72831328605

Names of 72831328605

• Cardinal: 72831328605 can be written as Seventy-two billion, eight hundred thirty-one million, three hundred twenty-eight thousand, six hundred five.

Scientific notation

• Scientific notation: 7.2831328605 × 10¹⁰

Factors of 72831328605

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 524302

Divisors of 72831328605

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 245 315 343 405 441 567 735 945 1029 1323 1715 2205 2835 3087 3969 5145 6615 9261 15435 19845 27783 46305 138915 524287 1572861 2621435 3670009 4718583 7864305 11010027 14155749 18350045 23592915 25690063 33030081 42467247 55050135 70778745 77070189 99090243 128450315 165150405 179830441 212336235 231210567 297270729 385350945 495451215 539491323 693631701 899152205 1156052835 1486353645 1618473969 2080895103 2697456615 3468158505 4855421907 8092369845 10404475515 14566265721 24277109535 72831328605
• Sum of all divisors σ(n): 152253235200
• Sum of proper divisors (its aliquot sum) s(n): 79421906595
• 72831328605 is an abundant number, because the sum of its proper divisors (79421906595) is greater than itself. Its abundance is 6590577990

Bases of 72831328605

• Binary: 1000011110101000101011110000101011101₂
• Hexadecimal: 0x10F515E15D
• Base-36: XGHW4T9

Squares and roots of 72831328605

• 72831328605 squared (72831328605²) is 5304402426369491246025
• 72831328605 cubed (72831328605³) is 386326676168075734085917675045125
• The square root of 72831328605 is 269872.8007877043
• The cube root of 72831328605 is 4176.1178328943

Scales and comparisons

• 72,831,328,605 seconds is equal to 2,315 years, 42 weeks, 1 day, 4 hours, 36 minutes, 45 seconds.
• To count from 1 to 72,831,328,605 would take you about four thousand, six hundred thirty-one 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 72831328605 cubic inches would be around 348 feet tall.

Recreational maths with 72831328605

• 72831328605 backwards is 50682313827
• 72831328605 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72831328605's digits is 45
• More coming soon!