18021001363225

Names of 18021001363225

• Cardinal: 18021001363225 can be written as Eighteen trillion, twenty-one billion, one million, three hundred sixty-three thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.8021001363225 × 10¹³

Factors of 18021001363225

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17339

Divisors of 18021001363225

• Number of divisors d(n): 45
• Complete list of divisors:
  1 5 7 25 35 49 175 245 343 1225 1715 2401 8575 12005 17327 60025 86635 121289 433175 606445 849023 3032225 4245115 5943161 21225575 29715805 41602127 148579025 208010635 300224929 1040053175 1501124645 2101574503 7505623225 10507872515 14711021521 52539362575 73555107605 102977150647 367775538025 514885753235 720840054529 2574428766175 3604200272645 18021001363225
• Sum of all divisors σ(n): 26070335417567
• Sum of proper divisors (its aliquot sum) s(n): 8049334054342
• 18021001363225 is a deficient number, because the sum of its proper divisors (8049334054342) is less than itself. Its deficiency is 9971667308883

Bases of 18021001363225

• Binary: 100000110001111010111011000100111111100011001₂
• Hexadecimal: 0x1063D7627F19
• Base-36: 6DYQEX8GP

Squares and roots of 18021001363225

• 18021001363225 squared (18021001363225²) is 324756490133357308382400625
• 18021001363225 cubed (18021001363225³) is 5852437151409398316405258382723092015625
• 18021001363225 is a perfect square number. Its square root is 4245115
• The cube root of 18021001363225 is 26217.6024143671

Scales and comparisons

• 18,021,001,363,225 seconds is equal to 573,012 years, 5 weeks, 1 day, 16 hours, 25 seconds.
• To count from 1 to 18,021,001,363,225 would take you about one million, four hundred thirty-two thousand, five hundred thirty 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 18021001363225 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18021001363225

• 18021001363225 backwards is 52236310012081
• The number of decimal digits it has is: 14
• The sum of 18021001363225's digits is 34
• More coming soon!