21718403047072

Names of 21718403047072

• Cardinal: 21718403047072 can be written as Twenty-one trillion, seven hundred eighteen billion, four hundred three million, forty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1718403047072 × 10¹³

Factors of 21718403047072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 76336173

Divisors of 21718403047072

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 17 32 34 68 136 272 523 544 1046 2092 4184 8368 8891 16736 17782 35564 71128 142256 284512 76335631 152671262 305342524 610685048 1221370096 1297705727 2442740192 2595411454 5190822908 10381645816 20763291632 39923535013 41526583264 79847070026 159694140052 319388280104 638776560208 678700095221 1277553120416 1357400190442 2714800380884 5429600761768 10859201523536 21718403047072
• Sum of all divisors σ(n): 45359853904512
• Sum of proper divisors (its aliquot sum) s(n): 23641450857440
• 21718403047072 is an abundant number, because the sum of its proper divisors (23641450857440) is greater than itself. Its abundance is 1923047810368

Bases of 21718403047072

• Binary: 100111100000010110101101100101101111010100000₂
• Hexadecimal: 0x13C0B5B2DEA0
• Base-36: 7P5AOF6HS

Squares and roots of 21718403047072

• 21718403047072 squared (21718403047072²) is 471689030915066334247773184
• 21718403047072 cubed (21718403047072³) is 10244332486296215482159842348416331317248
• The square root of 21718403047072 is 4660300.7464188403
• The cube root of 21718403047072 is 27900.3271789559

Scales and comparisons

• 21,718,403,047,072 seconds is equal to 690,578 years, 1 week, 6 days, 15 hours, 17 minutes, 52 seconds.
• To count from 1 to 21,718,403,047,072 would take you about one million, seven hundred twenty-six thousand, four hundred forty-five 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 21718403047072 cubic inches would be around 2325 feet tall.

Recreational maths with 21718403047072

• 21718403047072 backwards is 27074030481712
• The number of decimal digits it has is: 14
• The sum of 21718403047072's digits is 46
• More coming soon!