1998974399205

Names of 1998974399205

• Cardinal: 1998974399205 can be written as One trillion, nine hundred ninety-eight billion, nine hundred seventy-four million, three hundred ninety-nine thousand, two hundred five.

Scientific notation

• Scientific notation: 1.998974399205 × 10¹²

Factors of 1998974399205

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 67086

Divisors of 1998974399205

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 15 17 21 35 51 85 105 119 255 357 595 1785 31481 35573 94443 106719 157405 177865 220367 249011 472215 533595 535177 604741 661101 747033 1101835 1245055 1605531 1814223 2675885 3023705 3305505 3735165 3746239 4233187 8027655 9071115 11238717 12699561 18731195 21165935 56193585 63497805 1119873613 3359620839 5599368065 7839115291 16798104195 19037851421 23517345873 39195576455 57113554263 95189257105 117586729365 133264959947 285567771315 399794879841 666324799735 1998974399205
• Sum of all divisors σ(n): 3870514948608
• Sum of proper divisors (its aliquot sum) s(n): 1871540549403
• 1998974399205 is a deficient number, because the sum of its proper divisors (1871540549403) is less than itself. Its deficiency is 127433849802

Bases of 1998974399205

• Binary: 11101000101101100001010001011001011100101₂
• Hexadecimal: 0x1D16C28B2E5
• Base-36: PIBDQTWL

Squares and roots of 1998974399205

• 1998974399205 squared (1998974399205²) is 3995898648676990704632025
• 1998974399205 cubed (1998974399205³) is 7987699100523158861899171784977540125
• The square root of 1998974399205 is 1413850.9112367541
• The cube root of 1998974399205 is 12597.0565039995

Scales and comparisons

• 1,998,974,399,205 seconds is equal to 63,561 years, 10 weeks, 3 days, 18 hours, 26 minutes, 45 seconds.
• To count from 1 to 1,998,974,399,205 would take you about one hundred fifty-eight thousand, nine 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 1998974399205 cubic inches would be around 1049.8 feet tall.

Recreational maths with 1998974399205

• 1998974399205 backwards is 5029934798991
• The number of decimal digits it has is: 13
• The sum of 1998974399205's digits is 75
• More coming soon!