990720250

Names of 990720250

• Cardinal: 990720250 can be written as Nine hundred ninety million, seven hundred twenty thousand, two hundred fifty.

Scientific notation

• Scientific notation: 9.9072025 × 10⁸

Factors of 990720250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 330

Divisors of 990720250

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 25 26 50 65 125 130 131 169 179 250 262 325 338 358 650 655 845 895 1310 1625 1690 1703 1790 2327 3250 3275 3406 4225 4475 4654 6550 8450 8515 8950 11635 16375 17030 21125 22139 22375 23270 23449 30251 32750 42250 42575 44278 44750 46898 58175 60502 85150 110695 116350 117245 151255 212875 221390 234490 290875 302510 304837 425750 553475 581750 586225 609674 756275 1106950 1172450 1512550 1524185 2767375 2931125 3048370 3781375 3962881 5534750 5862250 7562750 7620925 7925762 15241850 19814405 38104625 39628810 76209250 99072025 198144050 495360125 990720250
• Sum of all divisors σ(n): 2034901440
• Sum of proper divisors (its aliquot sum) s(n): 1044181190
• 990720250 is an abundant number, because the sum of its proper divisors (1044181190) is greater than itself. Its abundance is 53460940

Bases of 990720250

• Binary: 111011000011010011000011111010₂
• Hexadecimal: 0x3B0D30FA
• Base-36: GDUKMY

Squares and roots of 990720250

• 990720250 squared (990720250²) is 981526613760062500
• 990720250 cubed (990720250³) is 972418292166022560015625000
• The square root of 990720250 is 31475.7088879661
• The cube root of 990720250 is 996.8971321691

Scales and comparisons

• 990,720,250 seconds is equal to 31 years, 26 weeks, 16 hours, 4 minutes, 10 seconds.
• To count from 1 to 990,720,250 would take you about forty-seven 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 990720250 cubic inches would be around 83.1 feet tall.

Recreational maths with 990720250

• 990720250 backwards is 052027099
• The number of decimal digits it has is: 9
• The sum of 990720250's digits is 34
• More coming soon!