268223591721

Names of 268223591721

• Cardinal: 268223591721 can be written as Two hundred sixty-eight billion, two hundred twenty-three million, five hundred ninety-one thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.68223591721 × 10¹¹

Factors of 268223591721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2174

Divisors of 268223591721

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 43 61 73 129 183 219 271 813 1723 2623 3139 4453 5169 7869 9417 11653 13359 16531 19783 34959 49593 59349 74089 105103 125779 191479 222267 315309 377337 466933 574437 710833 850669 1206763 1400799 2132499 2552007 3620289 4519429 5408497 7672519 13558287 16225491 20078119 23017557 28482913 34086109 51890809 60234357 85448739 102258327 155672427 329918317 989754951 1224765259 1465702687 2079252649 3674295777 4397108061 6237757947 89407863907 268223591721
• Sum of all divisors σ(n): 378653732864
• Sum of proper divisors (its aliquot sum) s(n): 110430141143
• 268223591721 is a deficient number, because the sum of its proper divisors (110430141143) is less than itself. Its deficiency is 157793450578

Bases of 268223591721

• Binary: 11111001110011010111110011010100101001₂
• Hexadecimal: 0x3E735F3529
• Base-36: 3F7XEFXL

Squares and roots of 268223591721

• 268223591721 squared (268223591721²) is 71943895155713699741841
• 268223591721 cubed (268223591721³) is 19297049961064581119921943484898361
• The square root of 268223591721 is 517903.0717431593
• The cube root of 268223591721 is 6449.0982191467

Scales and comparisons

• 268,223,591,721 seconds is equal to 8,528 years, 35 weeks, 2 days, 17 hours, 15 minutes, 21 seconds.
• To count from 1 to 268,223,591,721 would take you about seventeen thousand and fifty-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 268223591721 cubic inches would be around 537.4 feet tall.

Recreational maths with 268223591721

• 268223591721 backwards is 127195322862
• The number of decimal digits it has is: 12
• The sum of 268223591721's digits is 48
• More coming soon!