138705406450

Names of 138705406450

• Cardinal: 138705406450 can be written as One hundred thirty-eight billion, seven hundred five million, four hundred six thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.3870540645 × 10¹¹

Factors of 138705406450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 99

Divisors of 138705406450

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 10 13 19 25 26 29 31 38 50 58 62 65 95 130 145 155 169 190 247 290 310 325 338 377 403 475 494 551 589 650 725 754 775 806 845 899 950 961 1102 1178 1235 1450 1550 1690 1798 1885 1922 2015 2470 2755 2945 3211 3770 4030 4225 4495 4805 4901 5239 5510 5890 6175 6422 7163 7657 8450 8990 9425 9610 9802 10075 10478 11687 12350 12493 13775 14326 14725 15314 16055 17081 18259 18850 20150 22475 23374 24025 24505 24986 26195 27550 27869 29450 29791 32110 34162 35815 36518 38285 44950 48050 49010 52390 55738 58435 59582 62465 71630 76570 80275 85405 91295 93119 99541 116870 122525 124930 130975 139345 148955 151931 160550 162409 170810 179075 182590 186238 191425 199082 222053 237367 245050 261950 278690 292175 297910 303862 312325 324818 358150 362297 382850 387283 427025 444106 456475 465595 474734 497705 529511 566029 584350 624650 696725 724594 744775 759655 774566 812045 854050 863939 912950 931190 995410 1059022 1110265 1132058 1186835 1393450 1489550 1519310 1624090 1727878 1811485 1936415 2220530 2327975 2373670 2488525 2647555 2830145 2886689 3085771 3622970 3798275 3872830 4060225 4319695 4655950 4709861 4977050 5034679 5295110 5551325 5660290 5773378 5934175 6171542 6883643 7358377 7596550 8120450 8639390 9057425 9419722 9682075 10069358 11102650 11231207 11868350 13237775 13767286 14150725 14433445 14716754 15428855 16414841 18114850 19364150 21598475 22462414 23549305 25173395 26475550 28301450 28866890 30857710 32829682 34418215 36791885 43196950 47098610 50346790 56156035 68836430 72167225 73583770 77144275 82074205 89487359 95658901 112312070 117746525 125866975 144334450 146005691 154288550 164148410 172091075 178974718 183959425 191317802 213392933 235493050 251733950 280780175 292011382 344182150 367918850 410371025 426785866 447436795 478294505 561560350 730028455 820742050 894873590 956589010 1066964665 1460056910 2133929330 2237183975 2391472525 2774108129 3650142275 4474367950 4782945050 5334823325 5548216258 7300284550 10669646650 13870540645 27741081290 69352703225 138705406450
• Sum of all divisors σ(n): 314347737600
• Sum of proper divisors (its aliquot sum) s(n): 175642331150
• 138705406450 is an abundant number, because the sum of its proper divisors (175642331150) is greater than itself. Its abundance is 36936924700

Bases of 138705406450

• Binary: 10000001001011011111001000100111110010₂
• Hexadecimal: 0x204B7C89F2
• Base-36: 1RPXM8KY

Squares and roots of 138705406450

• 138705406450 squared (138705406450²) is 19239189778459701602500
• 138705406450 cubed (138705406450³) is 2668579637989938365720478836125000
• The square root of 138705406450 is 372431.7473712465
• The cube root of 138705406450 is 5176.4393478935

Scales and comparisons

• 138,705,406,450 seconds is equal to 4,410 years, 20 weeks, 6 days, 15 hours, 34 minutes, 10 seconds.
• To count from 1 to 138,705,406,450 would take you about eight thousand, eight hundred twenty 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 138705406450 cubic inches would be around 431.4 feet tall.

Recreational maths with 138705406450

• 138705406450 backwards is 054604507831
• The number of decimal digits it has is: 12
• The sum of 138705406450's digits is 43
• More coming soon!