18383351728

Names of 18383351728

• Cardinal: 18383351728 can be written as Eighteen billion, three hundred eighty-three million, three hundred fifty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8383351728 × 10¹⁰

Factors of 18383351728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1093

Divisors of 18383351728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 28 37 56 67 73 74 112 134 146 148 259 268 292 296 469 511 518 536 584 592 907 938 1022 1036 1072 1168 1814 1876 2044 2072 2479 2701 3628 3752 4088 4144 4891 4958 5402 6349 7256 7504 8176 9782 9916 10804 12698 14512 17353 18907 19564 19832 21608 25396 33559 34237 34706 37814 39128 39664 43216 50792 60769 66211 67118 68474 69412 75628 78256 101584 121538 132422 134236 136948 138824 151256 180967 234913 243076 264844 268472 273896 277648 302512 361934 425383 463477 469826 486152 529688 536944 547792 723868 850766 926954 939652 972304 1059376 1266769 1447736 1701532 1853908 1879304 2248453 2449807 2533538 2895472 3403064 3707816 3758608 4436137 4496906 4899614 5067076 6806128 7415632 8872274 8993812 9799228 10134152 15739171 17148649 17744548 17987624 19598456 20268304 31052959 31478342 34297298 35489096 35975248 39196912 62105918 62956684 68594596 70978192 124211836 125913368 137189192 164137069 248423672 251826736 274378384 328274138 496847344 656548276 1148959483 1313096552 2297918966 2626193104 4595837932 9191675864 18383351728
• Sum of all divisors σ(n): 43058783744
• Sum of proper divisors (its aliquot sum) s(n): 24675432016
• 18383351728 is an abundant number, because the sum of its proper divisors (24675432016) is greater than itself. Its abundance is 6292080288

Bases of 18383351728

• Binary: 10001000111101110111010111110110000₂
• Hexadecimal: 0x447BBAFB0
• Base-36: 8G0Z0Z4

Squares and roots of 18383351728

• 18383351728 squared (18383351728²) is 337947620755360585984
• 18383351728 cubed (18383351728³) is 6212609977986546693612058980352
• The square root of 18383351728 is 135585.2194304379
• The cube root of 18383351728 is 2639.2157779331

Scales and comparisons

• 18,383,351,728 seconds is equal to 584 years, 27 weeks, 5 days, 6 hours, 35 minutes, 28 seconds.
• To count from 1 to 18,383,351,728 would take you about one thousand, one hundred sixty-nine 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 18383351728 cubic inches would be around 219.9 feet tall.

Recreational maths with 18383351728

• 18383351728 backwards is 82715338381
• The number of decimal digits it has is: 11
• The sum of 18383351728's digits is 49
• More coming soon!