1998291568977

Names of 1998291568977

• Cardinal: 1998291568977 can be written as One trillion, nine hundred ninety-eight billion, two hundred ninety-one million, five hundred sixty-eight thousand, nine hundred seventy-seven.

Scientific notation

• Scientific notation: 1.998291568977 × 10¹²

Factors of 1998291568977

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 140981

Divisors of 1998291568977

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 17 27 33 51 53 99 153 159 187 297 459 477 561 583 901 1431 1683 1749 2703 2809 5049 5247 8109 8427 9911 15741 24327 25281 29733 30899 47753 75843 89199 92697 140897 143259 267597 278091 422691 429777 525283 834273 1268073 1289331 1549867 1575849 2395249 3804219 4649601 4727547 7185747 7467541 13948803 14182641 21557241 22402623 26347739 41846409 64671723 67207869 79043217 82142951 126948197 201623607 237129651 246428853 380844591 395779673 711388953 739286559 1142533773 1187339019 1396430167 2217859677 3427601319 3562017057 4189290501 4353576403 6728254441 10686051171 12567871503 13060729209 20184763323 37703614509 39182187627 60554289969 74010798851 117546562881 181662869907 222032396553 666097189659 1998291568977
• Sum of all divisors σ(n): 3485298015360
• Sum of proper divisors (its aliquot sum) s(n): 1487006446383
• 1998291568977 is a deficient number, because the sum of its proper divisors (1487006446383) is less than itself. Its deficiency is 511285122594

Bases of 1998291568977

• Binary: 11101000101000011011101011000100101010001₂
• Hexadecimal: 0x1D143758951
• Base-36: PI037EQ9

Squares and roots of 1998291568977

• 1998291568977 squared (1998291568977²) is 3993169194644560348826529
• 1998291568977 cubed (1998291568977³) is 7979516335156902005294927056210990833
• The square root of 1998291568977 is 1413609.4117460453
• The cube root of 1998291568977 is 12595.6219966229

Scales and comparisons

• 1,998,291,568,977 seconds is equal to 63,539 years, 25 weeks, 3 days, 15 hours, 22 minutes, 57 seconds.
• To count from 1 to 1,998,291,568,977 would take you about one hundred fifty-eight thousand, eight hundred forty-eight 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 1998291568977 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1998291568977

• 1998291568977 backwards is 7798651928991
• The number of decimal digits it has is: 13
• The sum of 1998291568977's digits is 81
• More coming soon!