18388590628864

Names of 18388590628864

• Cardinal: 18388590628864 can be written as Eighteen trillion, three hundred eighty-eight billion, five hundred ninety million, six hundred twenty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8388590628864 × 10¹³

Factors of 18388590628864

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 67005

Divisors of 18388590628864

• Number of divisors d(n): 39
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 2048 4096 67003 134006 268012 536024 1072048 2144096 4288192 8576384 17152768 34305536 68611072 137222144 274444288 4489402009 8978804018 17957608036 35915216072 71830432144 143660864288 287321728576 574643457152 1149286914304 2298573828608 4597147657216 9194295314432 18388590628864
• Sum of all divisors σ(n): 36773240685483
• Sum of proper divisors (its aliquot sum) s(n): 18384650056619
• 18388590628864 is a deficient number, because the sum of its proper divisors (18384650056619) is less than itself. Its deficiency is 3940572245

Bases of 18388590628864

• Binary: 100001011100101101101011010011001000000000000₂
• Hexadecimal: 0x10B96D699000
• Base-36: 6INLO2X34

Squares and roots of 18388590628864

• 18388590628864 squared (18388590628864²) is 338140265315944918989930496
• 18388590628864 cubed (18388590628864³) is 6217922914030371385535431555124291436544
• 18388590628864 is a perfect square number. Its square root is 4288192
• The cube root of 18388590628864 is 26394.6646266127

Scales and comparisons

• 18,388,590,628,864 seconds is equal to 584,700 years, 15 weeks, 5 days, 1 hour, 21 minutes, 4 seconds.
• To count from 1 to 18,388,590,628,864 would take you about one million, four hundred sixty-one thousand, seven hundred fifty 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 18388590628864 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18388590628864

• 18388590628864 backwards is 46882609588381
• The number of decimal digits it has is: 14
• The sum of 18388590628864's digits is 76
• More coming soon!