81364320832746

Names of 81364320832746

• Cardinal: 81364320832746 can be written as Eighty-one trillion, three hundred sixty-four billion, three hundred twenty million, eight hundred thirty-two thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 8.1364320832746 × 10¹³

Factors of 81364320832746

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1242303

Divisors of 81364320832746

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 1109 1409 2218 2818 3327 4227 6654 7763 8454 9863 15526 19726 23289 29589 46578 59178 1239773 1562581 2479546 3125162 3719319 4687743 7438638 8678411 9375486 10938067 17356822 21876134 26035233 32814201 52070466 65628402 1374908257 1746840157 2749816514 3493680314 4124724771 5240520471 8249449542 9624357799 10481040942 12227881099 19248715598 24455762198 28873073397 36683643297 57746146794 73367286594 1937245734113 3874491468226 5811737202339 11623474404678 13560720138791 27121440277582 40682160416373 81364320832746
• Sum of all divisors σ(n): 186275547590400
• Sum of proper divisors (its aliquot sum) s(n): 104911226757654
• 81364320832746 is an abundant number, because the sum of its proper divisors (104911226757654) is greater than itself. Its abundance is 23546905924908

Bases of 81364320832746

• Binary: 10010100000000000011011011100001100110011101010₂
• Hexadecimal: 0x4A001B70CCEA
• Base-36: SUA93UXNU

Squares and roots of 81364320832746

• 81364320832746 squared (81364320832746²) is 6620152704574024738905900516
• 81364320832746 cubed (81364320832746³) is 538644228616732096667456944696922151096936
• The square root of 81364320832746 is 9020217.3384429047
• The cube root of 81364320832746 is 43332.2594243007

Scales and comparisons

• 81,364,320,832,746 seconds is equal to 2,587,133 years, 37 weeks, 5 days, 7 hours, 19 minutes, 6 seconds.
• To count from 1 to 81,364,320,832,746 would take you about six million, four hundred sixty-seven thousand, eight hundred thirty-four 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 81364320832746 cubic inches would be around 3611 feet tall.

Recreational maths with 81364320832746

• 81364320832746 backwards is 64723802346318
• The number of decimal digits it has is: 14
• The sum of 81364320832746's digits is 57
• More coming soon!