138779299890

Names of 138779299890

• Cardinal: 138779299890 can be written as One hundred thirty-eight billion, seven hundred seventy-nine million, two hundred ninety-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.3877929989 × 10¹¹

Factors of 138779299890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 282

Divisors of 138779299890

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 49 54 55 61 63 66 70 77 81 90 98 99 105 110 122 126 135 147 154 162 165 183 189 193 198 210 231 243 245 270 294 297 305 315 330 366 378 385 386 405 427 441 462 486 490 495 539 549 567 579 594 610 630 671 693 729 735 770 810 854 882 891 915 945 965 990 1078 1098 1134 1155 1158 1215 1281 1323 1342 1351 1386 1458 1470 1485 1617 1647 1701 1737 1782 1830 1890 1930 2013 2079 2123 2135 2187 2205 2310 2430 2562 2646 2673 2695 2702 2745 2835 2895 2970 2989 3234 3294 3355 3402 3465 3474 3645 3843 3969 4026 4053 4158 4246 4270 4374 4410 4455 4697 4851 4941 5103 5211 5346 5390 5490 5670 5790 5978 6039 6237 6369 6405 6615 6710 6755 6930 7290 7686 7938 8019 8085 8106 8235 8505 8685 8910 8967 9394 9457 9702 9882 10065 10206 10395 10422 10615 10935 11529 11773 11907 12078 12159 12474 12738 12810 13230 13365 13510 14091 14553 14823 14861 14945 15309 15633 16038 16170 16470 17010 17370 17934 18117 18711 18914 19107 19215 19845 20130 20265 20790 21230 21870 23058 23485 23546 23814 24057 24255 24318 24705 25515 26055 26730 26901 28182 28371 29106 29646 29722 29890 30195 30618 31185 31266 31845 32879 34587 35319 35721 36234 36477 37422 38214 38430 39690 40095 40530 42273 43659 44469 44583 44835 46899 46970 47285 48114 48510 49410 51030 52110 53802 54351 56133 56742 57321 57645 58865 59535 60390 60795 62370 63690 65758 69174 70455 70638 71442 72765 72954 74115 74305 76545 78165 80190 80703 82411 84546 85113 87318 88938 89166 89670 90585 93555 93798 94570 95535 98637 103761 104027 105957 107163 108702 109431 112266 114642 115290 117730 119070 120285 121590 126819 129503 130977 133407 133749 134505 140697 140910 141855 145530 148230 148610 153090 156330 161406 163053 164395 164822 168399 170226 171963 172935 176595 178605 181170 182385 187110 191070 197274 207522 208054 211365 211914 214326 218295 218862 222345 222915 234495 240570 242109 247233 253638 255339 259006 261954 266814 267498 269010 271755 280665 281394 283710 286605 295911 311283 312081 317871 326106 328293 328790 336798 343926 345870 353190 357210 364770 380457 388509 392931 401247 403515 412055 422091 422730 425565 436590 444690 445830 468990 484218 489159 493185 494466 510678 515889 518805 520135 529785 535815 543510 547155 561330 573210 576877 591822 622566 624162 634095 635742 647515 654885 656586 667035 668745 703485 726327 741699 760914 766017 777018 785862 802494 807030 815265 824110 841995 844182 851130 859815 887733 906521 933849 936243 953613 978318 984879 986370 1031778 1037610 1040270 1059570 1071630 1094310 1141371 1153754 1165527 1178793 1203741 1210545 1236165 1268190 1276695 1295030 1309770 1334070 1337490 1406970 1452654 1467477 1479555 1483398 1532034 1547667 1556415 1560405 1589355 1630530 1641465 1683990 1719630 1730631 1775466 1813042 1867698 1872486 1902285 1907226 1942545 1964655 1969758 2006235 2110455 2178981 2225097 2282742 2298051 2331054 2357586 2407482 2421090 2445795 2472330 2553390 2579445 2663199 2719563 2808729 2860839 2884385 2934954 2954637 2959110 3095334 3112830 3120810 3178710 3282930 3424113 3461262 3496581 3611223 3631635 3708495 3804570 3830085 3885090 3929310 4012470 4220910 4357962 4438665 4450194 4532605 4596102 4643001 4669245 4681215 4768065 4891590 4924395 5158890 5191893 5326398 5439126 5617458 5706855 5721678 5768770 5827635 5893965 5909274 6018705 6345647 6536943 6675291 6848226 6894153 6993162 7222446 7263270 7337385 7416990 7660170 7738335 7989597 8158689 8426187 8582517 8653155 8877330 9065210 9286002 9338490 9362430 9536130 9848790 10272339 10383786 10489743 10833669 10894905 11125485 11413710 11490255 11655270 11787930 12037410 12691294 13073886 13315995 13350582 13597815 13788306 14043645 14304195 14674770 14773185 15476670 15575679 15979194 16317378 16852374 17120565 17165034 17306310 17482905 18056115 19036941 20025873 20544678 20682459 20979486 21667338 21789810 22250970 22980510 23215005 23968791 24476067 25278561 25747551 25959465 26631990 27195630 28087290 28608390 29546370 31151358 31469229 31728235 32501007 32684715 33376455 34241130 34470765 34965810 36112230 38073882 39947985 40051746 40793445 41364918 42130935 42912585 46430010 46727037 47937582 48952134 50557122 51361695 51495102 51918930 52448715 54168345 57110823 60077619 62938458 63456470 65002014 65369430 66752910 68941530 71906373 73428201 75835683 77878395 79895970 81586890 84261870 85825170 93454074 94407687 95184705 100129365 102723390 103412295 104897430 108336690 114221646 119843955 120155238 122380335 126392805 128737755 140181111 143812746 146856402 151671366 155756790 157346145 162505035 171332469 180232857 188815374 190369410 200258730 206824590 220284603 227507049 233635185 239687910 244760670 252785610 257475510 280362222 283223061 285554115 300388095 314692290 325010070 342664938 359531865 360465714 367141005 379178415 420543333 440569206 455014098 467270370 472038435 513997407 566446122 571108230 600776190 660853809 700905555 719063730 734282010 758356830 841086666 856662345 901164285 944076870 1027994814 1101423015 1137535245 1261629999 1321707618 1401811110 1416115305 1541992221 1713324690 1802328570 1982561427 2102716665 2202846030 2275070490 2523259998 2569987035 2832230610 3083984442 3304269045 3965122854 4205433330 4625976663 5139974070 6308149995 6608538090 7709961105 9251953326 9912807135 12616299990 13877929989 15419922210 19825614270 23129883315 27755859978 46259766630 69389649945 138779299890
• Sum of all divisors σ(n): 485731054080
• Sum of proper divisors (its aliquot sum) s(n): 346951754190
• 138779299890 is an abundant number, because the sum of its proper divisors (346951754190) is greater than itself. Its abundance is 208172454300

Bases of 138779299890

• Binary: 10000001001111111001000001000000110010₂
• Hexadecimal: 0x204FE41032
• Base-36: 1RR5M14I

Squares and roots of 138779299890

• 138779299890 squared (138779299890²) is 19259694077958554012100
• 138779299890 cubed (138779299890³) is 2672846860234667206235988588669000
• The square root of 138779299890 is 372530.9381648725
• The cube root of 138779299890 is 5177.3584108567

Scales and comparisons

• 138,779,299,890 seconds is equal to 4,412 years, 39 weeks, 21 hours, 31 minutes, 30 seconds.
• To count from 1 to 138,779,299,890 would take you about eight thousand, eight hundred twenty-five 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 138779299890 cubic inches would be around 431.4 feet tall.

Recreational maths with 138779299890

• 138779299890 backwards is 098992977831
• The number of decimal digits it has is: 12
• The sum of 138779299890's digits is 72
• More coming soon!