 583 598 689 759 858 897 902 943 1066 1166 1219 1353 1378 1518 1599 1749 1794 1886 2067 2173 2438 2706 2829 3198 3289 3498 3657 4134 4346 5658 5863 6519 6578 7314 7579 9867 10373 11726 12259 13038 13409 15158 15847 17589 19734 20746 22737 23903 24518 26818 28249 31119 31694 35178 36777 40227 45474 47541 47806 49979 56498 62238 71709 73554 80454 84747 95082 99958 134849 143418 149937 169494 174317 269698 299874 310739 348634 404547 522951 549769 621478 649727 809094 932217 1045902 1099538 1299454 1649307 1864434 1949181 3298614 3898362 7146997 14293994 21440991 42881982
• Sum of all divisors σ(n): 109734912
• Sum of proper divisors (its aliquot sum) s(n): 66852930
• 42881982 is an abundant number, because the sum of its proper divisors (66852930) is greater than itself. Its abundance is 23970948

Bases of 42881982

• Binary: 10100011100101001110111110₂
• Hexadecimal: 0x28E53BE
• Base-36: PJ3Y6

Squares and roots of 42881982

• 42881982 squared (42881982²) is 1838864380248324
• 42881982 cubed (42881982³) is 78854149254249785298168
• The square root of 42881982 is 6548.4335531485
• The cube root of 42881982 is 350.0189976083

Scales and comparisons

• 42,881,982 seconds is equal to 1 year, 18 weeks, 6 days, 7 hours, 39 minutes, 42 seconds.
• To count from 1 to 42,881,982 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 42881982 cubic inches would be around 29.2 feet tall.

Recreational maths with 42881982

• 42881982 backwards is 28918824
• The number of decimal digits it has is: 8
• The sum of 42881982's digits is 42
• More coming soon!