997218090680

Names of 997218090680

• Cardinal: 997218090680 can be written as Nine hundred ninety-seven billion, two hundred eighteen million, ninety thousand, six hundred eighty.

Scientific notation

• Scientific notation: 9.9721809068 × 10¹¹

Factors of 997218090680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 33285104

Divisors of 997218090680

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 107 140 214 280 428 535 749 856 1070 1498 2140 2996 3745 4280 5992 7490 14980 29960 33284983 66569966 133139932 166424915 232994881 266279864 332849830 465989762 665699660 931979524 1164974405 1331399320 1863959048 2329948810 3561493181 4659897620 7122986362 9319795240 14245972724 17807465905 24930452267 28491945448 35614931810 49860904534 71229863620 99721809068 124652261335 142459727240 199443618136 249304522670 498609045340 997218090680
• Sum of all divisors σ(n): 2588240355840
• Sum of proper divisors (its aliquot sum) s(n): 1591022265160
• 997218090680 is an abundant number, because the sum of its proper divisors (1591022265160) is greater than itself. Its abundance is 593804174480

Bases of 997218090680

• Binary: 1110100000101110110101000111111010111000₂
• Hexadecimal: 0xE82ED47EB8
• Base-36: CQ45WJAW

Squares and roots of 997218090680

• 997218090680 squared (997218090680²) is 994443920379464702862400
• 997218090680 cubed (997218090680³) is 991677467569143732068896058762432000
• The square root of 997218090680 is 998608.0766146447
• The cube root of 997218090680 is 9990.7183567085

Scales and comparisons

• 997,218,090,680 seconds is equal to 31,708 years, 23 weeks, 3 days, 1 hour, 11 minutes, 20 seconds.
• To count from 1 to 997,218,090,680 would take you about sixty-three thousand, four hundred sixteen 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 997218090680 cubic inches would be around 832.6 feet tall.

Recreational maths with 997218090680

• 997218090680 backwards is 086090812799
• The number of decimal digits it has is: 12
• The sum of 997218090680's digits is 59
• More coming soon!