1998452837029321009

Names of 1998452837029321009

• Cardinal: 1998452837029321009 can be written as One quintillion, nine hundred ninety-eight quadrillion, four hundred fifty-two trillion, eight hundred thirty-seven billion, twenty-nine million, three hundred twenty-one thousand and nine.

Scientific notation

• Scientific notation: 1.998452837029321009 × 10¹⁸

Factors of 1998452837029321009

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2000880

Divisors of 1998452837029321009

• Number of divisors d(n): 16
• Complete list of divisors:
  1 1867 11491 48029 1939493 21453697 89670143 551901239 3621033431 22286714063 93151909297 1030399613213 41609295155621 173914614657499 1070408589731827 1998452837029321009
• Sum of all divisors σ(n): 1999739919653161920
• Sum of proper divisors (its aliquot sum) s(n): 1287082623840911
• 1998452837029321009 is a deficient number, because the sum of its proper divisors (1287082623840911) is less than itself. Its deficiency is 1997165754405480098

Bases of 1998452837029321009

• Binary: 1101110111011111011100100010001011011100000010001100100110001₂
• Hexadecimal: 0x1BBBEE445B811931
• Base-36: F6LKEN502R01

Squares and roots of 1998452837029321009

• 1998452837029321009 squared (1998452837029321009²) is 3993813741830541876240364787568778081
• 1998452837029321009 cubed (1998452837029321009³) is 7981448402927934634488396898459847510697453027232003729
• The square root of 1998452837029321009 is 1413666451.8298936449
• The cube root of 1998452837029321009 is 1259596.0822184071

Scales and comparisons

• 1,998,452,837,029,321,009 seconds is equal to 63,544,618,597 years, 1 week, 5 days, 20 hours, 16 minutes, 49 seconds.
• To count from 1 to 1,998,452,837,029,321,009 would take you about two hundred twenty-two billion, four hundred six million, one hundred sixty-five thousand and eighty-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 1998452837029321009 cubic inches would be around 104966.3 feet tall.

Recreational maths with 1998452837029321009

• 1998452837029321009 backwards is 9001239207382548991
• The number of decimal digits it has is: 19
• The sum of 1998452837029321009's digits is 82
• More coming soon!