168640799745992

Names of 168640799745992

• Cardinal: 168640799745992 can be written as One hundred sixty-eight trillion, six hundred forty billion, seven hundred ninety-nine million, seven hundred forty-five thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.68640799745992 × 10¹⁴

Factors of 168640799745992

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 655910

Divisors of 168640799745992

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 98 196 392 655901 1311802 2623604 4591307 5247208 9182614 18365228 32139149 36730456 64278298 128556596 257113192 430206121801 860412243602 1720824487204 3011442852607 3441648974408 6022885705214 12045771410428 21080099968249 24091542820856 42160199936498 84320399872996 168640799745992
• Sum of all divisors σ(n): 367826794936065
• Sum of proper divisors (its aliquot sum) s(n): 199185995190073
• 168640799745992 is an abundant number, because the sum of its proper divisors (199185995190073) is greater than itself. Its abundance is 30545195444081

Bases of 168640799745992

• Binary: 100110010110000010111110111101101010011111001000₂
• Hexadecimal: 0x9960BEF6A7C8
• Base-36: 1NS0IHZQ2W

Squares and roots of 168640799745992

• 168640799745992 squared (168640799745992²) is 28439719338967775411720064064
• 168640799745992 cubed (168640799745992³) is 4796097013875080589800274283024021167231488
• The square root of 168640799745992 is 12986177.2568370559
• The cube root of 168640799745992 is 55248.5499911959

Scales and comparisons

• 168,640,799,745,992 seconds is equal to 5,362,255 years, 41 weeks, 1 day, 4 hours, 6 minutes, 32 seconds.
• To count from 1 to 168,640,799,745,992 would take you about thirteen million, four hundred five thousand, six hundred thirty-nine 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 168640799745992 cubic inches would be around 4604 feet tall.

Recreational maths with 168640799745992

• 168640799745992 backwards is 299547997046861
• The number of decimal digits it has is: 15
• The sum of 168640799745992's digits is 86
• More coming soon!