21421342973718

Names of 21421342973718

• Cardinal: 21421342973718 can be written as Twenty-one trillion, four hundred twenty-one billion, three hundred forty-two million, nine hundred seventy-three thousand, seven hundred eighteen.

Scientific notation

• Scientific notation: 2.1421342973718 × 10¹³

Factors of 21421342973718

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8311666

Divisors of 21421342973718

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 17 18 34 51 102 153 306 8431 16862 25293 50586 75879 143327 151758 286654 429981 859962 1289943 2579886 8303213 16606426 24909639 49819278 74728917 141154621 149457834 282309242 423463863 846927726 1270391589 2540783178 70004388803 140008777606 210013166409 420026332818 630039499227 1190074609651 1260078998454 2380149219302 3570223828953 7140447657906 10710671486859 21421342973718
• Sum of all divisors σ(n): 49148915714496
• Sum of proper divisors (its aliquot sum) s(n): 27727572740778
• 21421342973718 is an abundant number, because the sum of its proper divisors (27727572740778) is greater than itself. Its abundance is 6306229767060

Bases of 21421342973718

• Binary: 100110111101110001011100010011101111100010110₂
• Hexadecimal: 0x137B8B89DF16
• Base-36: 7LCTUIUXI

Squares and roots of 21421342973718

• 21421342973718 squared (21421342973718²) is 458873934797657527238743524
• 21421342973718 cubed (21421342973718³) is 9829695939000132733160932785744074702232
• The square root of 21421342973718 is 4628319.6706491655
• The cube root of 21421342973718 is 27772.5376947219

Scales and comparisons

• 21,421,342,973,718 seconds is equal to 681,132 years, 23 weeks, 1 day, 8 hours, 15 minutes, 18 seconds.
• To count from 1 to 21,421,342,973,718 would take you about one million, seven hundred two thousand, eight hundred thirty-one 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 21421342973718 cubic inches would be around 2314.4 feet tall.

Recreational maths with 21421342973718

• 21421342973718 backwards is 81737924312412
• The number of decimal digits it has is: 14
• The sum of 21421342973718's digits is 54
• More coming soon!