168444132646728

Names of 168444132646728

• Cardinal: 168444132646728 can be written as One hundred sixty-eight trillion, four hundred forty-four billion, one hundred thirty-two million, six hundred forty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.68444132646728 × 10¹⁴

Factors of 168444132646728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1344799242

Divisors of 168444132646728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 307 408 614 921 1228 1842 2456 3684 5219 7368 10438 15657 20876 31314 41752 62628 125256 1344798913 2689597826 4034396739 5379195652 8068793478 10758391304 16137586956 22861581521 32275173912 45723163042 68584744563 91446326084 137169489126 182892652168 274338978252 412853266291 548677956504 825706532582 1238559798873 1651413065164 2477119597746 3302826130328 4954239195492 7018505526947 9908478390984 14037011053894 21055516580841 28074022107788 42111033161682 56148044215576 84222066323364 168444132646728
• Sum of all divisors σ(n): 447333910752960
• Sum of proper divisors (its aliquot sum) s(n): 278889778106232
• 168444132646728 is an abundant number, because the sum of its proper divisors (278889778106232) is greater than itself. Its abundance is 110445645459504

Bases of 168444132646728

• Binary: 100110010011001011110100101100001101111101001000₂
• Hexadecimal: 0x9932F4B0DF48
• Base-36: 1NPI5ZH93C

Squares and roots of 168444132646728

• 168444132646728 squared (168444132646728²) is 28373425823108497618449105984
• 168444132646728 cubed (168444132646728³) is 4779337102989785358891039291435239302820352
• The square root of 168444132646728 is 12978602.8773026259
• The cube root of 168444132646728 is 55227.0648808477

Scales and comparisons

• 168,444,132,646,728 seconds is equal to 5,356,002 years, 20 weeks, 14 hours, 18 minutes, 48 seconds.
• To count from 1 to 168,444,132,646,728 would take you about thirteen million, three hundred ninety thousand and 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 168444132646728 cubic inches would be around 4602.3 feet tall.

Recreational maths with 168444132646728

• 168444132646728 backwards is 827646231444861
• The number of decimal digits it has is: 15
• The sum of 168444132646728's digits is 66
• More coming soon!