21643600688046

Names of 21643600688046

• Cardinal: 21643600688046 can be written as Twenty-one trillion, six hundred forty-three billion, six hundred million, six hundred eighty-eight thousand and forty-six.

Scientific notation

• Scientific notation: 2.1643600688046 × 10¹³

Factors of 21643600688046

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 145798

Divisors of 21643600688046

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 27 37 54 74 81 111 162 222 333 666 999 1998 2997 5994 31643 63286 94929 114113 189858 228226 284787 342339 569574 684678 854361 1027017 1170791 1708722 2054034 2341582 2563083 3081051 3512373 4222181 5126166 6162102 7024746 8444362 9243153 10537119 12666543 18486306 21074238 25333086 31611357 37999629 63222714 75999258 94834071 113998887 189668142 227997774 341996661 683993322 3610877659 7221755318 10832632977 21665265954 32497898931 64995797862 97493696793 133602473383 194987393586 267204946766 292481090379 400807420149 584962180758 801614840298 1202422260447 2404844520894 3607266781341 7214533562682 10821800344023 21643600688046
• Sum of all divisors σ(n): 49810457000304
• Sum of proper divisors (its aliquot sum) s(n): 28166856312258
• 21643600688046 is an abundant number, because the sum of its proper divisors (28166856312258) is greater than itself. Its abundance is 6523255624212

Bases of 21643600688046

• Binary: 100111010111101001011001000010111001110101110₂
• Hexadecimal: 0x13AF4B2173AE
• Base-36: 7O6XL10VI

Squares and roots of 21643600688046

• 21643600688046 squared (21643600688046²) is 468445450743585284607298116
• 21643600688046 cubed (21643600688046³) is 10138846280025881068247398236370639521336
• The square root of 21643600688046 is 4652268.3379235553
• The cube root of 21643600688046 is 27868.2589692913

Scales and comparisons

• 21,643,600,688,046 seconds is equal to 688,199 years, 28 weeks, 5 days, 14 hours, 14 minutes, 6 seconds.
• To count from 1 to 21,643,600,688,046 would take you about one million, seven hundred twenty thousand, four hundred ninety-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 21643600688046 cubic inches would be around 2322.4 feet tall.

Recreational maths with 21643600688046

• 21643600688046 backwards is 64088600634612
• 21643600688046 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21643600688046's digits is 54
• More coming soon!