138437021268

Names of 138437021268

• Cardinal: 138437021268 can be written as One hundred thirty-eight billion, four hundred thirty-seven million, twenty-one thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38437021268 × 10¹¹

Factors of 138437021268

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 25

Divisors of 138437021268

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 49 52 54 63 78 81 84 91 98 108 117 126 147 156 162 169 182 189 196 234 243 252 273 294 324 338 343 351 364 378 441 468 486 507 546 567 588 637 676 686 702 729 756 819 882 972 1014 1029 1053 1092 1134 1183 1274 1323 1372 1404 1458 1521 1638 1701 1764 1911 2028 2058 2106 2187 2197 2268 2366 2401 2457 2548 2646 2916 3042 3087 3159 3276 3402 3549 3822 3969 4116 4212 4374 4394 4459 4563 4732 4802 4914 5103 5292 5733 6084 6174 6318 6561 6591 6804 7098 7203 7371 7644 7938 8281 8748 8788 8918 9126 9261 9477 9604 9828 10206 10647 11466 11907 12348 12636 13122 13182 13377 13689 14196 14406 14742 15309 15379 15876 16562 17199 17836 18252 18522 18954 19773 20412 21294 21609 22113 22932 23814 24843 26244 26364 26754 27378 27783 28431 28812 29484 30618 30758 31213 31941 33124 34398 35721 37044 37908 39546 40131 41067 42588 43218 44226 45927 46137 47628 49686 51597 53508 54756 55566 56862 57967 59319 61236 61516 62426 63882 64827 66339 68796 71442 74529 79092 80262 82134 83349 85293 86436 88452 91854 92274 93639 95823 99372 103194 107163 107653 111132 113724 115934 118638 120393 123201 124852 127764 129654 132678 138411 142884 149058 154791 160524 164268 166698 170586 173901 177957 183708 184548 187278 191646 194481 199017 206388 214326 215306 223587 231868 237276 240786 246402 250047 259308 265356 276822 280917 287469 298116 309582 321489 322959 333396 341172 347802 355914 361179 369603 374556 383292 388962 398034 405769 415233 428652 430612 447174 464373 481572 492804 500094 521703 533871 553644 561834 574938 583443 597051 619164 642978 645918 670761 695604 711828 722358 739206 750141 753571 777924 796068 811538 830466 842751 862407 894348 928746 968877 1000188 1043406 1067742 1083537 1108809 1123668 1149876 1166886 1194102 1217307 1245699 1285956 1291836 1341522 1393119 1444716 1478412 1500282 1507142 1565109 1601613 1623076 1660932 1685502 1724814 1750329 1857492 1937754 2012283 2086812 2135484 2167074 2217618 2250423 2260713 2333772 2388204 2434614 2491398 2528253 2587221 2683044 2786238 2906631 3000564 3014284 3130218 3203226 3250611 3371004 3449628 3500658 3651921 3737097 3875508 4024566 4179357 4334148 4435236 4500846 4521426 4695327 4804839 4869228 4982796 5056506 5174442 5250987 5274997 5572476 5813262 6036849 6260436 6406452 6501222 6782139 7001316 7303842 7474194 7584759 7761663 8049132 8358714 8719893 9001692 9042852 9390654 9609678 9751833 10113012 10348884 10501974 10549994 10955763 11211291 11626524 12073698 13002444 13564278 14085981 14414517 14607684 14948388 15169518 15523326 15752961 15824991 16717428 17439786 18110547 18781308 19219356 19503666 20346417 21003948 21099988 21911526 22422582 22754277 24147396 26159679 27128556 28171962 28829034 29255499 30339036 31046652 31505922 31649982 32867289 33633873 34879572 36221094 39007332 40692834 42257943 43823052 44845164 45508554 47474973 52319358 54331641 56343924 57658068 58510998 61039251 63011844 63299964 65734578 67267746 68262831 72442188 78479037 81385668 84515886 91017108 94949946 98601867 100901619 104638716 108663282 117021996 122078502 126773829 131469156 134535492 136525662 142424919 156958074 169031772 183117753 189899892 197203734 201803238 204788493 217326564 235437111 244157004 253547658 273051324 284849838 295805601 313916148 366235506 380321487 394407468 403606476 409576986 427274757 470874222 507095316 549353259 569699676 591611202 706311333 732471012 760642974 819153972 854549514 887416803 941748444 1098706518 1183222404 1281824271 1412622666 1521285948 1648059777 1709099028 1774833606 2197413036 2563648542 2662250409 2825245332 3296119554 3549667212 3845472813 4944179331 5127297084 5324500818 6592239108 7690945626 9888358662 10649001636 11536418439 15381891252 19776717324 23072836878 34609255317 46145673756 69218510634 138437021268
• Sum of all divisors σ(n): 459226919060
• Sum of proper divisors (its aliquot sum) s(n): 320789897792
• 138437021268 is an abundant number, because the sum of its proper divisors (320789897792) is greater than itself. Its abundance is 182352876524

Bases of 138437021268

• Binary: 10000000111011011111010100111001010100₂
• Hexadecimal: 0x203B7D4E54
• Base-36: 1RLHTT90

Squares and roots of 138437021268

• 138437021268 squared (138437021268²) is 19164808857556684327824
• 138437021268 cubed (138437021268³) is 2653119051410729490806533372160832
• The square root of 138437021268 is 372071.2583202309
• The cube root of 138437021268 is 5173.0985104805

Scales and comparisons

• 138,437,021,268 seconds is equal to 4,401 years, 45 weeks, 1 day, 8 hours, 7 minutes, 48 seconds.
• To count from 1 to 138,437,021,268 would take you about eight thousand, eight hundred three 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 138437021268 cubic inches would be around 431.1 feet tall.

Recreational maths with 138437021268

• 138437021268 backwards is 862120734831
• The number of decimal digits it has is: 12
• The sum of 138437021268's digits is 45
• More coming soon!