9728439444

Names of 9728439444

• Cardinal: 9728439444 can be written as Nine billion, seven hundred twenty-eight million, four hundred thirty-nine thousand, four hundred forty-four.

Scientific notation

• Scientific notation: 9.728439444 × 10⁹

Factors of 9728439444

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2007

Divisors of 9728439444

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 414 621 828 1242 1979 2484 3958 5937 7916 11874 17811 23748 35622 45517 53433 71244 91034 106866 136551 182068 213732 273102 409653 546204 819306 1228959 1638612 2457918 3916441 4915836 7832882 11749323 15665764 23498646 35247969 46997292 70495938 90078143 105743907 140991876 180156286 211487814 270234429 360312572 422975628 540468858 810703287 1080937716 1621406574 2432109861 3242813148 4864219722 9728439444
• Sum of all divisors σ(n): 26331789120
• Sum of proper divisors (its aliquot sum) s(n): 16603349676
• 9728439444 is an abundant number, because the sum of its proper divisors (16603349676) is greater than itself. Its abundance is 6874910232

Bases of 9728439444

• Binary: 1001000011110111000011010010010100₂
• Hexadecimal: 0x243DC3494
• Base-36: 4GW27X0

Squares and roots of 9728439444

• 9728439444 squared (9728439444²) is 94642534015575029136
• 9728439444 cubed (9728439444³) is 920724160997231823788111640384
• The square root of 9728439444 is 98632.8517482893
• The cube root of 9728439444 is 2134.7534624929

Scales and comparisons

• 9,728,439,444 seconds is equal to 309 years, 17 weeks, 2 days, 16 hours, 17 minutes, 24 seconds.
• To count from 1 to 9,728,439,444 would take you about six hundred eighteen 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 9728439444 cubic inches would be around 177.9 feet tall.

Recreational maths with 9728439444

• 9728439444 backwards is 4449348279
• 9728439444 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9728439444's digits is 54
• More coming soon!