1998161234188011

Names of 1998161234188011

• Cardinal: 1998161234188011 can be written as One quadrillion, nine hundred ninety-eight trillion, one hundred sixty-one billion, two hundred thirty-four million, one hundred eighty-eight thousand and eleven.

Scientific notation

• Scientific notation: 1.998161234188011 × 10¹⁵

Factors of 1998161234188011

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 18602310

Divisors of 1998161234188011

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 27 881 2643 4517 7929 13551 23787 40653 121959 3979477 11938431 18596909 35815293 55790727 107445879 167372181 502116543 16383876829 49151630487 84002237953 147454891461 252006713859 442364674383 756020141577 2268060424731 74005971636593 222017914909779 666053744729337 1998161234188011
• Sum of all divisors σ(n): 2964255213326400
• Sum of proper divisors (its aliquot sum) s(n): 966093979138389
• 1998161234188011 is a deficient number, because the sum of its proper divisors (966093979138389) is less than itself. Its deficiency is 1032067255049622

Bases of 1998161234188011

• Binary: 111000110010101000100101010100100010101011011101011₂
• Hexadecimal: 0x719512A9156EB
• Base-36: JOAELJUACR

Squares and roots of 1998161234188011

• 1998161234188011 squared (1998161234188011²) is 3992648317811755339566496136121
• 1998161234188011 cubed (1998161234188011³) is 7977955090397423031894384877555005838362245331
• The square root of 1998161234188011 is 44700796.7958962785
• The cube root of 1998161234188011 is 125953.4814879331

Scales and comparisons

• 1,998,161,234,188,011 seconds is equal to 63,535,346 years, 27 weeks, 3 days, 10 hours, 26 minutes, 51 seconds.
• To count from 1 to 1,998,161,234,188,011 would take you about one hundred ninety million, six hundred six thousand and thirty-nine 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 1998161234188011 cubic inches would be around 10496.1 feet tall.

Recreational maths with 1998161234188011

• 1998161234188011 backwards is 1108814321618991
• The number of decimal digits it has is: 16
• The sum of 1998161234188011's digits is 63
• More coming soon!