820665132

Names of 820665132

• Cardinal: 820665132 can be written as Eight hundred twenty million, six hundred sixty-five thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 8.20665132 × 10⁸

Factors of 820665132

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3762

Divisors of 820665132

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 419 588 838 1257 1676 2514 2933 3331 5028 5866 6662 8799 9993 11732 13324 17598 19986 20531 23317 35196 39972 41062 46634 61593 69951 82124 93268 123186 139902 163219 246372 279804 326438 489657 652876 979314 1395689 1958628 2791378 4187067 5582756 8374134 9769823 16748268 19539646 29309469 39079292 58618938 68388761 117237876 136777522 205166283 273555044 410332566 820665132
• Sum of all divisors σ(n): 2233506240
• Sum of proper divisors (its aliquot sum) s(n): 1412841108
• 820665132 is an abundant number, because the sum of its proper divisors (1412841108) is greater than itself. Its abundance is 592175976

Bases of 820665132

• Binary: 110000111010100101101100101100₂
• Hexadecimal: 0x30EA5B2C
• Base-36: DKLP9O

Squares and roots of 820665132

• 820665132 squared (820665132²) is 673491258880577424
• 820665132 cubed (820665132³) is 552710792870075243903179968
• The square root of 820665132 is 28647.2534809185
• The cube root of 820665132 is 936.2431658743

Scales and comparisons

• 820,665,132 seconds is equal to 26 years, 4 weeks, 6 days, 10 hours, 32 minutes, 12 seconds.
• To count from 1 to 820,665,132 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 820665132 cubic inches would be around 78 feet tall.

Recreational maths with 820665132

• 820665132 backwards is 231566028
• The number of decimal digits it has is: 9
• The sum of 820665132's digits is 33
• More coming soon!