138636169812

Names of 138636169812

• Cardinal: 138636169812 can be written as One hundred thirty-eight billion, six hundred thirty-six million, one hundred sixty-nine thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.38636169812 × 10¹¹

Factors of 138636169812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3649

Divisors of 138636169812

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 252 294 324 343 378 441 567 588 686 756 882 1029 1134 1323 1372 1764 2058 2268 2401 2646 3087 3637 3969 4116 4802 5292 6174 7203 7274 7938 9261 9604 10911 12348 14406 14548 15876 16807 18522 21609 21822 25459 27783 28812 32733 33614 37044 43218 43644 50421 50918 55566 64827 65466 67228 76377 86436 98199 100842 101836 111132 117649 129654 130932 151263 152754 178213 194481 196398 201684 229131 235298 259308 294597 302526 305508 352947 356426 388962 392796 453789 458262 470596 534639 589194 605052 687393 705894 712852 777924 907578 916524 1058841 1069278 1178388 1247491 1361367 1374786 1411788 1603917 1815156 2062179 2117682 2138556 2494982 2722734 2749572 3176523 3207834 3742473 4124358 4235364 4811751 4989964 5445468 6353046 6415668 7484946 8248716 8732437 9529569 9623502 11227419 12706092 14435253 14969892 17464874 19059138 19247004 22454838 26197311 28870506 33682257 34929748 38118276 44909676 52394622 57741012 61127059 67364514 78591933 101046771 104789244 122254118 134729028 157183866 183381177 202093542 235775799 244508236 314367732 366762354 404187084 427889413 471551598 550143531 707327397 733524708 855778826 943103196 1100287062 1283668239 1414654794 1650430593 1711557652 2200574124 2567336478 2829309588 3300861186 3851004717 4951291779 5134672956 6601722372 7702009434 9902583558 11553014151 15404018868 19805167116 23106028302 34659042453 46212056604 69318084906 138636169812
• Sum of all divisors σ(n): 422941798202
• Sum of proper divisors (its aliquot sum) s(n): 284305628390
• 138636169812 is an abundant number, because the sum of its proper divisors (284305628390) is greater than itself. Its abundance is 145669458578

Bases of 138636169812

• Binary: 10000001000111010111000001001001010100₂
• Hexadecimal: 0x20475C1254
• Base-36: 1ROSE990

Squares and roots of 138636169812

• 138636169812 squared (138636169812²) is 19219987580141700115344
• 138636169812 cubed (138636169812³) is 2664585461945055696213210770795328
• The square root of 138636169812 is 372338.7836527373
• The cube root of 138636169812 is 5175.5779084915

Scales and comparisons

• 138,636,169,812 seconds is equal to 4,408 years, 10 weeks, 3 days, 7 hours, 10 minutes, 12 seconds.
• To count from 1 to 138,636,169,812 would take you about eight thousand, eight hundred sixteen 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 138636169812 cubic inches would be around 431.3 feet tall.

Recreational maths with 138636169812

• 138636169812 backwards is 218961636831
• 138636169812 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138636169812's digits is 54
• More coming soon!