72163909313811

Names of 72163909313811

• Cardinal: 72163909313811 can be written as Seventy-two trillion, one hundred sixty-three billion, nine hundred nine million, three hundred thirteen thousand, eight hundred eleven.

Scientific notation

• Scientific notation: 7.2163909313811 × 10¹³

Factors of 72163909313811

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 90393

Divisors of 72163909313811

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 31 49 63 93 147 189 217 279 441 651 837 1323 1519 1953 4557 5859 13671 28403 41013 61949 85209 185847 198821 255627 433643 557541 596463 766881 880493 1300929 1391747 1672623 1789389 1920419 2641479 3035501 3902787 4175241 5368167 5761257 6163451 7924437 9106503 11708361 12525723 13442933 17283771 18490353 23773311 27319509 37577169 40328799 43144157 51851313 55471059 81958527 94100531 120986397 129432471 166413177 282301593 362959191 388297413 846904779 1164892239 1759537447 2540714337 5278612341 12316762129 15835837023 36950286387 47507511069 54545660857 86217334903 110850859161 163636982571 258652004709 332552577483 381819625999 490910947713 775956014127 1145458877997 1472732843139 2327868042381 2672737381993 3436376633991 8018212145979 10309129901973 24054636437937 72163909313811
• Sum of all divisors σ(n): 128382444288000
• Sum of proper divisors (its aliquot sum) s(n): 56218534974189
• 72163909313811 is a deficient number, because the sum of its proper divisors (56218534974189) is less than itself. Its deficiency is 15945374339622

Bases of 72163909313811

• Binary: 10000011010000111111000001011100010010100010011₂
• Hexadecimal: 0x41A1F82E2513
• Base-36: PKVN4DZIR

Squares and roots of 72163909313811

• 72163909313811 squared (72163909313811²) is 5207629807451937992875343721
• 72163909313811 cubed (72163909313811³) is 375802925164860692697799066108169877430731
• The square root of 72163909313811 is 8494934.3325190573
• The cube root of 72163909313811 is 41633.2215273561

Scales and comparisons

• 72,163,909,313,811 seconds is equal to 2,294,589 years, 5 weeks, 20 hours, 56 minutes, 51 seconds.
• To count from 1 to 72,163,909,313,811 would take you about five million, seven hundred thirty-six thousand, four hundred seventy-two 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 72163909313811 cubic inches would be around 3469.4 feet tall.

Recreational maths with 72163909313811

• 72163909313811 backwards is 11831390936127
• The number of decimal digits it has is: 14
• The sum of 72163909313811's digits is 54
• More coming soon!