1988920966784

Names of 1988920966784

• Cardinal: 1988920966784 can be written as One trillion, nine hundred eighty-eight billion, nine hundred twenty million, nine hundred sixty-six thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.988920966784 × 10¹²

Factors of 1988920966784

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 155269

Divisors of 1988920966784

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 128 248 496 992 1984 3299 3968 6598 13196 26392 52784 102269 105568 151937 204538 211136 303874 409076 422272 607748 818152 1215496 1636304 2430992 3272608 4710047 4861984 6545216 9420094 9723968 13090432 18840188 19447936 37680376 75360752 150721504 301443008 501240163 602886016 1002480326 2004960652 4009921304 8019842608 15538445053 16039685216 31076890106 32079370432 62153780212 64158740864 124307560424 248615120848 497230241696 994460483392 1988920966784
• Sum of all divisors σ(n): 4091386464000
• Sum of proper divisors (its aliquot sum) s(n): 2102465497216
• 1988920966784 is an abundant number, because the sum of its proper divisors (2102465497216) is greater than itself. Its abundance is 113544530432

Bases of 1988920966784

• Binary: 11100111100010100111011010111111010000000₂
• Hexadecimal: 0x1CF14ED7E80
• Base-36: PDP46VSW

Squares and roots of 1988920966784

• 1988920966784 squared (1988920966784²) is 3955806612113001231302656
• 1988920966784 cubed (1988920966784³) is 7867786711374330094018260975226978304
• The square root of 1988920966784 is 1410291.0929251451
• The cube root of 1988920966784 is 12575.9028962691

Scales and comparisons

• 1,988,920,966,784 seconds is equal to 63,241 years, 27 weeks, 5 days, 14 hours, 19 minutes, 44 seconds.
• To count from 1 to 1,988,920,966,784 would take you about one hundred fifty-eight 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 1988920966784 cubic inches would be around 1048 feet tall.

Recreational maths with 1988920966784

• 1988920966784 backwards is 4876690298891
• The number of decimal digits it has is: 13
• The sum of 1988920966784's digits is 77
• More coming soon!