138465120192

Names of 138465120192

• Cardinal: 138465120192 can be written as One hundred thirty-eight billion, four hundred sixty-five million, one hundred twenty thousand, one hundred ninety-two.

Scientific notation

• Scientific notation: 1.38465120192 × 10¹¹

Factors of 138465120192

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 55296

Divisors of 138465120192

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 1931 3862 5793 7724 11586 13517 15448 23172 27034 30896 40551 46344 53353 54068 61792 81102 92688 106706 108136 123584 160059 162204 185376 213412 216272 320118 324408 370752 373471 426824 432544 640236 648816 746942 853648 865088 1120413 1280472 1297632 1493884 1707296 2240826 2560944 2595264 2987768 3414592 4481652 5121888 5975536 8963304 10243776 11951072 17926608 23902144 35853216 71706432 103024643 206049286 309073929 412098572 618147858 721172501 824197144 1236295716 1442345002 1648394288 2163517503 2472591432 2884690004 3296788576 4327035006 4945182864 5769380008 6593577152 8654070012 9890365728 11538760016 17308140024 19780731456 23077520032 34616280048 46155040064 69232560096 138465120192
• Sum of all divisors σ(n): 418916827392
• Sum of proper divisors (its aliquot sum) s(n): 280451707200
• 138465120192 is an abundant number, because the sum of its proper divisors (280451707200) is greater than itself. Its abundance is 141986587008

Bases of 138465120192

• Binary: 10000000111101001010100000111111000000₂
• Hexadecimal: 0x203D2A0FC0
• Base-36: 1RLYK2IO

Squares and roots of 138465120192

• 138465120192 squared (138465120192²) is 19172589509785006116864
• 138465120192 cubed (138465120192³) is 2654734910864259232051028958117888
• The square root of 138465120192 is 372109.0165421957
• The cube root of 138465120192 is 5173.4484859113

Scales and comparisons

• 138,465,120,192 seconds is equal to 4,402 years, 39 weeks, 4 days, 13 hours, 23 minutes, 12 seconds.
• To count from 1 to 138,465,120,192 would take you about eight thousand, eight hundred five 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 138465120192 cubic inches would be around 431.1 feet tall.

Recreational maths with 138465120192

• 138465120192 backwards is 291021564831
• 138465120192 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138465120192's digits is 42
• More coming soon!