18040194390625

Names of 18040194390625

• Cardinal: 18040194390625 can be written as Eighteen trillion, forty billion, one hundred ninety-four million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.8040194390625 × 10¹³

Factors of 18040194390625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3105

Divisors of 18040194390625

• Number of divisors d(n): 63
• Complete list of divisors:
  1 5 11 25 55 121 125 275 605 625 1375 3025 3089 3125 6875 15125 15445 15625 33979 34375 75625 77225 169895 171875 373769 378125 386125 849475 1868845 1890625 1930625 4247375 9344225 9541921 9653125 21236875 46721125 47709605 48265625 104961131 106184375 233605625 238548025 524805655 530921875 1154572441 1168028125 1192740125 2624028275 5772862205 5840140625 5963700625 13120141375 28864311025 29818503125 65600706875 144321555125 149092515625 328003534375 721607775625 1640017671875 3608038878125 18040194390625
• Sum of all divisors σ(n): 24794340108853
• Sum of proper divisors (its aliquot sum) s(n): 6754145718228
• 18040194390625 is a deficient number, because the sum of its proper divisors (6754145718228) is less than itself. Its deficiency is 11286048672397

Bases of 18040194390625

• Binary: 100000110100001001111011000001101101001100001₂
• Hexadecimal: 0x10684F60DA61
• Base-36: 6E7JTYF6P

Squares and roots of 18040194390625

• 18040194390625 squared (18040194390625²) is 325448613651537715087890625
• 18040194390625 cubed (18040194390625³) is 5871156254433153486134193881988525390625
• 18040194390625 is a perfect square number. Its square root is 4247375
• The cube root of 18040194390625 is 26226.9066814009

Scales and comparisons

• 18,040,194,390,625 seconds is equal to 573,622 years, 19 weeks, 5 days, 4 hours, 30 minutes, 25 seconds.
• To count from 1 to 18,040,194,390,625 would take you about one million, four hundred thirty-four thousand and fifty-five 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 18040194390625 cubic inches would be around 2185.6 feet tall.

Recreational maths with 18040194390625

• 18040194390625 backwards is 52609349104081
• The number of decimal digits it has is: 14
• The sum of 18040194390625's digits is 52
• More coming soon!