28229838

Names of 28229838

• Cardinal: 28229838 can be written as Twenty-eight million, two hundred twenty-nine thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 2.8229838 × 10⁷

Factors of 28229838

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 521

Divisors of 28229838

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 78 91 149 182 273 298 347 447 546 694 894 1041 1043 1937 2082 2086 2429 3129 3874 4511 4858 5811 6258 7287 9022 11622 13533 13559 14574 27066 27118 31577 40677 51703 63154 81354 94731 103406 155109 189462 310218 361921 672139 723842 1085763 1344278 2016417 2171526 4032834 4704973 9409946 14114919 28229838
• Sum of all divisors σ(n): 70156800
• Sum of proper divisors (its aliquot sum) s(n): 41926962
• 28229838 is an abundant number, because the sum of its proper divisors (41926962) is greater than itself. Its abundance is 13697124

Bases of 28229838

• Binary: 1101011101100000011001110₂
• Hexadecimal: 0x1AEC0CE
• Base-36: GT2A6

Squares and roots of 28229838

• 28229838 squared (28229838²) is 796923753506244
• 28229838 cubed (28229838³) is 22497028459833200108472
• The square root of 28229838 is 5313.1758864169
• The cube root of 28229838 is 304.4874954757

Scales and comparisons

• 28,229,838 seconds is equal to 46 weeks, 4 days, 17 hours, 37 minutes, 18 seconds.
• To count from 1 to 28,229,838 would take you about eighteen weeks!

  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 28229838 cubic inches would be around 25.4 feet tall.

Recreational maths with 28229838

• 28229838 backwards is 83892282
• 28229838 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28229838's digits is 42
• More coming soon!