18178121194545169

Names of 18178121194545169

• Cardinal: 18178121194545169 can be written as Eighteen quadrillion, one hundred seventy-eight trillion, one hundred twenty-one billion, one hundred ninety-four million, five hundred forty-five thousand, one hundred sixty-nine.

Scientific notation

• Scientific notation: 1.8178121194545169 × 10¹⁶

Factors of 18178121194545169

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 995

Divisors of 18178121194545169

• Number of divisors d(n): 45
• Complete list of divisors:
  1 11 13 121 143 169 971 1573 1859 10681 12623 20449 117491 138853 164099 942841 1527383 1805089 10371251 12256933 19855979 114083761 134826263 159340129 915498611 1483088893 1752741419 10070484721 11901481943 19280155609 110775331931 130916301373 154719265259 888949151281 1440079315103 1701911917849 9778440664091 11556338966653 18721031096339 107562847305001 127119728633183 150232406566489 1398317014965013 1652556472231379 18178121194545169
• Sum of all divisors σ(n): 21658438685185995
• Sum of proper divisors (its aliquot sum) s(n): 3480317490640826
• 18178121194545169 is a deficient number, because the sum of its proper divisors (3480317490640826) is less than itself. Its deficiency is 14697803703904343

Bases of 18178121194545169

• Binary: 1000000100101001110011110101000011111000010000000010001₂
• Hexadecimal: 0x4094E7A87C2011
• Base-36: 4YZLTLA1US1

Squares and roots of 18178121194545169

• 18178121194545169 squared (18178121194545169²) is 330444090163572281942720781238561
• 18178121194545169 cubed (18178121194545169³) is 6006852719014628099324300664831354429748879061809
• 18178121194545169 is a perfect square number. Its square root is 134826263
• The cube root of 18178121194545169 is 262935.7657301371

Scales and comparisons

• 18,178,121,194,545,169 seconds is equal to 578,008,025 years, 19 weeks, 3 hours, 52 minutes, 49 seconds.
• To count from 1 to 18,178,121,194,545,169 would take you about one billion, seven hundred thirty-four million, twenty-four thousand and seventy-six 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 18178121194545169 cubic inches would be around 21911.3 feet tall.

Recreational maths with 18178121194545169

• 18178121194545169 backwards is 96154549112187181
• The number of decimal digits it has is: 17
• The sum of 18178121194545169's digits is 73
• More coming soon!