81984224000

Names of 81984224000

• Cardinal: 81984224000 can be written as Eighty-one billion, nine hundred eighty-four million, two hundred twenty-four thousand.

Scientific notation

• Scientific notation: 8.1984224 × 10¹⁰

Factors of 81984224000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 366015

Divisors of 81984224000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 250 256 280 320 350 400 448 500 560 640 700 800 875 896 1000 1120 1280 1400 1600 1750 1792 2000 2240 2800 3200 3500 4000 4480 5600 6400 7000 8000 8960 11200 14000 16000 22400 28000 32000 44800 56000 112000 224000 366001 732002 1464004 1830005 2562007 2928008 3660010 5124014 5856016 7320020 9150025 10248028 11712032 12810035 14640040 18300050 20496056 23424064 25620070 29280080 36600100 40992112 45750125 46848128 51240140 58560160 64050175 73200200 81984224 91500250 93696256 102480280 117120320 128100350 146400400 163968448 183000500 204960560 234240640 256200700 292800800 320250875 327936896 366001000 409921120 468481280 512401400 585601600 640501750 655873792 732002000 819842240 1024802800 1171203200 1281003500 1464004000 1639684480 2049605600 2342406400 2562007000 2928008000 3279368960 4099211200 5124014000 5856016000 8198422400 10248028000 11712032000 16396844800 20496056000 40992112000 81984224000
• Sum of all divisors σ(n): 233409723456
• Sum of proper divisors (its aliquot sum) s(n): 151425499456
• 81984224000 is an abundant number, because the sum of its proper divisors (151425499456) is greater than itself. Its abundance is 69441275456

Bases of 81984224000

• Binary: 1001100010110101000111111101100000000₂
• Hexadecimal: 0x1316A3FB00
• Base-36: 11NVAG3K

Squares and roots of 81984224000

• 81984224000 squared (81984224000²) is 6721412984882176000000
• 81984224000 cubed (81984224000³) is 551049827749088930791424000000000
• The square root of 81984224000 is 286328.8738496347
• The cube root of 81984224000 is 4344.2028559485

Scales and comparisons

• 81,984,224,000 seconds is equal to 2,606 years, 43 weeks, 6 days, 11 hours, 33 minutes, 20 seconds.
• To count from 1 to 81,984,224,000 would take you about five thousand, two hundred thirteen 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 81984224000 cubic inches would be around 362 feet tall.

Recreational maths with 81984224000

• 81984224000 backwards is 00042248918
• The number of decimal digits it has is: 11
• The sum of 81984224000's digits is 38
• More coming soon!