72664930

Names of 72664930

• Cardinal: 72664930 can be written as Seventy-two million, six hundred sixty-four thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 7.266493 × 10⁷

Factors of 72664930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 143

Divisors of 72664930

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 19 26 31 38 62 65 73 95 130 146 155 169 190 247 310 338 365 403 494 589 730 806 845 949 1178 1235 1387 1690 1898 2015 2263 2470 2774 2945 3211 4030 4526 4745 5239 5890 6422 6935 7657 9490 10478 11315 12337 13870 15314 16055 18031 22630 24674 26195 29419 32110 36062 38285 42997 52390 58838 61685 76570 85994 90155 99541 123370 147095 180310 199082 214985 234403 294190 382447 429970 468806 497705 558961 764894 995410 1117922 1172015 1912235 2344030 2794805 3824470 5589610 7266493 14532986 36332465 72664930
• Sum of all divisors σ(n): 156003840
• Sum of proper divisors (its aliquot sum) s(n): 83338910
• 72664930 is an abundant number, because the sum of its proper divisors (83338910) is greater than itself. Its abundance is 10673980

Bases of 72664930

• Binary: 100010101001100011101100010₂
• Hexadecimal: 0x454C762
• Base-36: 179GMA

Squares and roots of 72664930

• 72664930 squared (72664930²) is 5280192051904900
• 72664930 cubed (72664930³) is 383684785838225925157000
• The square root of 72664930 is 8524.3727041935
• The cube root of 72664930 is 417.2934998971

Scales and comparisons

• 72,664,930 seconds is equal to 2 years, 16 weeks, 1 day, 42 minutes, 10 seconds.
• To count from 1 to 72,664,930 would take you about 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 72664930 cubic inches would be around 34.8 feet tall.

Recreational maths with 72664930

• 72664930 backwards is 03946627
• The number of decimal digits it has is: 8
• The sum of 72664930's digits is 37
• More coming soon!