168404128

Names of 168404128

• Cardinal: 168404128 can be written as One hundred sixty-eight million, four hundred four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.68404128 × 10⁸

Factors of 168404128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 48392

Divisors of 168404128

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 8 16 32 109 218 436 872 1744 3488 48281 96562 193124 386248 772496 1544992 5262629 10525258 21050516 42101032 84202064 168404128
• Sum of all divisors σ(n): 334594260
• Sum of proper divisors (its aliquot sum) s(n): 166190132
• 168404128 is a deficient number, because the sum of its proper divisors (166190132) is less than itself. Its deficiency is 2213996

Bases of 168404128

• Binary: 1010000010011010010010100000₂
• Hexadecimal: 0xA09A4A0
• Base-36: 2S9HGG

Squares and roots of 168404128

• 168404128 squared (168404128²) is 28359950327440384
• 168404128 cubed (168404128³) is 4775932705015912339505152
• The square root of 168404128 is 12977.0616088543
• The cube root of 168404128 is 552.2269248329

Scales and comparisons

• 168,404,128 seconds is equal to 5 years, 18 weeks, 3 days, 2 hours, 55 minutes, 28 seconds.
• To count from 1 to 168,404,128 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 168404128 cubic inches would be around 46 feet tall.

Recreational maths with 168404128

• 168404128 backwards is 821404861
• The number of decimal digits it has is: 9
• The sum of 168404128's digits is 34
• More coming soon!