72191643093

Names of 72191643093

• Cardinal: 72191643093 can be written as Seventy-two billion, one hundred ninety-one million, six hundred forty-three thousand and ninety-three.

Scientific notation

• Scientific notation: 7.2191643093 × 10¹⁰

Factors of 72191643093

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 633

Divisors of 72191643093

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 23 27 37 69 79 81 111 207 237 243 333 491 621 711 729 851 999 1473 1817 1863 2133 2187 2553 2923 2997 4419 5451 5589 6399 7659 8769 8991 11293 13257 16353 16767 18167 19197 22977 26307 26973 33879 38789 39771 49059 50301 54501 57591 67229 68931 78921 80919 101637 116367 119313 147177 163503 172773 201687 206793 236763 304911 349101 357939 417841 441531 490509 605061 620379 710289 892147 914733 1047303 1073817 1253523 1324593 1435193 1471527 1815183 1861137 2130867 2676441 2744199 3141909 3760569 3973779 4305579 4414581 5445549 6392601 8029323 8232597 9425727 11281707 12916737 13243743 16336647 24087969 24697791 28277181 33009439 33845121 38750211 39731229 49009941 72263907 84831543 99028317 101535363 116250633 147029823 216791721 297084951 304606089 348751899 650375163 891254853 913818267 1046255697 1951125489 2673764559 3138767091 8021293677 24063881031 72191643093
• Sum of all divisors σ(n): 117739929600
• Sum of proper divisors (its aliquot sum) s(n): 45548286507
• 72191643093 is a deficient number, because the sum of its proper divisors (45548286507) is less than itself. Its deficiency is 26643356586

Bases of 72191643093

• Binary: 1000011001110111101010000110111010101₂
• Hexadecimal: 0x10CEF50DD5
• Base-36: X5X1GB9

Squares and roots of 72191643093

• 72191643093 squared (72191643093²) is 5211633332467094606649
• 72191643093 cubed (72191643093³) is 376236373469046703009869832725357
• The square root of 72191643093 is 268685.0258071707
• The cube root of 72191643093 is 4163.8554288561

Scales and comparisons

• 72,191,643,093 seconds is equal to 2,295 years, 24 weeks, 3 days, 10 hours, 11 minutes, 33 seconds.
• To count from 1 to 72,191,643,093 would take you about four thousand, five hundred ninety 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 72191643093 cubic inches would be around 347 feet tall.

Recreational maths with 72191643093

• 72191643093 backwards is 39034619127
• The number of decimal digits it has is: 11
• The sum of 72191643093's digits is 45
• More coming soon!