221009217821146370

Names of 221009217821146370

• Cardinal: 221009217821146370 can be written as Two hundred twenty-one quadrillion, nine trillion, two hundred seventeen billion, eight hundred twenty-one million, one hundred forty-six thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.2100921782114637 × 10¹⁷

Factors of 221009217821146370

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 408081243

Divisors of 221009217821146370

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 704569 1409138 3522845 4931983 7045690 7750259 9863966 15500518 24659915 38751295 49319830 54251813 77502590 108503626 271259065 407376649 542518130 814753298 2036883245 2851636543 4073766490 4481143139 5703273086 8962286278 14258182715 22405715695 28516365430 31368001973 44811431390 62736003946 156840009865 313680019730 287024958209281 574049916418562 1435124791046405 2009174707464967 2870249582092810 3157274540302091 4018349414929934 6314549080604182 10045873537324835 15786372701510455 20091747074649670 22100921782114637 31572745403020910 44201843564229274 110504608910573185 221009217821146370
• Sum of all divisors σ(n): 495979832949984000
• Sum of proper divisors (its aliquot sum) s(n): 274970615128837630
• 221009217821146370 is an abundant number, because the sum of its proper divisors (274970615128837630) is greater than itself. Its abundance is 53961397307691260

Bases of 221009217821146370

• Binary: 1100010001001011101011011001110000010100001111110100000010₂
• Hexadecimal: 0x3112EB67050FD02
• Base-36: 1OG5890XT1C2

Squares and roots of 221009217821146370

• 221009217821146370 squared (221009217821146370²) is 48845074361914922226465940964176900
• 221009217821146370 cubed (221009217821146370³) is 10795211679142547086553638924755787069855461472853000
• The square root of 221009217821146370 is 470116174.8133607559
• The cube root of 221009217821146370 is 604602.7652802735

Scales and comparisons

• 221,009,217,821,146,370 seconds is equal to 7,027,409,500 years, 16 weeks, 3 days, 2 hours, 52 minutes, 50 seconds.
• To count from 1 to 221,009,217,821,146,370 would take you about twenty-one billion, eighty-two million, two hundred twenty-eight thousand, five hundred 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 221009217821146370 cubic inches would be around 50383.6 feet tall.

Recreational maths with 221009217821146370

• 221009217821146370 backwards is 073641128712900122
• The number of decimal digits it has is: 18
• The sum of 221009217821146370's digits is 56
• More coming soon!