138887305128
138,887,305,128 is an even composite number composed of five prime numbers multiplied together.
138887305128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 138887305128:
23 × 35 × 113 × 13 × 4129
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 11 × 13 × 4129)See below for interesting mathematical facts about the number 138887305128 from the Numbermatics database.
Names of 138887305128
- Cardinal: 138887305128 can be written as One hundred thirty-eight billion, eight hundred eighty-seven million, three hundred five thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38887305128 × 1011
Factors of 138887305128
Divisors of 138887305128
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 18 22 24 26 27 33 36 39 44 52 54 66 72 78 81 88 99 104 108 117 121 132 143 156 162 198 216 234 242 243 264 286 297 312 324 351 363 396 429 468 484 486 572 594 648 702 726 792 858 891 936 968 972 1053 1089 1144 1188 1287 1331 1404 1452 1573 1716 1782 1944 2106 2178 2376 2574 2662 2673 2808 2904 3146 3159 3267 3432 3564 3861 3993 4129 4212 4356 4719 5148 5324 5346 6292 6318 6534 7128 7722 7986 8258 8424 8712 9438 9801 10296 10648 10692 11583 11979 12387 12584 12636 13068 14157 15444 15972 16516 17303 18876 19602 21384 23166 23958 24774 25272 26136 28314 29403 30888 31944 33032 34606 34749 35937 37161 37752 39204 42471 45419 46332 47916 49548 51909 53677 56628 58806 69212 69498 71874 74322 78408 84942 90838 92664 95832 99096 103818 107354 107811 111483 113256 117612 127413 136257 138424 138996 143748 148644 155727 161031 169884 181676 207636 214708 215622 222966 235224 254826 272514 277992 287496 297288 311454 322062 323433 334449 339768 363352 382239 408771 415272 429416 431244 445932 467181 483093 499609 509652 545028 590447 622908 644124 646866 668898 764478 817542 862488 891864 934362 966186 999218 1003347 1019304 1090056 1180894 1226313 1245816 1288248 1293732 1337796 1401543 1449279 1498827 1528956 1635084 1771341 1868724 1932372 1998436 2006694 2361788 2452626 2587464 2675592 2803086 2898558 2997654 3057912 3270168 3542682 3678939 3737448 3864744 3996872 4013388 4204629 4347837 4496481 4723576 4905252 5314023 5495699 5606172 5797116 5995308 6494917 7085364 7357878 8026776 8409258 8695674 8992962 9810504 10628046 10991398 11036817 11212344 11594232 11990616 12989834 13043511 13489443 14170728 14715756 15942069 16487097 16818516 17391348 17985924 19484751 21256092 21982796 22073634 25979668 26087022 26978886 29431512 31884138 32974194 33637032 34782696 35971848 38969502 40468329 42512184 43965592 44147268 47826207 49461291 51959336 52174044 53957772 58454253 63768276 65948388 71444087 77939004 80936658 88294536 95652414 98922582 104348088 107915544 116908506 121404987 127536552 131896776 142888174 143478621 148383873 155878008 161873316 175362759 191304828 197845164 214332261 233817012 242809974 285776348 286957242 296767746 323746632 350725518 382609656 395690328 428664522 445151619 467634024 485619948 526088277 571552696 573914484 593535492 642996783 701451036 857329044 890303238 971239896 1052176554 1147828968 1187070984 1285993566 1335454857 1402902072 1578264831 1714658088 1780606476 1928990349 2104353108 2571987132 2670909714 3156529662 3561212952 3857980698 4208706216 5143974264 5341819428 5786971047 6313059324 7715961396 10683638856 11573942094 12626118648 15431922792 17360913141 23147884188 34721826282 46295768376 69443652564 138887305128
- Sum of all divisors σ(n): 462180700800
- Sum of proper divisors (its aliquot sum) s(n): 323293395672
- 138887305128 is an abundant number, because the sum of its proper divisors (323293395672) is greater than itself. Its abundance is 184406090544
Bases of 138887305128
- Binary: 100000010101100101010000010111101010002
- Hexadecimal: 0x20565417A8
- Base-36: 1RSXWYI0
Squares and roots of 138887305128
- 138887305128 squared (1388873051282) is 19289683525718175096384
- 138887305128 cubed (1388873051283) is 2679092161658975019946815417457152
-
The
square root of 138887305128 is 372675.8714057029 -
The
cube root of 138887305128 is 5178.7011587283
Scales and comparisons
How big is 138887305128?- 138,887,305,128 seconds is equal to 4,416 years, 9 weeks, 4 days, 22 hours, 58 minutes, 48 seconds.
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To count from 1 to 138,887,305,128 would take you about eight thousand, eight hundred thirty-two 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 138887305128 cubic inches would be around 431.6 feet tall.
Recreational maths with 138887305128
- 138887305128 backwards is 821503788831
- 138887305128 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138887305128's digits is 54
- More coming soon!
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