1998886968009

Names of 1998886968009

• Cardinal: 1998886968009 can be written as One trillion, nine hundred ninety-eight billion, eight hundred eighty-six million, nine hundred sixty-eight thousand and nine.

Scientific notation

• Scientific notation: 1.998886968009 × 10¹²

Factors of 1998886968009

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 50990

Divisors of 1998886968009

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 27 53 81 159 477 1431 4293 11941 35823 38993 107469 116979 322407 350937 632873 967221 1052811 1898619 2066629 3158433 5695857 6199887 17087571 18599661 51262713 55798983 167396949 465615413 1396846239 4190538717 12571616151 24677616889 37714848453 74032850667 222098552001 666295656003 1998886968009
• Sum of all divisors σ(n): 3042663917832
• Sum of proper divisors (its aliquot sum) s(n): 1043776949823
• 1998886968009 is a deficient number, because the sum of its proper divisors (1043776949823) is less than itself. Its deficiency is 955110018186

Bases of 1998886968009

• Binary: 11101000101100110111100101001101011001001₂
• Hexadecimal: 0x1D166F29AC9
• Base-36: PI9XOVK9

Squares and roots of 1998886968009

• 1998886968009 squared (1998886968009²) is 3995549110876212989424081
• 1998886968009 cubed (1998886968009³) is 7986651047770409147750003253181224729
• The square root of 1998886968009 is 1413819.9913740787
• The cube root of 1998886968009 is 12596.8728445233

Scales and comparisons

• 1,998,886,968,009 seconds is equal to 63,558 years, 21 weeks, 6 days, 20 hours, 9 seconds.
• To count from 1 to 1,998,886,968,009 would take you about one hundred fifty-eight thousand, eight hundred ninety-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 1998886968009 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998886968009

• 1998886968009 backwards is 9008696888991
• 1998886968009 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998886968009's digits is 81
• More coming soon!