138637718570

Names of 138637718570

• Cardinal: 138637718570 can be written as One hundred thirty-eight billion, six hundred thirty-seven million, seven hundred eighteen thousand, five hundred seventy.

Scientific notation

• Scientific notation: 1.3863771857 × 10¹¹

Factors of 138637718570

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 233

Divisors of 138637718570

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 10 13 19 26 31 38 41 43 62 65 79 82 86 95 130 155 158 169 190 205 215 247 310 338 395 403 410 430 494 533 559 589 779 790 806 817 845 1027 1066 1118 1178 1235 1271 1333 1501 1558 1634 1690 1763 2015 2054 2449 2470 2542 2665 2666 2795 2945 3002 3211 3239 3397 3526 3895 4030 4085 4898 5135 5239 5330 5590 5890 6355 6422 6478 6665 6794 6929 7267 7505 7657 7790 8170 8815 10127 10270 10478 10621 12245 12710 13330 13351 13858 14534 15010 15314 16055 16195 16523 16985 17329 17630 19513 20254 21242 22919 24149 24490 25327 26195 26702 31837 32110 32390 33046 33497 33970 34645 34658 36335 38285 39026 42107 44161 45838 46531 48298 50635 50654 52390 53105 54653 61541 63674 64543 66755 66994 69290 72670 76570 82615 84214 86645 88322 93062 97565 99541 100409 101270 105307 106210 109306 114595 120745 123082 126635 129086 131651 133510 138073 139277 159185 165230 167485 173290 195130 199082 200818 210535 210614 214799 220805 225277 229190 232655 241490 253270 253669 263302 273265 276146 278554 297947 307705 313937 318370 322715 329251 334970 413881 421070 429598 435461 441610 450554 465310 497705 502045 507338 526535 546530 547391 574093 595894 604903 615410 627874 645430 658255 658502 690365 696385 710489 800033 827762 839059 870922 995410 1004090 1038407 1053070 1073995 1094782 1126385 1148186 1209806 1268345 1305317 1316510 1368991 1380730 1392770 1420978 1489735 1569685 1600066 1646255 1678118 1810601 1907771 2000833 2069405 2076814 2147990 2177305 2252770 2536690 2610634 2646263 2736955 2737982 2870465 2979470 3024515 3139370 3292510 3552445 3621202 3815542 4000165 4001666 4081181 4138810 4195295 4280263 4317587 4354610 5192035 5292526 5473910 5660993 5740930 6049030 6526585 6844955 7104890 7863739 8000330 8162362 8390590 8560526 8635174 9053005 9236357 9538855 10004165 10384070 10400429 10907767 11321986 13053170 13231315 13499291 13689910 15727478 16969121 17796883 18106010 18472714 19077710 20008330 20405905 20800858 21401315 21587935 21815534 23537813 24801023 26010829 26462630 26998582 28304965 33938242 34401419 35593766 39318695 40811810 42802630 43175870 46181785 47075626 49602046 52002145 52021658 54538835 56128631 56609930 67496455 68802838 78637390 82034153 84845605 88984415 92363570 104004290 109077670 112257262 117689065 124005115 130054145 134992910 164068306 169691210 172007095 175490783 177968830 235378130 248010230 260108290 280643155 322413299 338140777 344014190 350981566 410170765 447218447 561286310 644826598 676281554 729672203 820341530 877453915 894436894 1066443989 1459344406 1612066495 1690703885 1754907830 2132887978 2236092235 3224132990 3381407770 3648361015 4472184470 5332219945 7296722030 10664439890 13863771857 27727543714 69318859285 138637718570
• Sum of all divisors σ(n): 311670374400
• Sum of proper divisors (its aliquot sum) s(n): 173032655830
• 138637718570 is an abundant number, because the sum of its proper divisors (173032655830) is greater than itself. Its abundance is 34394937260

Bases of 138637718570

• Binary: 10000001000111011100111011010000101010₂
• Hexadecimal: 0x204773B42A
• Base-36: 1ROTBGA2

Squares and roots of 138637718570

• 138637718570 squared (138637718570²) is 19220417010294522844900
• 138637718570 cubed (138637718570³) is 2664674764271252850983681959793000
• The square root of 138637718570 is 372340.8634168429
• The cube root of 138637718570 is 5175.5971812107

Scales and comparisons

• 138,637,718,570 seconds is equal to 4,408 years, 13 weeks, 5 hours, 22 minutes, 50 seconds.
• To count from 1 to 138,637,718,570 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 138637718570 cubic inches would be around 431.3 feet tall.

Recreational maths with 138637718570

• 138637718570 backwards is 075817736831
• The number of decimal digits it has is: 12
• The sum of 138637718570's digits is 56
• More coming soon!