5168390729

Names of 5168390729

• Cardinal: 5168390729 can be written as Five billion, one hundred sixty-eight million, three hundred ninety thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 5.168390729 × 10⁹

Factors of 5168390729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 117319

Divisors of 5168390729

• Number of divisors d(n): 8
• Complete list of divisors:
  1 73 607 44311 116639 8514647 70799873 5168390729
• Sum of all divisors σ(n): 5247866880
• Sum of proper divisors (its aliquot sum) s(n): 79476151
• 5168390729 is a deficient number, because the sum of its proper divisors (79476151) is less than itself. Its deficiency is 5088914578

Bases of 5168390729

• Binary: 100110100000011110110001001001001₂
• Hexadecimal: 0x1340F6249
• Base-36: 2DH4JT5

Squares and roots of 5168390729

• 5168390729 squared (5168390729²) is 26712262727613151441
• 5168390729 cubed (5168390729³) is 138059411032008064206137390489
• The square root of 5168390729 is 71891.5205639719
• The cube root of 5168390729 is 1728.9606651071

Scales and comparisons

• 5,168,390,729 seconds is equal to 164 years, 17 weeks, 4 days, 8 hours, 5 minutes, 29 seconds.
• To count from 1 to 5,168,390,729 would take you about three hundred twenty-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 5168390729 cubic inches would be around 144.1 feet tall.

Recreational maths with 5168390729

• 5168390729 backwards is 9270938615
• The number of decimal digits it has is: 10
• The sum of 5168390729's digits is 50
• More coming soon!