138413644992

Names of 138413644992

• Cardinal: 138413644992 can be written as One hundred thirty-eight billion, four hundred thirteen million, six hundred forty-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.38413644992 × 10¹¹

Factors of 138413644992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3814321

Divisors of 138413644992

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 144 162 168 189 192 216 224 252 288 324 336 378 432 448 504 567 576 648 672 756 864 1008 1134 1296 1344 1512 1728 2016 2268 2592 3024 4032 4536 5184 6048 9072 12096 18144 36288 3814309 7628618 11442927 15257236 22885854 26700163 30514472 34328781 45771708 53400326 61028944 68657562 80100489 91543416 102986343 106800652 122057888 137315124 160200978 183086832 205972686 213601304 240301467 244115776 274630248 308959029 320401956 366173664 411945372 427202608 480602934 549260496 617918058 640803912 720904401 732347328 823890744 854405216 961205868 1098520992 1235836116 1281607824 1441808802 1647781488 1708810432 1922411736 2162713203 2197041984 2471672232 2563215648 2883617604 3295562976 3844823472 4325426406 4943344464 5126431296 5767235208 6591125952 7689646944 8650852812 9886688928 11534470416 15379293888 17301705624 19773377856 23068940832 34603411248 46137881664 69206822496 138413644992
• Sum of all divisors σ(n): 468916014160
• Sum of proper divisors (its aliquot sum) s(n): 330502369168
• 138413644992 is an abundant number, because the sum of its proper divisors (330502369168) is greater than itself. Its abundance is 192088724176

Bases of 138413644992

• Binary: 10000000111010000110001001110011000000₂
• Hexadecimal: 0x203A189CC0
• Base-36: 1RL3WS00

Squares and roots of 138413644992

• 138413644992 squared (138413644992²) is 19158337119971406680064
• 138413644992 cubed (138413644992³) is 2651775272760777997405235819839488
• The square root of 138413644992 is 372039.8432856355
• The cube root of 138413644992 is 5172.8073201023

Scales and comparisons

• 138,413,644,992 seconds is equal to 4,401 years, 6 weeks, 3 days, 18 hours, 43 minutes, 12 seconds.
• To count from 1 to 138,413,644,992 would take you about eight thousand, eight hundred two 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 138413644992 cubic inches would be around 431.1 feet tall.

Recreational maths with 138413644992

• 138413644992 backwards is 299446314831
• 138413644992 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138413644992's digits is 54
• More coming soon!