18264964456982431

Names of 18264964456982431

• Cardinal: 18264964456982431 can be written as Eighteen quadrillion, two hundred sixty-four trillion, nine hundred sixty-four billion, four hundred fifty-six million, nine hundred eighty-two thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.8264964456982431 × 10¹⁶

Factors of 18264964456982431

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 442555

Divisors of 18264964456982431

• Number of divisors d(n): 32
• Complete list of divisors:
  1 17 19 323 6221 21937 105757 118199 372929 414361 416803 2009383 7044137 7085651 7872859 133838603 136470077 2319991309 2577739781 2592931463 9089837257 43821576277 44079834871 48977055839 154527233369 172706907883 832609949263 2936017434011 56547877575797 961313918788549 1074409673940143 18264964456982431
• Sum of all divisors σ(n): 20361485543555520
• Sum of proper divisors (its aliquot sum) s(n): 2096521086573089
• 18264964456982431 is a deficient number, because the sum of its proper divisors (2096521086573089) is less than itself. Its deficiency is 16168443370409342

Bases of 18264964456982431

• Binary: 1000000111000111110001101101110010010110010011110011111₂
• Hexadecimal: 0x40E3E36E4B279F
• Base-36: 4ZUE0U2A2ZJ

Squares and roots of 18264964456982431

• 18264964456982431 squared (18264964456982431²) is 333608926614831510527910242669761
• 18264964456982431 cubed (18264964456982431³) is 6093355187151957693604205914040964598631311968991
• The square root of 18264964456982431 is 135147935.4521645329
• The cube root of 18264964456982431 is 263353.8128491279

Scales and comparisons

• 18,264,964,456,982,431 seconds is equal to 580,769,372 years, 25 weeks, 2 days, 10 hours, 40 minutes, 31 seconds.
• To count from 1 to 18,264,964,456,982,431 would take you about one billion, seven hundred forty-two million, three hundred eight thousand, one hundred seventeen 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 18264964456982431 cubic inches would be around 21946.2 feet tall.

Recreational maths with 18264964456982431

• 18264964456982431 backwards is 13428965446946281
• The number of decimal digits it has is: 17
• The sum of 18264964456982431's digits is 82
• More coming soon!