21027418822245

Names of 21027418822245

• Cardinal: 21027418822245 can be written as Twenty-one trillion, twenty-seven billion, four hundred eighteen million, eight hundred twenty-two thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 2.1027418822245 × 10¹³

Factors of 21027418822245

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 246496975

Divisors of 21027418822245

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 11 15 33 47 55 121 141 165 235 363 517 605 705 1551 1815 2585 5687 7755 17061 28435 85305 246496909 739490727 1232484545 2711465999 3697453635 8134397997 11585354723 13557329995 29826125989 34756064169 40671989985 57926773615 89478377967 127438901953 149130629945 173780320845 382316705859 447391889835 637194509765 1401827921483 1911583529295 4205483764449 7009139607415 21027418822245
• Sum of all divisors σ(n): 37767270562560
• Sum of proper divisors (its aliquot sum) s(n): 16739851740315
• 21027418822245 is a deficient number, because the sum of its proper divisors (16739851740315) is less than itself. Its deficiency is 4287567081930

Bases of 21027418822245

• Binary: 100110001111111010011110101000101011001100101₂
• Hexadecimal: 0x131FD3D45665
• Base-36: 7GBV296CL

Squares and roots of 21027418822245

• 21027418822245 squared (21027418822245²) is 442152342326103302906840025
• 21027418822245 cubed (21027418822245³) is 9297322485327619177329550563440126356125
• The square root of 21027418822245 is 4585566.3578499221
• The cube root of 21027418822245 is 27601.2439150233

Scales and comparisons

• 21,027,418,822,245 seconds is equal to 668,606 years, 45 weeks, 4 days, 50 minutes, 45 seconds.
• To count from 1 to 21,027,418,822,245 would take you about one million, six hundred seventy-one thousand, five hundred seventeen 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 21027418822245 cubic inches would be around 2300.1 feet tall.

Recreational maths with 21027418822245

• 21027418822245 backwards is 54222881472012
• The number of decimal digits it has is: 14
• The sum of 21027418822245's digits is 48
• More coming soon!