138538365812
138,538,365,812 is an even composite number composed of six prime numbers multiplied together.
What does the number 138538365812 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 432 divisors.
138538365812 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 138538365812:
22 × 72 × 112 × 173 × 29 × 41
(2 × 2 × 7 × 7 × 11 × 11 × 17 × 17 × 17 × 29 × 41)See below for interesting mathematical facts about the number 138538365812 from the Numbermatics database.
Names of 138538365812
- Cardinal: 138538365812 can be written as One hundred thirty-eight billion, five hundred thirty-eight million, three hundred sixty-five thousand, eight hundred twelve.
Scientific notation
- Scientific notation: 1.38538365812 × 1011
Factors of 138538365812
Divisors of 138538365812
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 4 7 11 14 17 22 28 29 34 41 44 49 58 68 77 82 98 116 119 121 154 164 187 196 203 238 242 287 289 308 319 374 406 451 476 484 493 539 574 578 638 697 748 812 833 847 902 986 1078 1148 1156 1189 1276 1309 1394 1421 1666 1694 1804 1972 2009 2023 2057 2156 2233 2378 2618 2788 2842 3157 3179 3332 3388 3451 3509 4018 4046 4114 4466 4756 4879 4913 4961 5236 5423 5684 5929 6314 6358 6902 7018 7667 8036 8092 8228 8323 8381 8932 9163 9758 9826 9922 10846 11849 11858 12628 12716 13079 13804 14036 14161 14399 15334 15631 16646 16762 18326 19516 19652 19844 20213 21692 22099 22253 23698 23716 24157 24563 26158 28322 28798 30668 31262 33292 33524 34153 34391 34727 34969 36652 37961 40426 44198 44506 47396 48314 49126 52316 53669 54043 56644 57596 58261 58667 59653 62524 68306 68782 69454 69938 75922 80852 82943 84337 88396 89012 91553 92191 96628 98252 100793 107338 108086 116522 117334 119306 130339 136612 137564 138908 139876 141491 142477 143869 151844 155771 165886 168674 171941 183106 184382 201433 201586 214676 216172 222343 233044 234668 238612 240737 243089 244783 260678 265727 282982 284954 287738 311542 331772 337348 343621 343882 366212 368764 375683 378301 402866 403172 410669 417571 444686 481474 486178 489566 521356 531454 565964 569908 575476 580601 590359 594473 623084 640871 645337 687242 687764 751366 756602 805732 821338 835142 889372 912373 962948 972356 979132 990437 997339 1007083 1014101 1062908 1161202 1180718 1188946 1281742 1290674 1374484 1410031 1433729 1502732 1513204 1556401 1567247 1642676 1670284 1713481 1824746 1980874 1994678 2014166 2028202 2215763 2322404 2361436 2377892 2405347 2445773 2563484 2581348 2648107 2820062 2867458 2922997 3112802 3134494 3426962 3649492 3779831 3961748 3989356 4028332 4056404 4132513 4161311 4431526 4517359 4810694 4891546 5296214 5640124 5734916 5841557 5845994 6225604 6268988 6386611 6853924 6981373 7049581 7098707 7559662 8265026 8322622 8863052 9034718 9621388 9783092 9870217 10036103 10592428 10894807 10970729 11683114 11691988 12773222 13962746 14099162 14197414 15119324 15510341 16530052 16645244 16837429 17120411 17239717 18069436 19740434 20072206 21789614 21941458 23366228 24373393 25546444 26458817 27925492 28198324 28394828 29129177 31020682 33674858 34240822 34479434 39480868 40144412 40890899 41578141 43579228 43882916 48746786 49690949 52917634 58258354 62041364 64257127 67349716 68481644 68958868 70252721 76795103 81781798 83156282 97493572 99381898 105835268 108572387 116516708 119842877 120678019 128514254 140505442 153590206 163563596 166312564 170613751 185211719 198763796 217144774 239685754 241356038 257028508 281010884 286236293 291046987 307180412 341227502 370423438 434289548 449799889 479371508 482712076 572472586 582093974 682455004 706828397 740846876 844746133 899599778 1144945172 1164187948 1194296257 1413656794 1689492266 1799199556 2037328909 2388592514 2827313588 3148599223 3378984532 4074657818 4777185028 4947798779 6297198446 8149315636 9895597558 12594396892 19791195116 34634591453 69269182906 138538365812
- Sum of all divisors σ(n): 349032272400
- Sum of proper divisors (its aliquot sum) s(n): 210493906588
- 138538365812 is an abundant number, because the sum of its proper divisors (210493906588) is greater than itself. Its abundance is 71955540776
Bases of 138538365812
- Binary: 100000010000011000011110110011011101002
- Hexadecimal: 0x204187B374
- Base-36: 1RN65Z78
Squares and roots of 138538365812
- 138538365812 squared (1385383658122) is 19192878801859530419344
- 138538365812 cubed (1385383658123) is 2658950064437395891073620833067328
-
The
square root of 138538365812 is 372207.4231016893 -
The
cube root of 138538365812 is 5174.3605462789
Scales and comparisons
How big is 138538365812?- 138,538,365,812 seconds is equal to 4,405 years, 4 weeks, 5 days, 7 hours, 23 minutes, 32 seconds.
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To count from 1 to 138,538,365,812 would take you about eight thousand, eight hundred ten 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 138538365812 cubic inches would be around 431.2 feet tall.
Recreational maths with 138538365812
- 138538365812 backwards is 218563835831
- The number of decimal digits it has is: 12
- The sum of 138538365812's digits is 53
- More coming soon!
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The information we have on file for 138538365812 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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