138139428294

Names of 138139428294

• Cardinal: 138139428294 can be written as One hundred thirty-eight billion, one hundred thirty-nine million, four hundred twenty-eight thousand, two hundred ninety-four.

Scientific notation

• Scientific notation: 1.38139428294 × 10¹¹

Factors of 138139428294

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 171

Divisors of 138139428294

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 37 38 42 49 54 57 63 74 98 103 111 114 126 133 147 171 189 206 222 259 266 294 309 333 342 343 378 399 441 513 518 618 666 686 703 721 777 798 882 927 931 999 1026 1029 1197 1323 1406 1442 1554 1813 1854 1862 1957 1998 2058 2109 2163 2331 2394 2646 2781 2793 3087 3591 3626 3811 3914 4218 4326 4662 4921 5047 5439 5562 5586 5871 6174 6327 6489 6517 6993 7182 7622 8379 9261 9842 10094 10609 10878 11433 11742 12654 12691 12978 13034 13699 13986 14763 15141 16317 16758 17613 18522 18981 19467 19551 21218 22866 25137 25382 26677 27398 29526 30282 31827 32634 34299 34447 35226 35329 37962 38073 38934 39102 41097 44289 45423 48951 50274 52839 53354 58653 63654 68598 68894 70658 72409 74263 76146 80031 82194 88578 90846 95481 95893 97902 102897 103341 105678 105987 114219 117306 123291 132867 136269 144818 148526 160062 175959 186739 190962 191786 201571 205794 206682 211974 217227 222789 228438 240093 241129 246582 265734 272538 286443 287679 310023 317961 342657 351918 369873 373478 392533 403142 434454 445578 480186 482258 506863 519841 560217 572886 575358 604713 620046 635922 651681 668367 671251 685314 720279 723387 739746 785066 863037 930069 953883 1013726 1039682 1120434 1177599 1209426 1303362 1307173 1336734 1342502 1410997 1440558 1446774 1520589 1559523 1680651 1726074 1814139 1860138 1907766 1955043 2005101 2013753 2170161 2355198 2589111 2614346 2747731 2821994 3041178 3119046 3361302 3532797 3548041 3628278 3638887 3910086 3921519 4010202 4027506 4232991 4340322 4561767 4678569 5041953 5178222 5442417 5495462 6041259 6510483 7065594 7096082 7277774 7458127 7843038 8243193 8465982 9123534 9357138 9876979 10083906 10598391 10644123 10884834 10916661 11764557 12082518 12698973 13020966 13685301 14035707 14916254 16486386 18123777 19234117 19753958 21196782 21288246 21833322 22374381 23529114 24729579 24836287 25397946 27370602 28071414 29630937 31932369 32749983 35293671 36247554 38096919 38468234 44748762 49459158 49672574 52206889 57702351 59261874 63864738 65499966 67123143 69138853 70587342 74188737 74508861 76193838 88892811 95797107 98249949 104413778 115404702 134246286 134638819 138277706 148377474 149017722 156620667 173107053 177785622 191594214 196499898 201369429 207416559 223526583 266678433 269277638 313241334 346214106 365448223 402738858 403916457 414833118 447053166 469862001 519321159 533356866 622249677 670579749 730896446 807832914 939724002 1038642318 1096344669 1211749371 1244499354 1341159498 1409586003 1866749031 2192689338 2423498742 2558137561 2819172006 3289034007 3635248113 3733498062 5116275122 6578068014 7270496226 7674412683 9867102021 15348825366 19734204042 23023238049 46046476098 69069714147 138139428294
• Sum of all divisors σ(n): 390810240000
• Sum of proper divisors (its aliquot sum) s(n): 252670811706
• 138139428294 is an abundant number, because the sum of its proper divisors (252670811706) is greater than itself. Its abundance is 114531383412

Bases of 138139428294

• Binary: 10000000101001110000000110010111000110₂
• Hexadecimal: 0x2029C065C6
• Base-36: 1RGKND1I

Squares and roots of 138139428294

• 138139428294 squared (138139428294²) is 19082501649393167750436
• 138139428294 cubed (138139428294³) is 2636045868266484225074867109236184
• The square root of 138139428294 is 371671.1292177533
• The cube root of 138139428294 is 5169.3890446281

Scales and comparisons

• 138,139,428,294 seconds is equal to 4,392 years, 21 weeks, 23 hours, 24 minutes, 54 seconds.
• To count from 1 to 138,139,428,294 would take you about eight thousand, seven hundred eighty-four 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 138139428294 cubic inches would be around 430.8 feet tall.

Recreational maths with 138139428294

• 138139428294 backwards is 492824931831
• 138139428294 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138139428294's digits is 54
• More coming soon!