4720940128

Names of 4720940128

• Cardinal: 4720940128 can be written as Four billion, seven hundred twenty million, nine hundred forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.720940128 × 10⁹

Factors of 4720940128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 147529381

Divisors of 4720940128

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 16 32 147529379 295058758 590117516 1180235032 2360470064 4720940128
• Sum of all divisors σ(n): 9294350940
• Sum of proper divisors (its aliquot sum) s(n): 4573410812
• 4720940128 is a deficient number, because the sum of its proper divisors (4573410812) is less than itself. Its deficiency is 147529316

Bases of 4720940128

• Binary: 100011001011000111101010001100000₂
• Hexadecimal: 0x11963D460
• Base-36: 262Q4PS

Squares and roots of 4720940128

• 4720940128 squared (4720940128²) is 22287275692160656384
• 4720940128 cubed (4720940128³) is 105216894158920217746044977152
• The square root of 4720940128 is 68709.0978546509
• The cube root of 4720940128 is 1677.5526686421

Scales and comparisons

• 4,720,940,128 seconds is equal to 150 years, 5 weeks, 5 days, 12 hours, 15 minutes, 28 seconds.
• To count from 1 to 4,720,940,128 would take you about three hundred 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 4720940128 cubic inches would be around 139.8 feet tall.

Recreational maths with 4720940128

• 4720940128 backwards is 8210490274
• The number of decimal digits it has is: 10
• The sum of 4720940128's digits is 37
• More coming soon!