138518062144

Names of 138518062144

• Cardinal: 138518062144 can be written as One hundred thirty-eight billion, five hundred eighteen million, sixty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.38518062144 × 10¹¹

Factors of 138518062144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 460874

Divisors of 138518062144

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 61 64 77 88 112 122 154 176 224 244 308 352 427 448 488 616 671 704 854 976 1232 1342 1708 1952 2464 2684 3416 3904 4697 4928 5368 6832 9394 10736 13664 18788 21472 27328 37576 42944 75152 150304 300608 460793 921586 1843172 3225551 3686344 5068723 6451102 7372688 10137446 12902204 14745376 20274892 25804408 28108373 29490752 35481061 40549784 51608816 56216746 70962122 81099568 103217632 112433492 141924244 162199136 196758611 206435264 224866984 283848488 309192103 324398272 393517222 449733968 567696976 618384206 787034444 899467936 1135393952 1236768412 1574068888 1798935872 2164344721 2270787904 2473536824 3148137776 4328689442 4947073648 6296275552 8657378884 9894147296 12592551104 17314757768 19788294592 34629515536 69259031072 138518062144
• Sum of all divisors σ(n): 348316027776
• Sum of proper divisors (its aliquot sum) s(n): 209797965632
• 138518062144 is an abundant number, because the sum of its proper divisors (209797965632) is greater than itself. Its abundance is 71279903488

Bases of 138518062144

• Binary: 10000001000000010100011110010001000000₂
• Hexadecimal: 0x204051E440
• Base-36: 1RMU2SSG

Squares and roots of 138518062144

• 138518062144 squared (138518062144²) is 19187253540129045876736
• 138518062144 cubed (138518062144³) is 2657781178244279174533144211881984
• The square root of 138518062144 is 372180.1474340081
• The cube root of 138518062144 is 5174.1077555787

Scales and comparisons

• 138,518,062,144 seconds is equal to 4,404 years, 23 weeks, 1 day, 7 hours, 29 minutes, 4 seconds.
• To count from 1 to 138,518,062,144 would take you about eight thousand, eight hundred eight 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 138518062144 cubic inches would be around 431.2 feet tall.

Recreational maths with 138518062144

• 138518062144 backwards is 441260815831
• The number of decimal digits it has is: 12
• The sum of 138518062144's digits is 43
• More coming soon!