728468898072

Names of 728468898072

• Cardinal: 728468898072 can be written as Seven hundred twenty-eight billion, four hundred sixty-eight million, eight hundred ninety-eight thousand and seventy-two.

Scientific notation

• Scientific notation: 7.28468898072 × 10¹¹

Factors of 728468898072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 193970

Divisors of 728468898072

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 24 31 62 93 124 163 186 248 326 372 489 652 744 961 978 1304 1922 1956 2883 3844 3912 5053 5766 7688 10106 11532 15159 20212 23064 30318 40424 60636 121272 156643 193771 313286 387542 469929 581313 626572 775084 939858 1162626 1253144 1550168 1879716 2325252 3759432 4650504 6006901 12013802 18020703 24027604 31584673 36041406 48055208 63169346 72082812 94754019 126338692 144165624 186213931 189508038 252677384 372427862 379016076 558641793 744855724 758032152 979124863 1117283586 1489711448 1958249726 2234567172 2937374589 3916499452 4469134344 5874749178 7832998904 11749498356 23498996712 30352870753 60705741506 91058612259 121411483012 182117224518 242822966024 364234449036 728468898072
• Sum of all divisors σ(n): 1893369464640
• Sum of proper divisors (its aliquot sum) s(n): 1164900566568
• 728468898072 is an abundant number, because the sum of its proper divisors (1164900566568) is greater than itself. Its abundance is 436431668496

Bases of 728468898072

• Binary: 1010100110011100001000010100000100011000₂
• Hexadecimal: 0xA99C214118
• Base-36: 9ANJKN4O

Squares and roots of 728468898072

• 728468898072 squared (728468898072²) is 530666935458233925317184
• 728468898072 cubed (728468898072³) is 386574357716504811955016171566069248
• The square root of 728468898072 is 853503.8945851389
• The cube root of 728468898072 is 8997.8138643797

Scales and comparisons

• 728,468,898,072 seconds is equal to 23,163 years, 2 weeks, 6 days, 23 hours, 41 minutes, 12 seconds.
• To count from 1 to 728,468,898,072 would take you about forty-six thousand, three hundred twenty-six 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 728468898072 cubic inches would be around 749.8 feet tall.

Recreational maths with 728468898072

• 728468898072 backwards is 270898864827
• The number of decimal digits it has is: 12
• The sum of 728468898072's digits is 69
• More coming soon!