138672029808

Names of 138672029808

• Cardinal: 138672029808 can be written as One hundred thirty-eight billion, six hundred seventy-two million, twenty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.38672029808 × 10¹¹

Factors of 138672029808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2039

Divisors of 138672029808

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 27 34 36 39 48 51 52 54 68 72 78 81 102 104 108 117 136 144 153 156 162 204 208 216 221 234 272 281 306 312 324 351 408 432 442 459 468 562 612 624 648 663 702 816 843 884 918 936 1053 1124 1224 1296 1326 1377 1404 1686 1723 1768 1836 1872 1989 2106 2248 2448 2529 2652 2754 2808 3372 3446 3536 3653 3672 3978 4212 4496 4777 5058 5169 5304 5508 5616 5967 6744 6892 7306 7344 7587 7956 8424 9554 10116 10338 10608 10959 11016 11934 13488 13784 14331 14612 15174 15507 15912 16848 17901 19108 20232 20676 21918 22032 22399 22761 23868 27568 28662 29224 29291 30348 31014 31824 32877 35802 38216 40464 41352 42993 43836 44798 45522 46521 47736 57324 58448 58582 60696 62028 62101 65754 67197 71604 76432 82704 85986 87672 87873 89596 91044 93042 95472 98631 114648 117164 121392 124056 124202 128979 131508 134394 139563 143208 171972 175344 175746 179192 182088 186084 186303 197262 201591 229296 234328 248112 248404 257958 263016 263619 268788 279126 286416 295893 343944 351492 358384 364176 372168 372606 380783 386937 394524 403182 468656 484163 496808 515916 526032 527238 537576 558252 558909 591786 604773 687888 702984 744336 745212 761566 773874 789048 790857 806364 968326 993616 1031832 1054476 1075152 1116504 1117818 1142349 1183572 1209546 1405968 1452489 1490424 1523132 1547748 1578096 1581714 1612728 1676727 1814319 1936652 2063664 2108952 2233008 2235636 2284698 2367144 2372571 2419092 2904978 2980848 3046264 3095496 3163428 3225456 3353454 3427047 3628638 3873304 4217904 4357467 4471272 4569396 4734288 4745142 4838184 5030181 5809956 6092528 6190992 6294119 6326856 6706908 6854094 7257276 7746608 8230771 8714934 8942544 9138792 9490284 9676368 10060362 10281141 11619912 12588238 12653712 13072401 13413816 13708188 14514552 16461542 17429868 18277584 18882357 18980568 20120724 20562282 23239824 24692313 25176476 26144802 26827632 27416376 29029104 30843423 32923084 34859736 37764714 37961136 39217203 40241448 41124564 49384626 50352952 52289604 54832752 56647071 61686846 65846168 69719472 74076939 75529428 78434406 80482896 82249128 98769252 100705904 104579208 107000023 113294142 123373692 131692336 148153878 151058856 156868812 164498256 169941213 197538504 209158416 214000046 222230817 226588284 246747384 296307756 302117712 313737624 321000069 339882426 395077008 428000092 444461634 453176568 493494768 509823639 592615512 627475248 642000138 666692451 679764852 856000184 888923268 906353136 963000207 1019647278 1185231024 1284000276 1333384902 1359529704 1712000368 1777846536 1926000414 2039294556 2568000552 2666769804 2719059408 2889000621 3555693072 3852000828 4078589112 5136001104 5333539608 5778001242 7704001656 8157178224 8667001863 10667079216 11556002484 15408003312 17334003726 23112004968 34668007452 46224009936 69336014904 138672029808
• Sum of all divisors σ(n): 459551274336
• Sum of proper divisors (its aliquot sum) s(n): 320879244528
• 138672029808 is an abundant number, because the sum of its proper divisors (320879244528) is greater than itself. Its abundance is 182207214720

Bases of 138672029808

• Binary: 10000001001001011111110100000001110000₂
• Hexadecimal: 0x20497F4070
• Base-36: 1RPDQV00

Squares and roots of 138672029808

• 138672029808 squared (138672029808²) is 19229931851070840516864
• 138672029808 cubed (138672029808³) is 2666653682857504212874178734682112
• The square root of 138672029808 is 372386.9356032781
• The cube root of 138672029808 is 5176.0241128827

Scales and comparisons

• 138,672,029,808 seconds is equal to 4,409 years, 17 weeks, 5 days, 8 hours, 16 minutes, 48 seconds.
• To count from 1 to 138,672,029,808 would take you about eight thousand, eight hundred eighteen 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 138672029808 cubic inches would be around 431.3 feet tall.

Recreational maths with 138672029808

• 138672029808 backwards is 808920276831
• 138672029808 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138672029808's digits is 54
• More coming soon!