21406348078941

Names of 21406348078941

• Cardinal: 21406348078941 can be written as Twenty-one trillion, four hundred six billion, three hundred forty-eight million, seventy-eight thousand, nine hundred forty-one.

Scientific notation

• Scientific notation: 2.1406348078941 × 10¹³

Factors of 21406348078941

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 25250971

Divisors of 21406348078941

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 21 49 73 79 147 219 237 511 553 1533 1659 3577 3871 5767 10731 11613 17301 40369 121107 282583 847749 25250809 75752427 176755663 530266989 1237289641 1843309057 1994813911 3711868923 5529927171 5984441733 12903163399 13963697377 38709490197 41891092131 90322143793 97745881639 145621415503 270966431379 293237644917 436864246509 1019349908521 3058049725563 7135449359647 21406348078941
• Sum of all divisors σ(n): 34082533305600
• Sum of proper divisors (its aliquot sum) s(n): 12676185226659
• 21406348078941 is a deficient number, because the sum of its proper divisors (12676185226659) is less than itself. Its deficiency is 8730162852282

Bases of 21406348078941

• Binary: 100110111100000001101110001011110111101011101₂
• Hexadecimal: 0x13780DC5EF5D
• Base-36: 7L5XUY82L

Squares and roots of 21406348078941

• 21406348078941 squared (21406348078941²) is 458231738076781041167681481
• 21406348078941 cubed (21406348078941³) is 9809068086089697322556888306259331791621
• The square root of 21406348078941 is 4626699.4800765913
• The cube root of 21406348078941 is 27766.0559428659

Scales and comparisons

• 21,406,348,078,941 seconds is equal to 680,655 years, 34 weeks, 7 hours, 42 minutes, 21 seconds.
• To count from 1 to 21,406,348,078,941 would take you about one million, seven hundred one thousand, six hundred thirty-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 21406348078941 cubic inches would be around 2313.8 feet tall.

Recreational maths with 21406348078941

• 21406348078941 backwards is 14987084360412
• The number of decimal digits it has is: 14
• The sum of 21406348078941's digits is 57
• More coming soon!