138663146862

Names of 138663146862

• Cardinal: 138663146862 can be written as One hundred thirty-eight billion, six hundred sixty-three million, one hundred forty-six thousand, eight hundred sixty-two.

Scientific notation

• Scientific notation: 1.38663146862 × 10¹¹

Factors of 138663146862

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 485

Divisors of 138663146862

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 9 18 27 54 61 81 122 162 183 243 366 419 486 549 729 838 1098 1257 1458 1647 2514 3294 3721 3771 4941 7442 7542 9882 11163 11313 14823 22326 22626 25559 29646 33489 33939 44469 51118 66978 67878 76677 88938 100467 101817 153354 200934 203634 226981 230031 301401 305451 453962 460062 602802 610902 680943 690093 904203 1361886 1380186 1559099 1808406 2042829 2070279 2712609 3118198 4085658 4140558 4677297 5425218 6128487 6210837 9354594 12256974 12421674 14031891 18385461 18632511 28063782 36770922 37265022 42095673 55156383 84191346 95105039 110312766 126287019 165469149 190210078 252574038 285315117 330938298 378861057 570630234 757722114 855945351 1136583171 1711890702 2273166342 2567836053 5135672106 7703508159 15407016318 23110524477 46221048954 69331573431 138663146862
• Sum of all divisors σ(n): 317803565520
• Sum of proper divisors (its aliquot sum) s(n): 179140418658
• 138663146862 is an abundant number, because the sum of its proper divisors (179140418658) is greater than itself. Its abundance is 40477271796

Bases of 138663146862

• Binary: 10000001001000111101111011010101101110₂
• Hexadecimal: 0x2048F7B56E
• Base-36: 1RP8GGVI

Squares and roots of 138663146862

• 138663146862 squared (138663146862²) is 19227468297672580447044
• 138663146862 cubed (138663146862³) is 2666141260344622155318971785775928
• The square root of 138663146862 is 372375.0083746223
• The cube root of 138663146862 is 5175.9135899349

Scales and comparisons

• 138,663,146,862 seconds is equal to 4,409 years, 3 weeks, 12 hours, 47 minutes, 42 seconds.
• To count from 1 to 138,663,146,862 would take you about eight thousand, eight hundred eighteen 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 138663146862 cubic inches would be around 431.3 feet tall.

Recreational maths with 138663146862

• 138663146862 backwards is 268641366831
• 138663146862 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138663146862's digits is 54
• More coming soon!