684640136672

Names of 684640136672

• Cardinal: 684640136672 can be written as Six hundred eighty-four billion, six hundred forty million, one hundred thirty-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.84640136672 × 10¹¹

Factors of 684640136672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 27524

Divisors of 684640136672

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 68 92 136 184 272 368 391 544 736 782 1564 2161 3128 4322 6256 8644 12512 17288 25321 34576 36737 49703 50642 69152 73474 99406 101284 146948 198812 202568 293896 397624 405136 430457 582383 587792 795248 810272 844951 860914 1164766 1175584 1590496 1689902 1721828 2329532 3379804 3443656 4659064 6759608 6887312 9318128 9900511 13519216 13774624 18636256 19801022 27038432 39602044 54718681 79204088 109437362 158408176 218874724 316816352 437749448 875498896 930217577 1258529663 1750997792 1860435154 2517059326 3720870308 5034118652 7441740616 10068237304 14883481232 20136474608 21395004271 29766962464 40272949216 42790008542 85580017084 171160034168 342320068336 684640136672
• Sum of all divisors σ(n): 1489971599424
• Sum of proper divisors (its aliquot sum) s(n): 805331462752
• 684640136672 is an abundant number, because the sum of its proper divisors (805331462752) is greater than itself. Its abundance is 120691326080

Bases of 684640136672

• Binary: 1001111101100111101110110110110111100000₂
• Hexadecimal: 0x9F67BB6DE0
• Base-36: 8QIP26E8

Squares and roots of 684640136672

• 684640136672 squared (684640136672²) is 468732116742254839235584
• 684640136672 cubed (684640136672³) is 320912820468973212531703617765736448
• The square root of 684640136672 is 827429.8379149741
• The cube root of 684640136672 is 8813.6158737879

Scales and comparisons

• 684,640,136,672 seconds is equal to 21,769 years, 22 weeks, 5 days, 15 hours, 44 minutes, 32 seconds.
• To count from 1 to 684,640,136,672 would take you about forty-three thousand, five hundred thirty-eight 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 684640136672 cubic inches would be around 734.5 feet tall.

Recreational maths with 684640136672

• 684640136672 backwards is 276631046486
• The number of decimal digits it has is: 12
• The sum of 684640136672's digits is 53
• More coming soon!