138018782772

Names of 138018782772

• Cardinal: 138018782772 can be written as One hundred thirty-eight billion, eighteen million, seven hundred eighty-two thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 1.38018782772 × 10¹¹

Factors of 138018782772

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1339

Divisors of 138018782772

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 169 234 338 468 507 676 1014 1321 1521 2028 2197 2642 3042 3963 4394 5284 6084 6591 7926 8788 11889 13182 15852 17173 19773 23778 26364 34346 39546 47556 51519 68692 79092 103038 154557 206076 223249 309114 446498 618228 669747 892996 1339494 1745041 2009241 2678988 2902237 3490082 4018482 5235123 5804474 6980164 8036964 8706711 10470246 11608948 15705369 17413422 20940492 22685533 26120133 31410738 34826844 45371066 52240266 62821476 68056599 90742132 104480532 136113198 204169797 272226396 294911929 408339594 589823858 816679188 884735787 1179647716 1769471574 2654207361 3538943148 3833855077 5308414722 7667710154 10616829444 11501565231 15335420308 23003130462 34504695693 46006260924 69009391386 138018782772
• Sum of all divisors σ(n): 378227298540
• Sum of proper divisors (its aliquot sum) s(n): 240208515768
• 138018782772 is an abundant number, because the sum of its proper divisors (240208515768) is greater than itself. Its abundance is 102189732996

Bases of 138018782772

• Binary: 10000000100010100011110111111000110100₂
• Hexadecimal: 0x20228F7E34
• Base-36: 1REKTID0

Squares and roots of 138018782772

• 138018782772 squared (138018782772²) is 19049184397864524003984
• 138018782772 cubed (138018782772³) is 2629145243392635359191047358563648
• The square root of 138018782772 is 371508.7923212585
• The cube root of 138018782772 is 5167.8836928815

Scales and comparisons

• 138,018,782,772 seconds is equal to 4,388 years, 29 weeks, 4 days, 14 hours, 46 minutes, 12 seconds.
• To count from 1 to 138,018,782,772 would take you about eight thousand, seven hundred seventy-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 138018782772 cubic inches would be around 430.7 feet tall.

Recreational maths with 138018782772

• 138018782772 backwards is 277287810831
• The number of decimal digits it has is: 12
• The sum of 138018782772's digits is 54
• More coming soon!