68009728000

Names of 68009728000

• Cardinal: 68009728000 can be written as Sixty-eight billion, nine million, seven hundred twenty-eight thousand.

Scientific notation

• Scientific notation: 6.8009728 × 10¹⁰

Factors of 68009728000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2471

Divisors of 68009728000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 113 125 128 160 200 226 250 256 320 400 452 500 512 565 640 800 904 1000 1024 1130 1280 1600 1808 2000 2048 2260 2351 2560 2825 3200 3616 4000 4520 4702 5120 5650 6400 7232 8000 9040 9404 10240 11300 11755 12800 14125 14464 16000 18080 18808 22600 23510 25600 28250 28928 32000 36160 37616 45200 47020 51200 56500 57856 58775 64000 72320 75232 90400 94040 113000 115712 117550 128000 144640 150464 180800 188080 226000 231424 235100 256000 265663 289280 293875 300928 361600 376160 452000 470200 531326 578560 587750 601856 723200 752320 904000 940400 1062652 1157120 1175500 1203712 1328315 1446400 1504640 1808000 1880800 2125304 2351000 2407424 2656630 2892800 3009280 3616000 3761600 4250608 4702000 4814848 5313260 5785600 6018560 6641575 7232000 7523200 8501216 9404000 10626520 12037120 13283150 14464000 15046400 17002432 18808000 21253040 24074240 26566300 28928000 30092800 33207875 34004864 37616000 42506080 53132600 60185600 66415750 68009728 75232000 85012160 106265200 120371200 132831500 136019456 150464000 170024320 212530400 265663000 272038912 300928000 340048640 425060800 531326000 544077824 601856000 680097280 850121600 1062652000 1360194560 1700243200 2125304000 2720389120 3400486400 4250608000 6800972800 8501216000 13601945600 17002432000 34004864000 68009728000
• Sum of all divisors σ(n): 171285528960
• Sum of proper divisors (its aliquot sum) s(n): 103275800960
• 68009728000 is an abundant number, because the sum of its proper divisors (103275800960) is greater than itself. Its abundance is 35266072960

Bases of 68009728000

• Binary: 111111010101101100100001100000000000₂
• Hexadecimal: 0xFD5B21800
• Base-36: V8R8HZ4

Squares and roots of 68009728000

• 68009728000 squared (68009728000²) is 4625323102633984000000
• 68009728000 cubed (68009728000³) is 314566966122253335396352000000000
• The square root of 68009728000 is 260786.7481295781
• The cube root of 68009728000 is 4081.8497315621

Scales and comparisons

• 68,009,728,000 seconds is equal to 2,162 years, 25 weeks, 6 days, 15 hours, 6 minutes, 40 seconds.
• To count from 1 to 68,009,728,000 would take you about four thousand, three hundred twenty-four 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 68009728000 cubic inches would be around 340.2 feet tall.

Recreational maths with 68009728000

• 68009728000 backwards is 00082790086
• 68009728000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68009728000's digits is 40
• More coming soon!