18145169046

Names of 18145169046

• Cardinal: 18145169046 can be written as Eighteen billion, one hundred forty-five million, one hundred sixty-nine thousand and forty-six.

Scientific notation

• Scientific notation: 1.8145169046 × 10¹⁰

Factors of 18145169046

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7684

Divisors of 18145169046

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 54 199 233 398 466 597 699 1194 1398 1791 2097 3582 4194 5373 6291 7247 10746 12582 14494 21741 43482 46367 65223 92734 130446 139101 195669 278202 391338 417303 834606 1251909 1442153 1688551 2503818 2884306 3377102 4326459 5065653 8652918 10131306 12979377 15196959 25958754 30393918 38938131 45590877 77876262 91181754 336021649 672043298 1008064947 2016129894 3024194841 6048389682 9072584523 18145169046
• Sum of all divisors σ(n): 40704768000
• Sum of proper divisors (its aliquot sum) s(n): 22559598954
• 18145169046 is an abundant number, because the sum of its proper divisors (22559598954) is greater than itself. Its abundance is 4414429908

Bases of 18145169046

• Binary: 10000111001100010010100111010010110₂
• Hexadecimal: 0x439894E96
• Base-36: 8C35Y1I

Squares and roots of 18145169046

• 18145169046 squared (18145169046²) is 329247159707916550116
• 18145169046 cubed (18145169046³) is 5974245370815505786315950909336
• The square root of 18145169046 is 134704.0053079343
• The cube root of 18145169046 is 2627.7679185599

Scales and comparisons

• 18,145,169,046 seconds is equal to 576 years, 49 weeks, 6 days, 12 hours, 44 minutes, 6 seconds.
• To count from 1 to 18,145,169,046 would take you about one thousand, one hundred fifty-three 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 18145169046 cubic inches would be around 219 feet tall.

Recreational maths with 18145169046

• 18145169046 backwards is 64096154181
• The number of decimal digits it has is: 11
• The sum of 18145169046's digits is 45
• More coming soon!