138008871728
138,008,871,728 is an even composite number composed of six prime numbers multiplied together.
138008871728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138008871728:
24 × 7 × 13 × 312 × 53 × 1861
(2 × 2 × 2 × 2 × 7 × 13 × 31 × 31 × 53 × 1861)See below for interesting mathematical facts about the number 138008871728 from the Numbermatics database.
Names of 138008871728
- Cardinal: 138008871728 can be written as One hundred thirty-eight billion, eight million, eight hundred seventy-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38008871728 × 1011
Factors of 138008871728
Divisors of 138008871728
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 31 52 53 56 62 91 104 106 112 124 182 208 212 217 248 364 371 403 424 434 496 689 728 742 806 848 868 961 1378 1456 1484 1612 1643 1736 1861 1922 2756 2821 2968 3224 3286 3472 3722 3844 4823 5512 5642 5936 6448 6572 6727 7444 7688 9646 11024 11284 11501 12493 13027 13144 13454 14888 15376 19292 21359 22568 23002 24193 24986 26054 26288 26908 29776 38584 42718 45136 46004 48386 49972 50933 52108 53816 57691 77168 85436 87451 92008 96772 98633 99944 101866 104216 107632 115382 149513 169351 170872 174902 184016 193544 197266 199888 203732 208432 230764 299026 338702 341744 349804 356531 387088 394532 403837 407464 461528 598052 662129 677404 690431 699608 713062 749983 789064 807674 814928 923056 1196104 1282229 1324258 1354808 1380862 1399216 1426124 1499966 1578128 1615348 1788421 2392208 2564458 2648516 2709616 2761724 2852248 2999932 3057623 3230696 3576842 4634903 5128916 5249881 5297032 5523448 5704496 5999864 6115246 6461392 7153684 8975603 9269806 10257832 10499762 10594064 11046896 11999728 12230492 12518947 14307368 17951206 18539612 20515664 20999524 21403361 23249473 24460984 25037894 28614736 35902412 37079224 39749099 41999048 42806722 46498946 48921968 50075788 71804824 74158448 79498198 83998096 85613444 92997892 94786313 100151576 143609648 158996396 162746311 171226888 185995784 189572626 200303152 278243693 317992792 325492622 342453776 371991568 379145252 556487386 635985584 650985244 663504191 758290504 1112974772 1232222069 1301970488 1327008382 1516581008 2225949544 2464444138 2603940976 2654016764 4451899088 4928888276 5308033528 8625554483 9857776552 10616067056 17251108966 19715553104 34502217932 69004435864 138008871728
- Sum of all divisors σ(n): 346658937408
- Sum of proper divisors (its aliquot sum) s(n): 208650065680
- 138008871728 is an abundant number, because the sum of its proper divisors (208650065680) is greater than itself. Its abundance is 70641193952
Bases of 138008871728
- Binary: 100000001000011111100001000011001100002
- Hexadecimal: 0x2021F84330
- Base-36: 1REEX2Y8
Squares and roots of 138008871728
- 138008871728 squared (1380088717282) is 19046448675635557705984
- 138008871728 cubed (1380088717283) is 2628578892149723162320887794020352
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The
square root of 138008871728 is 371495.4531727141 -
The
cube root of 138008871728 is 5167.7599890693
Scales and comparisons
How big is 138008871728?- 138,008,871,728 seconds is equal to 4,388 years, 13 weeks, 1 day, 21 hours, 42 minutes, 8 seconds.
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To count from 1 to 138,008,871,728 would take you about eight thousand, seven hundred seventy-six 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 138008871728 cubic inches would be around 430.6 feet tall.
Recreational maths with 138008871728
- 138008871728 backwards is 827178800831
- 138008871728 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138008871728's digits is 53
- More coming soon!
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