18123811440849

Names of 18123811440849

• Cardinal: 18123811440849 can be written as Eighteen trillion, one hundred twenty-three billion, eight hundred eleven million, four hundred forty thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.8123811440849 × 10¹³

Factors of 18123811440849

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2579

Divisors of 18123811440849

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 81 199 597 1791 2377 5373 7131 16119 21393 39601 64179 118803 192537 356409 473023 1069227 1419069 3207681 4257207 5650129 12771621 16950387 38314863 50851161 94131577 152553483 282394731 457660449 847184193 1124375671 2541552579 3373127013 7624657737 10119381039 30358143117 91074429351 223750758529 671252275587 2013756826761 6041270480283 18123811440849
• Sum of all divisors σ(n): 27222027163947
• Sum of proper divisors (its aliquot sum) s(n): 9098215723098
• 18123811440849 is a deficient number, because the sum of its proper divisors (9098215723098) is less than itself. Its deficiency is 9025595717751

Bases of 18123811440849

• Binary: 100000111101111000111010101111100100011010001₂
• Hexadecimal: 0x107BC757C8D1
• Base-36: 6F9YPE029

Squares and roots of 18123811440849

• 18123811440849 squared (18123811440849²) is 328472541143449105425840801
• 18123811440849 cubed (18123811440849³) is 5953174399180386765405407871289102280049
• 18123811440849 is a perfect square number. Its square root is 4257207
• The cube root of 18123811440849 is 26267.3651706083

Scales and comparisons

• 18,123,811,440,849 seconds is equal to 576,281 years, 7 weeks, 3 days, 2 hours, 54 minutes, 9 seconds.
• To count from 1 to 18,123,811,440,849 would take you about one million, four hundred forty thousand, seven hundred two 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 18123811440849 cubic inches would be around 2188.9 feet tall.

Recreational maths with 18123811440849

• 18123811440849 backwards is 94804411832181
• The number of decimal digits it has is: 14
• The sum of 18123811440849's digits is 54
• More coming soon!