138987396912
138,987,396,912 is an even composite number composed of six prime numbers multiplied together.
138987396912 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 138987396912:
24 × 3 × 72 × 13 × 732 × 853
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 13 × 73 × 73 × 853)See below for interesting mathematical facts about the number 138987396912 from the Numbermatics database.
Names of 138987396912
- Cardinal: 138987396912 can be written as One hundred thirty-eight billion, nine hundred eighty-seven million, three hundred ninety-six thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 1.38987396912 × 1011
Factors of 138987396912
Divisors of 138987396912
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 73 78 84 91 98 104 112 146 147 156 168 182 196 208 219 273 292 294 312 336 364 392 438 511 546 584 588 624 637 728 784 853 876 949 1022 1092 1168 1176 1274 1456 1533 1706 1752 1898 1911 2044 2184 2352 2548 2559 2847 3066 3412 3504 3577 3796 3822 4088 4368 5096 5118 5329 5694 5971 6132 6643 6824 7154 7592 7644 8176 10192 10236 10658 10731 11089 11388 11942 12264 13286 13648 14308 15184 15288 15987 17913 19929 20472 21316 21462 22178 22776 23884 24528 26572 28616 30576 31974 33267 35826 37303 39858 40944 41797 42632 42924 44356 45552 46501 47768 53144 57232 62269 63948 66534 69277 71652 74606 77623 79716 83594 85264 85848 88712 93002 95536 106288 111909 124538 125391 127896 133068 138554 139503 143304 149212 155246 159432 167188 171696 177424 186004 186807 207831 223818 232869 249076 250782 255792 261121 266136 277108 279006 286608 298424 310492 318864 334376 372008 373614 415662 435883 447636 465738 484939 498152 501564 522242 532272 543361 554216 558012 596848 620984 668752 744016 747228 783363 809497 831324 871766 895272 931476 969878 996304 1003128 1044484 1086722 1108432 1116024 1241968 1307649 1454817 1494456 1566726 1618994 1630083 1662648 1743532 1790544 1862952 1939756 2006256 2088968 2173444 2232048 2428491 2615298 2909634 2988912 3051181 3133452 3237988 3260166 3325296 3394573 3487064 3725904 3879512 4177936 4346888 4545637 4856982 5230596 5666479 5819268 6102362 6266904 6475976 6520332 6789146 6974128 7759024 8693776 9091274 9153543 9713964 10183719 10461192 11332958 11638536 12204724 12533808 12951952 13040664 13578292 13636911 16999437 18182548 18307086 19427928 20367438 20922384 22665916 23277072 24409448 26081328 27156584 27273822 31819459 33998874 36365096 36614172 38855856 39665353 40734876 45331832 48818896 54313168 54547644 59093281 63638918 67997748 72730192 73228344 79330706 81469752 90663664 95458377 109095288 118186562 118996059 127277836 135995496 146456688 158661412 162939504 177279843 190916754 218190576 222736213 236373124 237992118 254555672 271990992 317322824 354559686 381833508 413652967 445472426 472746248 475984236 509111344 634645648 668208639 709119372 763667016 827305934 890944852 945492496 951968472 1240958901 1336417278 1418238744 1527334032 1654611868 1781889704 1903936944 2481917802 2672834556 2836477488 2895570769 3309223736 3563779408 4963835604 5345669112 5791141538 6618447472 8686712307 9927671208 10691338224 11582283076 17373424614 19855342416 23164566152 34746849228 46329132304 69493698456 138987396912
- Sum of all divisors σ(n): 456580558224
- Sum of proper divisors (its aliquot sum) s(n): 317593161312
- 138987396912 is an abundant number, because the sum of its proper divisors (317593161312) is greater than itself. Its abundance is 178605764400
Bases of 138987396912
- Binary: 100000010111000100101101011111001100002
- Hexadecimal: 0x205C4B5F30
- Base-36: 1RULI9TC
Squares and roots of 138987396912
- 138987396912 squared (1389873969122) is 19317496500373827135744
- 138987396912 cubed (1389873969123) is 2684888553443628068492127430422528
-
The
square root of 138987396912 is 372810.1352055761 -
The
cube root of 138987396912 is 5179.9449032367
Scales and comparisons
How big is 138987396912?- 138,987,396,912 seconds is equal to 4,419 years, 19 weeks, 1 day, 10 hours, 15 minutes, 12 seconds.
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To count from 1 to 138,987,396,912 would take you about eight thousand, eight hundred thirty-eight 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 138987396912 cubic inches would be around 431.7 feet tall.
Recreational maths with 138987396912
- 138987396912 backwards is 219693789831
- The number of decimal digits it has is: 12
- The sum of 138987396912's digits is 66
- More coming soon!
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