18816117399

Names of 18816117399

• Cardinal: 18816117399 can be written as Eighteen billion, eight hundred sixteen million, one hundred seventeen thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8816117399 × 10¹⁰

Factors of 18816117399

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 238

Divisors of 18816117399

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 31 53 93 151 159 279 453 477 837 1359 1431 1643 2809 4077 4681 4929 8003 8427 14043 14787 24009 25281 42129 44361 72027 75843 87079 126387 148877 216081 248093 261237 424159 446631 744279 783711 1272477 1339893 2232837 2351133 3817431 4019679 4615187 6698511 11452293 13148929 13845561 22480427 39446787 41536683 67441281 118340361 124610049 202323843 355021083 606971529 696893237 2090679711 6272039133 18816117399
• Sum of all divisors σ(n): 29522534400
• Sum of proper divisors (its aliquot sum) s(n): 10706417001
• 18816117399 is a deficient number, because the sum of its proper divisors (10706417001) is less than itself. Its deficiency is 8109700398

Bases of 18816117399

• Binary: 10001100001100001110010101010010111₂
• Hexadecimal: 0x461872A97
• Base-36: 8N6MP3R

Squares and roots of 18816117399

• 18816117399 squared (18816117399²) is 354046273972950525201
• 18816117399 cubed (18816117399³) is 6661776255753555232600724072199
• The square root of 18816117399 is 137171.8535232355
• The cube root of 18816117399 is 2659.7654361443

Scales and comparisons

• 18,816,117,399 seconds is equal to 598 years, 15 weeks, 2 days, 3 hours, 16 minutes, 39 seconds.
• To count from 1 to 18,816,117,399 would take you about one thousand, one hundred ninety-six 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 18816117399 cubic inches would be around 221.6 feet tall.

Recreational maths with 18816117399

• 18816117399 backwards is 99371161881
• The number of decimal digits it has is: 11
• The sum of 18816117399's digits is 54
• More coming soon!