72130718688

Names of 72130718688

• Cardinal: 72130718688 can be written as Seventy-two billion, one hundred thirty million, seven hundred eighteen thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 7.2130718688 × 10¹⁰

Factors of 72130718688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1358792

Divisors of 72130718688

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 79 84 96 112 158 168 224 237 316 336 474 553 632 672 948 1106 1264 1659 1896 2212 2528 3318 3792 4424 6636 7584 8848 13272 17696 26544 53088 1358701 2717402 4076103 5434804 8152206 9510907 10869608 16304412 19021814 21739216 28532721 32608824 38043628 43478432 57065442 65217648 76087256 107337379 114130884 130435296 152174512 214674758 228261768 304349024 322012137 429349516 456523536 644024274 751361653 858699032 913047072 1288048548 1502723306 1717398064 2254084959 2576097096 3005446612 3434796128 4508169918 5152194192 6010893224 9016339836 10304388384 12021786448 18032679672 24043572896 36065359344 72130718688
• Sum of all divisors σ(n): 219131458560
• Sum of proper divisors (its aliquot sum) s(n): 147000739872
• 72130718688 is an abundant number, because the sum of its proper divisors (147000739872) is greater than itself. Its abundance is 74870021184

Bases of 72130718688

• Binary: 1000011001011010100110110101111100000₂
• Hexadecimal: 0x10CB536BE0
• Base-36: X4WRMQO

Squares and roots of 72130718688

• 72130718688 squared (72130718688²) is 5202840578447392441344
• 72130718688 cubed (72130718688³) is 375284630142500059993721604636672
• The square root of 72130718688 is 268571.6267367051
• The cube root of 72130718688 is 4162.6837705697

Scales and comparisons

• 72,130,718,688 seconds is equal to 2,293 years, 27 weeks, 5 days, 6 hours, 44 minutes, 48 seconds.
• To count from 1 to 72,130,718,688 would take you about four thousand, five hundred eighty-seven 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 72130718688 cubic inches would be around 346.9 feet tall.

Recreational maths with 72130718688

• 72130718688 backwards is 88681703127
• The number of decimal digits it has is: 11
• The sum of 72130718688's digits is 51
• More coming soon!