18196746477

Names of 18196746477

• Cardinal: 18196746477 can be written as Eighteen billion, one hundred ninety-six million, seven hundred forty-six thousand, four hundred seventy-seven.

Scientific notation

• Scientific notation: 1.8196746477 × 10¹⁰

Factors of 18196746477

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 426

Divisors of 18196746477

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 13 21 39 49 67 79 91 147 201 237 257 273 343 469 553 637 771 871 1027 1029 1407 1659 1799 1911 2613 3081 3283 3341 3871 4459 5293 5397 6097 7189 9849 10023 11613 12593 13377 15879 17219 18291 20303 21567 22981 23387 27097 37051 37779 42679 50323 51657 60909 68809 68943 70161 81291 88151 111153 120533 128037 142121 150969 163709 206427 223847 259357 263939 264453 298753 352261 361599 426363 481663 491127 671541 778071 791817 843731 896259 994847 1056783 1145963 1360301 1444989 1566929 1815499 1847573 2531193 2984541 3371641 3437889 4080903 4700787 5446497 5542719 5906117 6963929 9522107 10114923 10968503 12933011 17683913 17718351 20891787 23601487 28566321 32905509 38799033 53051739 66654749 70804461 76779521 90531077 123787391 199964247 230338563 271593231 371362173 466583243 866511737 1399749729 2599535211 6065582159 18196746477
• Sum of all divisors σ(n): 31438848000
• Sum of proper divisors (its aliquot sum) s(n): 13242101523
• 18196746477 is a deficient number, because the sum of its proper divisors (13242101523) is less than itself. Its deficiency is 4954644954

Bases of 18196746477

• Binary: 10000111100100111000101000011101101₂
• Hexadecimal: 0x43C9C50ED
• Base-36: 8CXVFFX

Squares and roots of 18196746477

• 18196746477 squared (18196746477²) is 331121582348211911529
• 18196746477 cubed (18196746477³) is 6025335487053490488364766433333
• The square root of 18196746477 is 134895.3167348667
• The cube root of 18196746477 is 2630.2553630707

Scales and comparisons

• 18,196,746,477 seconds is equal to 578 years, 31 weeks, 1 day, 11 hours, 47 minutes, 57 seconds.
• To count from 1 to 18,196,746,477 would take you about one thousand, one hundred fifty-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 18196746477 cubic inches would be around 219.2 feet tall.

Recreational maths with 18196746477

• 18196746477 backwards is 77464769181
• The number of decimal digits it has is: 11
• The sum of 18196746477's digits is 60
• More coming soon!