18040787548355

Names of 18040787548355

• Cardinal: 18040787548355 can be written as Eighteen trillion, forty billion, seven hundred eighty-seven million, five hundred forty-eight thousand, three hundred fifty-five.

Scientific notation

• Scientific notation: 1.8040787548355 × 10¹³

Factors of 18040787548355

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 622

Divisors of 18040787548355

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 11 13 55 65 121 143 593 605 715 1331 1573 2965 6523 6655 7709 7865 17303 32615 38545 71753 84799 86515 351649 358765 423995 789283 932789 1758245 3868139 3946415 4571437 4663945 10260679 19340695 22857185 42549529 50285807 51303395 208527857 212747645 251429035 468044819 553143877 1042639285 2293806427 2340224095 2710862141 2765719385 6084582647 11469032135 13554310705 25231870697 29819483551 30422913235 126159353485 149097417755 277550577667 328014319061 1387752888335 1640071595305 3608157509671 18040787548355
• Sum of all divisors σ(n): 25687239177600
• Sum of proper divisors (its aliquot sum) s(n): 7646451629245
• 18040787548355 is a deficient number, because the sum of its proper divisors (7646451629245) is less than itself. Its deficiency is 10394335919110

Bases of 18040787548355

• Binary: 100000110100001110010101110111011100011000011₂
• Hexadecimal: 0x106872BBB8C3
• Base-36: 6E7TN3UMB

Squares and roots of 18040787548355

• 18040787548355 squared (18040787548355²) is 325470015364880811463206025
• 18040787548355 cubed (18040787548355³) is 5871735400557652275404075604048014838875
• The square root of 18040787548355 is 4247444.8258164579
• The cube root of 18040787548355 is 26227.1941232765

Scales and comparisons

• 18,040,787,548,355 seconds is equal to 573,641 years, 12 weeks, 3 days, 10 hours, 32 minutes, 35 seconds.
• To count from 1 to 18,040,787,548,355 would take you about one million, four hundred thirty-four thousand, one hundred 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 18040787548355 cubic inches would be around 2185.6 feet tall.

Recreational maths with 18040787548355

• 18040787548355 backwards is 55384578704081
• 18040787548355 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18040787548355's digits is 65
• More coming soon!