18344383398390721

Names of 18344383398390721

• Cardinal: 18344383398390721 can be written as Eighteen quadrillion, three hundred forty-four trillion, three hundred eighty-three billion, three hundred ninety-eight million, three hundred ninety thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.8344383398390721 × 10¹⁶

Factors of 18344383398390721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1421

Divisors of 18344383398390721

• Number of divisors d(n): 63
• Complete list of divisors:
  1 7 49 343 383 1031 2401 2681 7217 16807 18767 50519 117649 131369 146689 353633 394873 919583 1026823 1062961 2475431 2764111 6437081 7187761 7440727 17328017 19348777 45059567 50314327 52085089 121296119 135441439 151236359 352200289 364595623 407114063 948090073 1058654513 2465402023 2552169361 2849798441 6636630511 7410581591 17257814161 17865185527 19948589087 46456413577 51874071137 125056298689 139640123609 155924686129 363118497959 977480865263 1091472802903 2541829485713 6842366056841 7640309620321 17792806399991 47896562397887 53482167342247 374375171395729 2620626199770103 18344383398390721
• Sum of all divisors σ(n): 21478612574112673
• Sum of proper divisors (its aliquot sum) s(n): 3134229175721952
• 18344383398390721 is a deficient number, because the sum of its proper divisors (3134229175721952) is less than itself. Its deficiency is 15210154222668769

Bases of 18344383398390721

• Binary: 1000001001011000001111010011000000101011010101111000001₂
• Hexadecimal: 0x412C1E9815ABC1
• Base-36: 50MJHE5GHXD

Squares and roots of 18344383398390721

• 18344383398390721 squared (18344383398390721²) is 336516402267153098055452578899841
• 18344383398390721 cubed (18344383398390721³) is 6173185903035736877902934697371852832320042775361
• 18344383398390721 is a perfect square number. Its square root is 135441439
• The cube root of 18344383398390721 is 263734.9622309901

Scales and comparisons

• 18,344,383,398,390,721 seconds is equal to 583,294,649 years, 8 weeks, 4 days, 4 hours, 32 minutes, 1 second.
• To count from 1 to 18,344,383,398,390,721 would take you about one billion, seven hundred forty-nine million, eight hundred eighty-three thousand, nine hundred forty-seven 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 18344383398390721 cubic inches would be around 21977.9 feet tall.

Recreational maths with 18344383398390721

• 18344383398390721 backwards is 12709389338344381
• The number of decimal digits it has is: 17
• The sum of 18344383398390721's digits is 76
• More coming soon!