1668821997042

Names of 1668821997042

• Cardinal: 1668821997042 can be written as One trillion, six hundred sixty-eight billion, eight hundred twenty-one million, nine hundred ninety-seven thousand and forty-two.

Scientific notation

• Scientific notation: 1.668821997042 × 10¹²

Factors of 1668821997042

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17933

Divisors of 1668821997042

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 17 18 34 51 102 153 289 306 578 867 1734 2601 5202 17911 35822 53733 107466 161199 304487 322398 608974 913461 1826922 2740383 5176279 5480766 10352558 15528837 31057674 46586511 93173022 320803921 641607842 962411763 1924823526 2887235289 5453666657 5774470578 10907333314 16360999971 32721999942 49082999913 92712333169 98165999826 185424666338 278136999507 556273999014 834410998521 1668821997042
• Sum of all divisors σ(n): 3841199806509
• Sum of proper divisors (its aliquot sum) s(n): 2172377809467
• 1668821997042 is an abundant number, because the sum of its proper divisors (2172377809467) is greater than itself. Its abundance is 503555812425

Bases of 1668821997042

• Binary: 11000010010001101100010101101010111110010₂
• Hexadecimal: 0x1848D8AD5F2
• Base-36: LAN9J20I

Squares and roots of 1668821997042

• 1668821997042 squared (1668821997042²) is 2784966857811249056749764
• 1668821997042 cubed (1668821997042³) is 4647613953348352307977579948142198088
• The square root of 1668821997042 is 1291828.9348988897
• The cube root of 1668821997042 is 11861.4196668867

Scales and comparisons

• 1,668,821,997,042 seconds is equal to 53,063 years, 19 weeks, 4 days, 9 hours, 50 minutes, 42 seconds.
• To count from 1 to 1,668,821,997,042 would take you about one hundred thirty-two thousand, six hundred fifty-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 1668821997042 cubic inches would be around 988.5 feet tall.

Recreational maths with 1668821997042

• 1668821997042 backwards is 2407991288661
• The number of decimal digits it has is: 13
• The sum of 1668821997042's digits is 63
• More coming soon!