18012931029431

Names of 18012931029431

• Cardinal: 18012931029431 can be written as Eighteen trillion, twelve billion, nine hundred thirty-one million, twenty-nine thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.8012931029431 × 10¹³

Factors of 18012931029431

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9246

Divisors of 18012931029431

• Number of divisors d(n): 96
• Complete list of divisors:
  1 13 19 29 113 131 247 361 377 551 1469 1703 2147 2489 3277 3799 4693 7163 8941 10469 14803 27911 32357 40793 42601 47291 49387 62263 72181 116233 136097 169879 192439 259289 281257 429287 530309 614783 809419 938353 1010333 1171271 1182997 1371439 2208427 3227701 3370757 3656341 4926491 5343883 5580731 8156453 13134329 15226523 15378961 17828707 19196327 22254149 29299657 33966859 41960113 64044383 69470479 93603329 106033889 132353623 154972607 249552251 289303937 364730213 380895541 422828831 441569167 556693483 645370321 1216843277 1720597099 2014643891 2514718837 3838255067 4741492769 5496774803 7237015279 8389814173 10577176177 12262036099 32691344881 47779657903 49897315871 72926846273 137503290301 159406469287 621135552739 948049001549 1385610079187 18012931029431
• Sum of all divisors σ(n): 21532165744320
• Sum of proper divisors (its aliquot sum) s(n): 3519234714889
• 18012931029431 is a deficient number, because the sum of its proper divisors (3519234714889) is less than itself. Its deficiency is 14493696314542

Bases of 18012931029431

• Binary: 100000110000111110110010110101111100110110111₂
• Hexadecimal: 0x1061F65AF9B7
• Base-36: 6DV0Y1Z1Z

Squares and roots of 18012931029431

• 18012931029431 squared (18012931029431²) is 324465684271038145388183761
• 18012931029431 cubed (18012931029431³) is 5844577992191344965026245959133127269991
• The square root of 18012931029431 is 4244164.3499552417
• The cube root of 18012931029431 is 26213.6881591605

Scales and comparisons

• 18,012,931,029,431 seconds is equal to 572,755 years, 25 weeks, 3 days, 37 minutes, 11 seconds.
• To count from 1 to 18,012,931,029,431 would take you about one million, four hundred thirty-one thousand, eight hundred eighty-eight 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 18012931029431 cubic inches would be around 2184.5 feet tall.

Recreational maths with 18012931029431

• 18012931029431 backwards is 13492013921081
• The number of decimal digits it has is: 14
• The sum of 18012931029431's digits is 44
• More coming soon!