18285585087385

Names of 18285585087385

• Cardinal: 18285585087385 can be written as Eighteen trillion, two hundred eighty-five billion, five hundred eighty-five million, eighty-seven thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.8285585087385 × 10¹³

Factors of 18285585087385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 333

Divisors of 18285585087385

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 7 11 35 49 55 71 77 239 245 343 355 385 497 539 781 1195 1673 1715 2485 2629 2695 3479 3773 3905 5467 8365 11711 13145 16969 17395 18403 18865 24353 27335 38269 57121 58555 81977 84845 92015 118783 121765 128821 186659 191345 267883 285605 399847 409885 593915 628331 644105 831481 901747 933295 1306613 1339415 1999235 2798929 3141655 4055591 4157405 4398317 4508735 5820367 6533065 9146291 13651919 13994645 19592503 20277955 21991585 28389137 29101835 30788219 44611501 45731455 64024037 68259595 95563433 97962515 141945685 150171109 153941095 198723959 215517533 223057505 312280507 320120185 477817165 668944031 750855545 969286249 993619795 1051197763 1077587665 1391067713 1561402535 2185963549 3344720155 4682608217 4846431245 5255988815 6785003743 6955338565 7358384341 10662148739 10929817745 15301744843 23413041085 33925018715 36791921705 47495026201 51508690387 53310743695 74635041173 76508724215 237475131005 257543451935 332465183407 373175205865 522445288211 1662325917035 2612226441055 3657117017477 18285585087385
• Sum of all divisors σ(n): 28427563008000
• Sum of proper divisors (its aliquot sum) s(n): 10141977920615
• 18285585087385 is a deficient number, because the sum of its proper divisors (10141977920615) is less than itself. Its deficiency is 8143607166770

Bases of 18285585087385

• Binary: 100001010000101110001110011011011101110011001₂
• Hexadecimal: 0x10A171CDBB99
• Base-36: 6HCA58OM1

Squares and roots of 18285585087385

• 18285585087385 squared (18285585087385²) is 334362621987996698086138225
• 18285585087385 cubed (18285585087385³) is 6114016174402660324994509297243813791625
• The square root of 18285585087385 is 4276164.7638257579
• The cube root of 18285585087385 is 26345.2881922017

Scales and comparisons

• 18,285,585,087,385 seconds is equal to 581,425 years, 2 weeks, 2 days, 6 hours, 56 minutes, 25 seconds.
• To count from 1 to 18,285,585,087,385 would take you about one million, four hundred fifty-three thousand, five hundred sixty-two 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 18285585087385 cubic inches would be around 2195.4 feet tall.

Recreational maths with 18285585087385

• 18285585087385 backwards is 58378058558281
• The number of decimal digits it has is: 14
• The sum of 18285585087385's digits is 73
• More coming soon!