18028116723635985

Names of 18028116723635985

• Cardinal: 18028116723635985 can be written as Eighteen quadrillion, twenty-eight trillion, one hundred sixteen billion, seven hundred twenty-three million, six hundred thirty-five thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.8028116723635985 × 10¹⁶

Factors of 18028116723635985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1540940097

Divisors of 18028116723635985

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 15 409 1227 1907 2045 5721 6135 9535 28605 779963 2339889 3899815 11699445 1540937773 4622813319 7704688865 23114066595 630243549157 1890730647471 2938568333111 3151217745785 8815704999333 9453653237355 14692841665555 44078524996665 1201874448242399 3605623344727197 6009372241211995 18028116723635985
• Sum of all divisors σ(n): 28930675244273280
• Sum of proper divisors (its aliquot sum) s(n): 10902558520637295
• 18028116723635985 is a deficient number, because the sum of its proper divisors (10902558520637295) is less than itself. Its deficiency is 7125558202998690

Bases of 18028116723635985

• Binary: 1000000000011000111101000000101010010000001011100010001₂
• Hexadecimal: 0x400C7A05481711
• Base-36: 4XIFMHL2MFL

Squares and roots of 18028116723635985

• 18028116723635985 squared (18028116723635985²) is 325012992601043482357558786920225
• 18028116723635985 cubed (18028116723635985³) is 5859372167309850659639835671059274014522134296625
• The square root of 18028116723635985 is 134268822.6046388813
• The cube root of 18028116723635985 is 262210.5252127173

Scales and comparisons

• 18,028,116,723,635,985 seconds is equal to 573,238,347 years, 9 weeks, 4 days, 9 hours, 59 minutes, 45 seconds.
• To count from 1 to 18,028,116,723,635,985 would take you about one billion, seven hundred nineteen million, seven hundred fifteen thousand and forty-one 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 18028116723635985 cubic inches would be around 21850.9 feet tall.

Recreational maths with 18028116723635985

• 18028116723635985 backwards is 58953632761182081
• The number of decimal digits it has is: 17
• The sum of 18028116723635985's digits is 75
• More coming soon!