820028274

Names of 820028274

• Cardinal: 820028274 can be written as Eight hundred twenty million, twenty-eight thousand, two hundred seventy-four.

Scientific notation

• Scientific notation: 8.20028274 × 10⁸

Factors of 820028274

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 148162

Divisors of 820028274

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 13 26 39 71 78 142 213 426 923 1846 2769 5538 148073 296146 444219 888438 1924949 3849898 5774847 10513183 11549694 21026366 31539549 63079098 136671379 273342758 410014137 820028274
• Sum of all divisors σ(n): 1791103104
• Sum of proper divisors (its aliquot sum) s(n): 971074830
• 820028274 is an abundant number, because the sum of its proper divisors (971074830) is greater than itself. Its abundance is 151046556

Bases of 820028274

• Binary: 110000111000001010001101110010₂
• Hexadecimal: 0x30E0A372
• Base-36: DK81V6

Squares and roots of 820028274

• 820028274 squared (820028274²) is 672446370159419076
• 820028274 cubed (820028274³) is 551425036279393529734954824
• The square root of 820028274 is 28636.1358077517
• The cube root of 820028274 is 936.0009199895

Scales and comparisons

• 820,028,274 seconds is equal to 26 years, 3 weeks, 6 days, 1 hour, 37 minutes, 54 seconds.
• To count from 1 to 820,028,274 would take you about thirty-nine 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 820028274 cubic inches would be around 78 feet tall.

Recreational maths with 820028274

• 820028274 backwards is 472820028
• The number of decimal digits it has is: 9
• The sum of 820028274's digits is 33
• More coming soon!