18021138907136

Names of 18021138907136

• Cardinal: 18021138907136 can be written as Eighteen trillion, twenty-one billion, one hundred thirty-eight million, nine hundred seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.8021138907136 × 10¹³

Factors of 18021138907136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 24677

Divisors of 18021138907136

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 32 64 128 131 256 262 347 512 524 694 1024 1048 1388 2048 2096 2776 4096 4192 5552 8192 8384 11104 16384 16768 22208 24197 33536 44416 45457 48394 67072 88832 90914 96788 134144 177664 181828 193576 268288 355328 363656 387152 536576 710656 727312 774304 1073152 1421312 1454624 1548608 2146304 2842624 2909248 3097216 3169807 5685248 5818496 6194432 6339614 8396359 11636992 12388864 12679228 16792718 23273984 24777728 25358456 33585436 46547968 49555456 50716912 67170872 93095936 99110912 101433824 134341744 186191872 198221824 202867648 268683488 372383744 396443648 405735296 537366976 744767488 811470592 1074733952 1099923029 1622941184 2149467904 2199846058 3245882368 4298935808 4399692116 6491764736 8597871616 8799384232 12983529472 17195743232 17598768464 25967058944 34391486464 35197536928 51934117888 68782972928 70395073856 137565945856 140790147712 281580295424 563160590848 1126321181696 2252642363392 4505284726784 9010569453568 18021138907136
• Sum of all divisors σ(n): 36422464500576
• Sum of proper divisors (its aliquot sum) s(n): 18401325593440
• 18021138907136 is an abundant number, because the sum of its proper divisors (18401325593440) is greater than itself. Its abundance is 380186686304

Bases of 18021138907136

• Binary: 100000110001111011111100101010100000000000000₂
• Hexadecimal: 0x1063DF954000
• Base-36: 6DYSOTA0W

Squares and roots of 18021138907136

• 18021138907136 squared (18021138907136²) is 324761447510290904431722496
• 18021138907136 cubed (18021138907136³) is 5852571157265509257604132560695466131456
• The square root of 18021138907136 is 4245131.2002264429
• The cube root of 18021138907136 is 26217.6691154775

Scales and comparisons

• 18,021,138,907,136 seconds is equal to 573,016 years, 24 weeks, 4 days, 14 hours, 38 minutes, 56 seconds.
• To count from 1 to 18,021,138,907,136 would take you about one million, four hundred thirty-two thousand, five hundred forty-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 18021138907136 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18021138907136

• 18021138907136 backwards is 63170983112081
• The number of decimal digits it has is: 14
• The sum of 18021138907136's digits is 50
• More coming soon!