72820709310085

Names of 72820709310085

• Cardinal: 72820709310085 can be written as Seventy-two trillion, eight hundred twenty billion, seven hundred nine million, three hundred ten thousand and eighty-five.

Scientific notation

• Scientific notation: 7.2820709310085 × 10¹³

Factors of 72820709310085

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 46780079

Divisors of 72820709310085

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 11 31 55 83 121 155 341 415 605 913 1705 2573 3751 4565 10043 12865 18755 28303 50215 141515 311333 1556665 46779949 233899745 514579439 1450178419 2572897195 3882735767 5660373829 7250892095 15951962609 19413678835 28301869145 42710093437 79759813045 120364808777 175471588699 213550467185 469811027807 601824043885 877357943495 1324012896547 2349055139035 6620064482735 14564141862017 72820709310085
• Sum of all divisors σ(n): 100344115468800
• Sum of proper divisors (its aliquot sum) s(n): 27523406158715
• 72820709310085 is a deficient number, because the sum of its proper divisors (27523406158715) is less than itself. Its deficiency is 45297303151370

Bases of 72820709310085

• Binary: 10000100011101011100100100000101011111010000101₂
• Hexadecimal: 0x423AE482BE85
• Base-36: PT9DE5C3P

Squares and roots of 72820709310085

• 72820709310085 squared (72820709310085²) is 5302855704423900196682707225
• 72820709310085 cubed (72820709310085³) is 386157713765178859973959280652279794864125
• The square root of 72820709310085 is 8533505.1010757005
• The cube root of 72820709310085 is 41759.1485439013

Scales and comparisons

• 72,820,709,310,085 seconds is equal to 2,315,473 years, 15 weeks, 6 days, 16 hours, 21 minutes, 25 seconds.
• To count from 1 to 72,820,709,310,085 would take you about five million, seven hundred eighty-eight thousand, six hundred eighty-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 72820709310085 cubic inches would be around 3479.9 feet tall.

Recreational maths with 72820709310085

• 72820709310085 backwards is 58001390702827
• The number of decimal digits it has is: 14
• The sum of 72820709310085's digits is 52
• More coming soon!