72090368

Names of 72090368

• Cardinal: 72090368 can be written as Seventy-two million, ninety thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2090368 × 10⁷

Factors of 72090368

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 830

Divisors of 72090368

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 343 392 448 686 784 821 896 1372 1568 1642 1792 2744 3136 3284 5488 5747 6272 6568 10976 11494 12544 13136 21952 22988 26272 40229 43904 45976 52544 80458 87808 91952 105088 160916 183904 210176 281603 321832 367808 563206 643664 735616 1126412 1287328 1471232 2252824 2574656 4505648 5149312 9011296 10298624 18022592 36045184 72090368
• Sum of all divisors σ(n): 168016800
• Sum of proper divisors (its aliquot sum) s(n): 95926432
• 72090368 is an abundant number, because the sum of its proper divisors (95926432) is greater than itself. Its abundance is 23836064

Bases of 72090368

• Binary: 100010011000000001100000000₂
• Hexadecimal: 0x44C0300
• Base-36: 16X5A8

Squares and roots of 72090368

• 72090368 squared (72090368²) is 5197021158375424
• 72090368 cubed (72090368³) is 374655167811070598316032
• The square root of 72090368 is 8490.6046898911
• The cube root of 72090368 is 416.1907409321

Scales and comparisons

• 72,090,368 seconds is equal to 2 years, 15 weeks, 1 day, 9 hours, 6 minutes, 8 seconds.
• To count from 1 to 72,090,368 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 72090368 cubic inches would be around 34.7 feet tall.

Recreational maths with 72090368

• 72090368 backwards is 86309027
• The number of decimal digits it has is: 8
• The sum of 72090368's digits is 35
• More coming soon!