820342875

Names of 820342875

• Cardinal: 820342875 can be written as Eight hundred twenty million, three hundred forty-two thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 8.20342875 × 10⁸

Factors of 820342875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2891

Divisors of 820342875

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 11 15 25 33 55 71 75 125 165 213 275 355 375 781 825 1065 1375 1775 2343 2801 3905 4125 5325 8403 8875 11715 14005 19525 26625 30811 42015 58575 70025 92433 97625 154055 198871 210075 292875 350125 462165 596613 770275 994355 1050375 2187581 2310825 2983065 3851375 4971775 6562743 10937905 11554125 14915325 24858875 32813715 54689525 74576625 164068575 273447625 820342875
• Sum of all divisors σ(n): 1510659072
• Sum of proper divisors (its aliquot sum) s(n): 690316197
• 820342875 is a deficient number, because the sum of its proper divisors (690316197) is less than itself. Its deficiency is 130026678

Bases of 820342875

• Binary: 110000111001010111000001011011₂
• Hexadecimal: 0x30E5705B
• Base-36: DKESM3

Squares and roots of 820342875

• 820342875 squared (820342875²) is 672962432563265625
• 820342875 cubed (820342875³) is 552059936695942942201171875
• The square root of 820342875 is 28641.6283580387
• The cube root of 820342875 is 936.1206025201

Scales and comparisons

• 820,342,875 seconds is equal to 26 years, 4 weeks, 2 days, 17 hours, 1 minute, 15 seconds.
• To count from 1 to 820,342,875 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 820342875 cubic inches would be around 78 feet tall.

Recreational maths with 820342875

• 820342875 backwards is 578243028
• The number of decimal digits it has is: 9
• The sum of 820342875's digits is 39
• More coming soon!