18232372431

Names of 18232372431

• Cardinal: 18232372431 can be written as Eighteen billion, two hundred thirty-two million, three hundred seventy-two thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.8232372431 × 10¹⁰

Factors of 18232372431

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7464

Divisors of 18232372431

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 53 57 63 91 117 133 159 171 189 247 273 351 371 399 477 513 689 741 819 1007 1113 1197 1431 1729 2067 2223 2457 3021 3339 3591 4823 5187 6201 6669 7049 7369 9063 10017 13091 14469 15561 18603 21147 22107 27189 39273 43407 46683 51583 63441 66321 91637 95797 117819 130221 140011 154749 190323 198963 274911 287391 353457 390557 420033 464247 670579 824733 862173 980077 1171671 1260099 1392741 1820143 2011737 2474199 2586519 2733899 2940231 3515013 3780297 5077241 5460429 6035211 7420583 8201697 8820693 10545039 12741001 15231723 16381287 18105633 22261749 24605091 26462079 35540687 38223003 45695169 49143861 51944081 66785247 73815273 96467579 106622061 114669009 137085507 155832243 200355741 289402737 319866183 344007027 467496729 675273053 868208211 959598549 1402490187 2025819159 2604624633 6077457477 18232372431
• Sum of all divisors σ(n): 35659008000
• Sum of proper divisors (its aliquot sum) s(n): 17426635569
• 18232372431 is a deficient number, because the sum of its proper divisors (17426635569) is less than itself. Its deficiency is 805736862

Bases of 18232372431

• Binary: 10000111110101110111110110011001111₂
• Hexadecimal: 0x43EBBECCF
• Base-36: 8DJ30LR

Squares and roots of 18232372431

• 18232372431 squared (18232372431²) is 332419404462688849761
• 18232372431 cubed (18232372431³) is 6060794385454966552513557338991
• The square root of 18232372431 is 135027.3025391531
• The cube root of 18232372431 is 2631.9707662499

Scales and comparisons

• 18,232,372,431 seconds is equal to 579 years, 38 weeks, 19 hours, 53 minutes, 51 seconds.
• To count from 1 to 18,232,372,431 would take you about one thousand, one hundred fifty-nine 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 18232372431 cubic inches would be around 219.3 feet tall.

Recreational maths with 18232372431

• 18232372431 backwards is 13427323281
• The number of decimal digits it has is: 11
• The sum of 18232372431's digits is 36
• More coming soon!