820558794025942

Names of 820558794025942

• Cardinal: 820558794025942 can be written as Eight hundred twenty trillion, five hundred fifty-eight billion, seven hundred ninety-four million, twenty-five thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 8.20558794025942 × 10¹⁴

Factors of 820558794025942

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 116933

Divisors of 820558794025942

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 61 122 127 163 254 326 2857 5714 7747 9943 15494 19886 20701 41402 113723 174277 227446 348554 362839 465691 725678 931382 1262761 2525522 6937103 13874206 14442821 18536849 22133179 28407151 28885642 37073698 44266358 56814302 59142757 118285514 324906611 649813222 881012081 1130747789 1762024162 2261495578 2354179823 3607708177 4708359646 7215416354 19819303271 39638606542 41263139597 52959777593 82526279194 105919555186 143604969203 287209938406 2517051515417 3230546433173 5034103030834 6461092866346 6725891754311 13451783508622 410279397012971 820558794025942
• Sum of all divisors σ(n): 1269056953442304
• Sum of proper divisors (its aliquot sum) s(n): 448498159416362
• 820558794025942 is a deficient number, because the sum of its proper divisors (448498159416362) is less than itself. Its deficiency is 372060634609580

Bases of 820558794025942

• Binary: 10111010100100101100111011011011110110101111010110₂
• Hexadecimal: 0x2EA4B3B6F6BD6
• Base-36: 82V3I7RGLY

Squares and roots of 820558794025942

• 820558794025942 squared (820558794025942²) is 673316734453308308468568987364
• 820558794025942 cubed (820558794025942³) is 552495967620492097632336679315496695686196888
• The square root of 820558794025942 is 28645397.4318029317
• The cube root of 820558794025942 is 93620.2726114781

Scales and comparisons

• 820,558,794,025,942 seconds is equal to 26,091,231 years, 25 weeks, 5 days, 4 hours, 32 minutes, 22 seconds.
• To count from 1 to 820,558,794,025,942 would take you about sixty-five million, two hundred twenty-eight thousand and seventy-eight 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 820558794025942 cubic inches would be around 7801.7 feet tall.

Recreational maths with 820558794025942

• 820558794025942 backwards is 249520497855028
• The number of decimal digits it has is: 15
• The sum of 820558794025942's digits is 70
• More coming soon!