1821997852143

Names of 1821997852143

• Cardinal: 1821997852143 can be written as One trillion, eight hundred twenty-one billion, nine hundred ninety-seven million, eight hundred fifty-two thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 1.821997852143 × 10¹²

Factors of 1821997852143

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 262

Divisors of 1821997852143

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 57 133 233 361 399 699 1083 1631 2527 4427 4893 6859 7581 13281 20577 30989 48013 54289 84113 92967 144039 162867 252339 380023 588791 1031491 1140069 1598147 1766373 3094473 4794441 7220437 11187029 12649337 19598329 21661311 33561087 37948011 58794987 88545359 137188303 240337403 265636077 372368251 411564909 721012209 1117104753 1682361821 2606577757 4566410657 5047085463 7819733271 13699231971 31964874599 86761802483 95894623797 260285407449 607332617381 1821997852143
• Sum of all divisors σ(n): 2943230284800
• Sum of proper divisors (its aliquot sum) s(n): 1121232432657
• 1821997852143 is a deficient number, because the sum of its proper divisors (1121232432657) is less than itself. Its deficiency is 700765419486

Bases of 1821997852143

• Binary: 11010100000110111100010001110010111101111₂
• Hexadecimal: 0x1A83788E5EF
• Base-36: N90IH88F

Squares and roots of 1821997852143

• 1821997852143 squared (1821997852143²) is 3319676173213705289692449
• 1821997852143 cubed (1821997852143³) is 6048442857405664667550239675045568207
• The square root of 1821997852143 is 1349814.0064997843
• The cube root of 1821997852143 is 12213.7573288393

Scales and comparisons

• 1,821,997,852,143 seconds is equal to 57,933 years, 46 weeks, 4 days, 2 hours, 29 minutes, 3 seconds.
• To count from 1 to 1,821,997,852,143 would take you about one hundred forty-four thousand, eight hundred thirty-four 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 1821997852143 cubic inches would be around 1017.8 feet tall.

Recreational maths with 1821997852143

• 1821997852143 backwards is 3412587991281
• The number of decimal digits it has is: 13
• The sum of 1821997852143's digits is 60
• More coming soon!