221998331523326121

Names of 221998331523326121

• Cardinal: 221998331523326121 can be written as Two hundred twenty-one quadrillion, nine hundred ninety-eight trillion, three hundred thirty-one billion, five hundred twenty-three million, three hundred twenty-six thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 2.21998331523326121 × 10¹⁷

Factors of 221998331523326121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2574747

Divisors of 221998331523326121

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 61 183 549 3721 11163 33489 2574683 7724049 23172147 157055663 471166989 1413500967 9580395443 28741186329 86223558987 6628992550489 19886977651467 59660932954401 404368545579829 1213105636739487 3639316910218461 24666481280369569 73999443841108707 221998331523326121
• Sum of all divisors σ(n): 326007351260882967
• Sum of proper divisors (its aliquot sum) s(n): 104009019737556846
• 221998331523326121 is a deficient number, because the sum of its proper divisors (104009019737556846) is less than itself. Its deficiency is 117989311785769275

Bases of 221998331523326121

• Binary: 1100010100101100100100111001101011001011010110000010101001₂
• Hexadecimal: 0x314B24E6B2D60A9
• Base-36: 1OPVU9L5XBC9

Squares and roots of 221998331523326121

• 221998331523326121 squared (221998331523326121²) is 49283259199140612135278330920906641
• 221998331523326121 cubed (221998331523326121³) is 10940801314240829395273958767227703485008601237669561
• 221998331523326121 is a perfect square number. Its square root is 471166989
• The cube root of 221998331523326121 is 605503.3777241981

Scales and comparisons

• 221,998,331,523,326,121 seconds is equal to 7,058,860,256 years, 26 weeks, 5 days, 19 hours, 55 minutes, 21 seconds.
• To count from 1 to 221,998,331,523,326,121 would take you about twenty-one billion, one hundred seventy-six million, five hundred eighty thousand, seven hundred sixty-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 221998331523326121 cubic inches would be around 50458.6 feet tall.

Recreational maths with 221998331523326121

• 221998331523326121 backwards is 121623325133899122
• The number of decimal digits it has is: 18
• The sum of 221998331523326121's digits is 63
• More coming soon!