68072318720

Names of 68072318720

• Cardinal: 68072318720 can be written as Sixty-eight billion, seventy-two million, three hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.807231872 × 10¹⁰

Factors of 68072318720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7597371

Divisors of 68072318720

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 7597357 15194714 30389428 37986785 53181499 60778856 75973570 106362998 121557712 151947140 212725996 243115424 265907495 303894280 425451992 486230848 531814990 607788560 850903984 972461696 1063629980 1215577120 1701807968 1944923392 2127259960 2431154240 3403615936 4254519920 4862308480 6807231872 8509039840 9724616960 13614463744 17018079680 34036159360 68072318720
• Sum of all divisors σ(n): 186347997024
• Sum of proper divisors (its aliquot sum) s(n): 118275678304
• 68072318720 is an abundant number, because the sum of its proper divisors (118275678304) is greater than itself. Its abundance is 50203359584

Bases of 68072318720

• Binary: 111111011001011011010010011100000000₂
• Hexadecimal: 0xFD96D2700
• Base-36: V9SI1A8

Squares and roots of 68072318720

• 68072318720 squared (68072318720²) is 4633840575917262438400
• 68072318720 cubed (68072318720³) is 315436272581508245056649166848000
• The square root of 68072318720 is 260906.7241755185
• The cube root of 68072318720 is 4083.1015504069

Scales and comparisons

• 68,072,318,720 seconds is equal to 2,164 years, 25 weeks, 3 days, 1 hour, 25 minutes, 20 seconds.
• To count from 1 to 68,072,318,720 would take you about four thousand, three hundred twenty-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 68072318720 cubic inches would be around 340.3 feet tall.

Recreational maths with 68072318720

• 68072318720 backwards is 02781327086
• The number of decimal digits it has is: 11
• The sum of 68072318720's digits is 44
• More coming soon!