39828021

Names of 39828021

• Cardinal: 39828021 can be written as Thirty-nine million, eight hundred twenty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 3.9828021 × 10⁷

Factors of 39828021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 358851

Divisors of 39828021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 37 111 358811 1076433 13276007 39828021
• Sum of all divisors σ(n): 54539424
• Sum of proper divisors (its aliquot sum) s(n): 14711403
• 39828021 is a deficient number, because the sum of its proper divisors (14711403) is less than itself. Its deficiency is 25116618

Bases of 39828021

• Binary: 10010111111011101000110101₂
• Hexadecimal: 0x25FBA35
• Base-36: NPNHX

Squares and roots of 39828021

• 39828021 squared (39828021²) is 1586271256776441
• 39828021 cubed (39828021³) is 63178044926588484453261
• The square root of 39828021 is 6310.9445410335
• The cube root of 39828021 is 341.5043519583

Scales and comparisons

• 39,828,021 seconds is equal to 1 year, 13 weeks, 5 days, 23 hours, 20 minutes, 21 seconds.
• To count from 1 to 39,828,021 would take you about forty-six weeks!

  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 39828021 cubic inches would be around 28.5 feet tall.

Recreational maths with 39828021

• 39828021 backwards is 12082893
• The number of decimal digits it has is: 8
• The sum of 39828021's digits is 33
• More coming soon!