168322728

Names of 168322728

• Cardinal: 168322728 can be written as One hundred sixty-eight million, three hundred twenty-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.68322728 × 10⁸

Factors of 168322728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34590

Divisors of 168322728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 29 42 56 58 84 87 116 168 174 203 232 348 406 609 696 812 1218 1624 2436 4872 34549 69098 103647 138196 207294 241843 276392 414588 483686 725529 829176 967372 1001921 1451058 1934744 2003842 2902116 3005763 4007684 5804232 6011526 7013447 8015368 12023052 14026894 21040341 24046104 28053788 42080682 56107576 84161364 168322728
• Sum of all divisors σ(n): 497520000
• Sum of proper divisors (its aliquot sum) s(n): 329197272
• 168322728 is an abundant number, because the sum of its proper divisors (329197272) is greater than itself. Its abundance is 160874544

Bases of 168322728

• Binary: 1010000010000110011010101000₂
• Hexadecimal: 0xA0866A8
• Base-36: 2S7QNC

Squares and roots of 168322728

• 168322728 squared (168322728²) is 28332540761361984
• 168322728 cubed (168322728³) is 4769010552123646142372352
• The square root of 168322728 is 12973.9249265595
• The cube root of 168322728 is 552.1379354937

Scales and comparisons

• 168,322,728 seconds is equal to 5 years, 18 weeks, 2 days, 4 hours, 18 minutes, 48 seconds.
• To count from 1 to 168,322,728 would take you about eight 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 168322728 cubic inches would be around 46 feet tall.

Recreational maths with 168322728

• 168322728 backwards is 827223861
• The number of decimal digits it has is: 9
• The sum of 168322728's digits is 39
• More coming soon!