7821438721082

Names of 7821438721082

• Cardinal: 7821438721082 can be written as Seven trillion, eight hundred twenty-one billion, four hundred thirty-eight million, seven hundred twenty-one thousand and eighty-two.

Scientific notation

• Scientific notation: 7.821438721082 × 10¹²

Factors of 7821438721082

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 449

Divisors of 7821438721082

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 7 14 157 283 314 566 1099 1981 2198 3962 24649 44431 49298 80089 88862 160178 172543 311017 345086 560623 622034 1121246 6975667 12573973 13951334 22665187 25147946 45330374 48829669 88017811 97659338 158656309 176035622 317312618 1974113761 3558434359 3948227522 7116868718 13818796327 24909040513 27637592654 49818081026 558674194363 1117348388726 3910719360541 7821438721082
• Sum of all divisors σ(n): 13541978566080
• Sum of proper divisors (its aliquot sum) s(n): 5720539844998
• 7821438721082 is a deficient number, because the sum of its proper divisors (5720539844998) is less than itself. Its deficiency is 2100898876084

Bases of 7821438721082

• Binary: 1110001110100010010000100111001110000111010₂
• Hexadecimal: 0x71D12139C3A
• Base-36: 2RT4AO5KQ

Squares and roots of 7821438721082

• 7821438721082 squared (7821438721082²) is 61174903667640831791250724
• 7821438721082 cubed (7821438721082³) is 478475760304547258593482749919766563368
• The square root of 7821438721082 is 2796683.5217954141
• The cube root of 7821438721082 is 19850.0779107119

Scales and comparisons

• 7,821,438,721,082 seconds is equal to 248,697 years, 29 weeks, 2 hours, 58 minutes, 2 seconds.
• To count from 1 to 7,821,438,721,082 would take you about six hundred twenty-one thousand, seven hundred forty-three 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 7821438721082 cubic inches would be around 1654.2 feet tall.

Recreational maths with 7821438721082

• 7821438721082 backwards is 2801278341287
• The number of decimal digits it has is: 13
• The sum of 7821438721082's digits is 53
• More coming soon!