997440288890

Names of 997440288890

• Cardinal: 997440288890 can be written as Nine hundred ninety-seven billion, four hundred forty million, two hundred eighty-eight thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 9.9744028889 × 10¹¹

Factors of 997440288890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 524361

Divisors of 997440288890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 17 19 31 34 38 62 85 95 155 170 190 310 323 361 527 589 646 722 1054 1178 1615 1805 2635 2945 3230 3610 5270 5890 6137 10013 11191 12274 20026 22382 30685 50065 55955 61370 100130 111910 190247 380494 524287 951235 1048574 1902470 2621435 5242870 8912879 9961453 16252897 17825758 19922906 32505794 44564395 49807265 81264485 89128790 99614530 162528970 169344701 189267607 276299249 308805043 338689402 378535214 552598498 617610086 846723505 946338035 1381496245 1544025215 1693447010 1892676070 2762992490 3088050430 3217549319 5249685731 5867295817 6435098638 10499371462 11734591634 16087746595 26248428655 29336479085 32175493190 52496857310 58672958170 99744028889 199488057778 498720144445 997440288890
• Sum of all divisors σ(n): 2071046651904
• Sum of proper divisors (its aliquot sum) s(n): 1073606363014
• 997440288890 is an abundant number, because the sum of its proper divisors (1073606363014) is greater than itself. Its abundance is 76166074124

Bases of 997440288890

• Binary: 1110100000111100000100101111100001111010₂
• Hexadecimal: 0xE83C12F87A
• Base-36: CQ7U70JE

Squares and roots of 997440288890

• 997440288890 squared (997440288890²) is 994887129900966657432100
• 997440288890 cubed (997440288890³) is 992340506261363139879331489559369000
• The square root of 997440288890 is 998719.3243799781
• The cube root of 997440288890 is 9991.4603391285

Scales and comparisons

• 997,440,288,890 seconds is equal to 31,715 years, 26 weeks, 5 days, 18 hours, 54 minutes, 50 seconds.
• To count from 1 to 997,440,288,890 would take you about sixty-three thousand, four hundred thirty-one 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 997440288890 cubic inches would be around 832.6 feet tall.

Recreational maths with 997440288890

• 997440288890 backwards is 098882044799
• The number of decimal digits it has is: 12
• The sum of 997440288890's digits is 68
• More coming soon!