138539028992
138,539,028,992 is an even composite number composed of five prime numbers multiplied together.
138539028992 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138539028992:
29 × 7 × 132 × 127 × 1801
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 13 × 127 × 1801)See below for interesting mathematical facts about the number 138539028992 from the Numbermatics database.
Names of 138539028992
- Cardinal: 138539028992 can be written as One hundred thirty-eight billion, five hundred thirty-nine million, twenty-eight thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 1.38539028992 × 1011
Factors of 138539028992
Divisors of 138539028992
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 127 128 169 182 208 224 254 256 338 364 416 448 508 512 676 728 832 889 896 1016 1183 1352 1456 1651 1664 1778 1792 1801 2032 2366 2704 2912 3302 3328 3556 3584 3602 4064 4732 5408 5824 6604 6656 7112 7204 8128 9464 10816 11557 11648 12607 13208 14224 14408 16256 18928 21463 21632 23114 23296 23413 25214 26416 28448 28816 32512 37856 42926 43264 46228 46592 46826 50428 52832 56896 57632 65024 75712 85852 86528 92456 93652 100856 105664 113792 115264 150241 151424 163891 171704 184912 187304 201712 211328 227584 228727 230528 300482 302848 304369 327782 343408 369824 374608 403424 422656 455168 457454 461056 600964 605696 608738 655564 686816 739648 749216 806848 845312 914908 922112 1201928 1217476 1311128 1373632 1479296 1498432 1601089 1613696 1829816 2130583 2403856 2434952 2622256 2747264 2958592 2973451 2996864 3202178 3227392 3659632 4261166 4807712 4869904 5244512 5494528 5917184 5946902 5993728 6404356 6454784 7319264 8522332 9615424 9739808 10489024 10989056 11893804 11987456 12808712 14638528 17044664 19230848 19479616 20814157 20978048 23787608 25617424 29277056 34089328 38461696 38654863 38959232 41628314 41956096 47575216 51234848 58554112 68178656 76923392 77309726 77918464 83256628 83912192 95150432 102469696 117108224 136357312 154619452 155836928 166513256 190300864 204939392 270584041 272714624 309238904 333026512 380601728 409878784 541168082 545429248 618477808 666053024 761203456 819757568 1082336164 1090858496 1236955616 1332106048 1522406912 2164672328 2473911232 2664212096 4329344656 4947822464 5328424192 8658689312 9895644928 10656848384 17317378624 19791289856 34634757248 69269514496 138539028992
- Sum of all divisors σ(n): 345447032832
- Sum of proper divisors (its aliquot sum) s(n): 206908003840
- 138539028992 is an abundant number, because the sum of its proper divisors (206908003840) is greater than itself. Its abundance is 68368974848
Bases of 138539028992
- Binary: 100000010000011001000111010010000000002
- Hexadecimal: 0x204191D200
- Base-36: 1RN6K6WW
Squares and roots of 138539028992
- 138539028992 squared (1385390289922) is 19193062554046216536064
- 138539028992 cubed (1385390289923) is 2658988249620278359597680309567488
-
The
square root of 138539028992 is 372208.3139748493 -
The
cube root of 138539028992 is 5174.3688027811
Scales and comparisons
How big is 138539028992?- 138,539,028,992 seconds is equal to 4,405 years, 5 weeks, 5 days, 23 hours, 36 minutes, 32 seconds.
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To count from 1 to 138,539,028,992 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 138539028992 cubic inches would be around 431.2 feet tall.
Recreational maths with 138539028992
- 138539028992 backwards is 299820935831
- The number of decimal digits it has is: 12
- The sum of 138539028992's digits is 59
- More coming soon!
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