21306791296512

Names of 21306791296512

• Cardinal: 21306791296512 can be written as Twenty-one trillion, three hundred six billion, seven hundred ninety-one million, two hundred ninety-six thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1306791296512 × 10¹³

Factors of 21306791296512

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4623869644

Divisors of 21306791296512

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1152 1536 2304 4608 4623869639 9247739278 13871608917 18495478556 27743217834 36990957112 41614826751 55486435668 73981914224 83229653502 110972871336 147963828448 166459307004 221945742672 295927656896 332918614008 443891485344 591855313792 665837228016 887782970688 1183710627584 1331674456032 1775565941376 2367421255168 2663348912064 3551131882752 5326697824128 7102263765504 10653395648256 21306791296512
• Sum of all divisors σ(n): 61492842342360
• Sum of proper divisors (its aliquot sum) s(n): 40186051045848
• 21306791296512 is an abundant number, because the sum of its proper divisors (40186051045848) is greater than itself. Its abundance is 18879259749336

Bases of 21306791296512

• Binary: 100110110000011011111101110011111111000000000₂
• Hexadecimal: 0x1360DFB9FE00
• Base-36: 7JW7DEV40

Squares and roots of 21306791296512

• 21306791296512 squared (21306791296512²) is 453979355353119513903366144
• 21306791296512 cubed (21306791296512³) is 9672843377433975295224789933198806089728
• The square root of 21306791296512 is 4615927.9994939261
• The cube root of 21306791296512 is 27722.9441878223

Scales and comparisons

• 21,306,791,296,512 seconds is equal to 677,490 years, 2 weeks, 6 days, 17 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,306,791,296,512 would take you about one million, six hundred ninety-three thousand, seven hundred twenty-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 21306791296512 cubic inches would be around 2310.2 feet tall.

Recreational maths with 21306791296512

• 21306791296512 backwards is 21569219760312
• The number of decimal digits it has is: 14
• The sum of 21306791296512's digits is 54
• More coming soon!