18489497489872464

Names of 18489497489872464

• Cardinal: 18489497489872464 can be written as Eighteen quadrillion, four hundred eighty-nine trillion, four hundred ninety-seven billion, four hundred eighty-nine million, eight hundred seventy-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8489497489872464 × 10¹⁶

Factors of 18489497489872464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35017987670229

Divisors of 18489497489872464

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 35017987670213 70035975340426 105053963010639 140071950680852 210107926021278 280143901361704 385197864372343 420215852042556 560287802723408 770395728744686 840431704085112 1155593593117029 1540791457489372 1680863408170224 2311187186234058 3081582914978744 4622374372468116 6163165829957488 9244748744936232 18489497489872464
• Sum of all divisors σ(n): 52106765653278432
• Sum of proper divisors (its aliquot sum) s(n): 33617268163405968
• 18489497489872464 is an abundant number, because the sum of its proper divisors (33617268163405968) is greater than itself. Its abundance is 15127770673533504

Bases of 18489497489872464

• Binary: 1000001101100000001100110011001111101011001011001010000₂
• Hexadecimal: 0x41B01999F59650
• Base-36: 521Z9VWSI1C

Squares and roots of 18489497489872464

• 18489497489872464 squared (18489497489872464²) is 341861517428000146996246985431296
• 18489497489872464 cubed (18489497489872464³) is 6320847668369000323120042249804700603913074233344
• The square root of 18489497489872464 is 135976091.6112551899
• The cube root of 18489497489872464 is 264428.5657027551

Scales and comparisons

• 18,489,497,489,872,464 seconds is equal to 587,908,828 years, 21 weeks, 1 day, 4 hours, 34 minutes, 24 seconds.
• To count from 1 to 18,489,497,489,872,464 would take you about one billion, seven hundred sixty-three million, seven hundred twenty-six thousand, four hundred eighty-five 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 18489497489872464 cubic inches would be around 22035.7 feet tall.

Recreational maths with 18489497489872464

• 18489497489872464 backwards is 46427898479498481
• The number of decimal digits it has is: 17
• The sum of 18489497489872464's digits is 102
• More coming soon!