217438402090

Names of 217438402090

• Cardinal: 217438402090 can be written as Two hundred seventeen billion, four hundred thirty-eight million, four hundred two thousand and ninety.

Scientific notation

• Scientific notation: 2.1743840209 × 10¹¹

Factors of 217438402090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 922625

Divisors of 217438402090

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 37 49 65 70 74 91 98 130 182 185 245 259 370 455 481 490 518 637 910 962 1274 1295 1813 2405 2590 3185 3367 3626 4810 6370 6734 9065 16835 18130 23569 33670 47138 117845 235690 922561 1845122 4612805 6457927 9225610 11993293 12915854 23986586 32289635 34134757 45205489 59966465 64579270 68269514 83953051 90410978 119932930 167906102 170673785 226027445 238943299 341347570 419765255 443751841 452054890 477886598 587671357 839530510 887503682 1175342714 1194716495 1672603093 2218759205 2389432990 2938356785 3106262887 3345206186 4437518410 5876713570 6212525774 8363015465 15531314435 16726030930 21743840209 31062628870 43487680418 108719201045 217438402090
• Sum of all divisors σ(n): 503563861584
• Sum of proper divisors (its aliquot sum) s(n): 286125459494
• 217438402090 is an abundant number, because the sum of its proper divisors (286125459494) is greater than itself. Its abundance is 68687057404

Bases of 217438402090

• Binary: 11001010100000010101101011011000101010₂
• Hexadecimal: 0x32A056B62A
• Base-36: 2RW17KTM

Squares and roots of 217438402090

• 217438402090 squared (217438402090²) is 47279458703452516368100
• 217438402090 cubed (217438402090³) is 10280369952158858325269234249329000
• The square root of 217438402090 is 466302.9080865785
• The cube root of 217438402090 is 6013.2890828531

Scales and comparisons

• 217,438,402,090 seconds is equal to 6,913 years, 45 weeks, 1 day, 4 hours, 8 minutes, 10 seconds.
• To count from 1 to 217,438,402,090 would take you about thirteen thousand, eight hundred twenty-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 217438402090 cubic inches would be around 501.1 feet tall.

Recreational maths with 217438402090

• 217438402090 backwards is 090204834712
• The number of decimal digits it has is: 12
• The sum of 217438402090's digits is 40
• More coming soon!