18105622912

Names of 18105622912

• Cardinal: 18105622912 can be written as Eighteen billion, one hundred five million, six hundred twenty-two thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8105622912 × 10¹⁰

Factors of 18105622912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1360

Divisors of 18105622912

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 62 64 104 124 128 208 248 373 403 416 496 746 806 832 941 992 1492 1612 1664 1882 1984 2984 3224 3764 3968 4849 5968 6448 7528 9698 11563 11936 12233 12896 15056 19396 23126 23872 24466 25792 29171 30112 38792 46252 47744 48932 51584 58342 60224 77584 92504 97864 116684 120448 150319 155168 185008 195728 233368 300638 310336 350993 370016 379223 391456 466736 601276 620672 701986 740032 758446 782912 933472 1202552 1403972 1480064 1516892 1565824 1866944 2405104 2807944 3033784 3733888 4562909 4810208 5615888 6067568 9125818 9620416 10880783 11231776 12135136 18251636 19240832 21761566 22463552 24270272 36503272 43523132 44927104 48540544 73006544 87046264 141450179 146013088 174092528 282900358 292026176 348185056 565800716 584052352 696370112 1131601432 1392740224 2263202864 4526405728 9052811456 18105622912
• Sum of all divisors σ(n): 40247665920
• Sum of proper divisors (its aliquot sum) s(n): 22142043008
• 18105622912 is an abundant number, because the sum of its proper divisors (22142043008) is greater than itself. Its abundance is 4036420096

Bases of 18105622912

• Binary: 10000110111001011011110000110000000₂
• Hexadecimal: 0x4372DE180
• Base-36: 8BFMC1S

Squares and roots of 18105622912

• 18105622912 squared (18105622912²) is 327813581031539359744
• 18105622912 cubed (18105622912³) is 5935269083589407626410776854528
• The square root of 18105622912 is 134557.1362358757
• The cube root of 18105622912 is 2625.8575175497

Scales and comparisons

• 18,105,622,912 seconds is equal to 575 years, 36 weeks, 3 days, 19 hours, 41 minutes, 52 seconds.
• To count from 1 to 18,105,622,912 would take you about one thousand, one hundred fifty-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 18105622912 cubic inches would be around 218.8 feet tall.

Recreational maths with 18105622912

• 18105622912 backwards is 21922650181
• The number of decimal digits it has is: 11
• The sum of 18105622912's digits is 37
• More coming soon!