216128121686388

Names of 216128121686388

• Cardinal: 216128121686388 can be written as Two hundred sixteen trillion, one hundred twenty-eight billion, one hundred twenty-one million, six hundred eighty-six thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 2.16128121686388 × 10¹⁴

Factors of 216128121686388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8543445

Divisors of 216128121686388

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 108 241037 482074 723111 964148 1446222 2169333 2892444 4338666 6507999 8302403 8677332 13015998 16604806 24907209 26031996 33209612 49814418 74721627 99628836 149443254 224164881 298886508 448329762 896659524 2001186311911 4002372623822 6003558935733 8004745247644 12007117871466 18010676807199 24014235742932 36021353614398 54032030421597 72042707228796 108064060843194 216128121686388
• Sum of all divisors σ(n): 560334559498560
• Sum of proper divisors (its aliquot sum) s(n): 344206437812172
• 216128121686388 is an abundant number, because the sum of its proper divisors (344206437812172) is greater than itself. Its abundance is 128078316125784

Bases of 216128121686388

• Binary: 110001001001000100111111111010110100100101110100₂
• Hexadecimal: 0xC4913FEB4974
• Base-36: 24LZVZE0L0

Squares and roots of 216128121686388

• 216128121686388 squared (216128121686388²) is 46711364983686138905024486544
• 216128121686388 cubed (216128121686388³) is 10095639575331401243710301246486451093963072
• The square root of 216128121686388 is 14701296.5988169901
• The cube root of 216128121686388 is 60011.8607743227

Scales and comparisons

• 216,128,121,686,388 seconds is equal to 6,872,205 years, 38 weeks, 3 days, 21 hours, 19 minutes, 48 seconds.
• To count from 1 to 216,128,121,686,388 would take you about seventeen million, one hundred eighty thousand, five hundred fourteen 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 216128121686388 cubic inches would be around 5001 feet tall.

Recreational maths with 216128121686388

• 216128121686388 backwards is 883686121821612
• The number of decimal digits it has is: 15
• The sum of 216128121686388's digits is 63
• More coming soon!