21061640989118

Names of 21061640989118

• Cardinal: 21061640989118 can be written as Twenty-one trillion, sixty-one billion, six hundred forty million, nine hundred eighty-nine thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 2.1061640989118 × 10¹³

Factors of 21061640989118

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 978

Divisors of 21061640989118

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 23 46 529 953 1058 1906 12167 21919 24334 43838 504137 908209 1008274 1816418 11595151 20888807 23190302 41777614 480442561 865523177 960885122 1731046354 11050178903 19907033071 22100357806 39814066142 457861760633 915723521266 10530820494559 21061640989118
• Sum of all divisors σ(n): 33063058094400
• Sum of proper divisors (its aliquot sum) s(n): 12001417105282
• 21061640989118 is a deficient number, because the sum of its proper divisors (12001417105282) is less than itself. Its deficiency is 9060223883836

Bases of 21061640989118

• Binary: 100110010011111001011101000010010100110111110₂
• Hexadecimal: 0x1327CBA129BE
• Base-36: 7GRL18ZB2

Squares and roots of 21061640989118

• 21061640989118 squared (21061640989118²) is 443592721154495445394417924
• 21061640989118 cubed (21061640989118³) is 9342790638341912615429114282471228151032
• The square root of 21061640989118 is 4589296.3501083693
• The cube root of 21061640989118 is 27616.2094926457

Scales and comparisons

• 21,061,640,989,118 seconds is equal to 669,695 years, 1 week, 5 days, 22 hours, 18 minutes, 38 seconds.
• To count from 1 to 21,061,640,989,118 would take you about one million, six hundred seventy-four thousand, two hundred thirty-seven 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 21061640989118 cubic inches would be around 2301.4 feet tall.

Recreational maths with 21061640989118

• 21061640989118 backwards is 81198904616012
• The number of decimal digits it has is: 14
• The sum of 21061640989118's digits is 56
• More coming soon!