1388730378728
1,388,730,378,728 is an even composite number composed of six prime numbers multiplied together.
1388730378728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 1388730378728:
23 × 7 × 113 × 53 × 419 × 839
(2 × 2 × 2 × 7 × 11 × 11 × 11 × 53 × 419 × 839)See below for interesting mathematical facts about the number 1388730378728 from the Numbermatics database.
Names of 1388730378728
- Cardinal: 1388730378728 can be written as One trillion, three hundred eighty-eight billion, seven hundred thirty million, three hundred seventy-eight thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.388730378728 × 1012
Factors of 1388730378728
Divisors of 1388730378728
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 7 8 11 14 22 28 44 53 56 77 88 106 121 154 212 242 308 371 419 424 484 583 616 742 838 839 847 968 1166 1331 1484 1676 1678 1694 2332 2662 2933 2968 3352 3356 3388 4081 4609 4664 5324 5866 5873 6413 6712 6776 8162 9218 9229 9317 10648 11732 11746 12826 16324 18436 18458 18634 22207 23464 23492 25652 32263 32648 36872 36916 37268 44414 44467 44891 46984 50699 51304 64526 64603 70543 73832 74536 88828 88934 89782 101398 101519 129052 129206 141086 155449 177656 177868 179564 202796 203038 244277 258104 258412 282172 310898 311269 351541 354893 355736 359128 405592 406076 488554 489137 493801 516824 557689 564344 621796 622538 703082 709786 710633 812152 977108 978274 987602 1115378 1116709 1243592 1245076 1406164 1419572 1421266 1709939 1954216 1956548 1975204 2230756 2233418 2460787 2490152 2687047 2812328 2839144 2842532 3419878 3423959 3866951 3903823 3913096 3950408 4461512 4466836 4921574 5374094 5380507 5685064 6839756 6847918 7733902 7807646 7816963 8933672 9843148 10748188 10761014 13679512 13695836 15467804 15615292 15633926 18631673 18809329 19686296 21496376 21522028 27068657 27391672 29557517 30935608 31230584 31267852 37263346 37618658 37663549 42536461 43044056 54137314 59115034 59185577 62535704 74526692 75237316 75327098 85072922 108274628 118230068 118371154 130421711 149053384 150474632 150654196 170145844 204948403 206902619 216549256 236460136 236742308 260843422 297755227 301308392 340291688 409896806 413805238 414299039 467901071 473484616 521686844 595510454 819793612 827610476 828598078 935802142 1043373688 1191020908 1434638821 1639587224 1655220952 1657196156 1871604284 2254432433 2382041816 2869277642 3275307497 3314392312 3743208568 4508864866 5738555284 6550614994 9017729732 11477110568 13101229988 15781027031 18035459464 24798756763 26202459976 31562054062 49597513526 63124108124 99195027052 126248216248 173591297341 198390054104 347182594682 694365189364 1388730378728
- Sum of all divisors σ(n): 3346914816000
- Sum of proper divisors (its aliquot sum) s(n): 1958184437272
- 1388730378728 is an abundant number, because the sum of its proper divisors (1958184437272) is greater than itself. Its abundance is 569454058544
Bases of 1388730378728
- Binary: 101000011010101101100011111101001111010002
- Hexadecimal: 0x14356C7E9E8
- Base-36: HPZ27M5K
Squares and roots of 1388730378728
- 1388730378728 squared (13887303787282) is 1928572064802014314897984
- 1388730378728 cubed (13887303787283) is 2678266613956742297865554773003684352
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The
square root of 1388730378728 is 1178444.0498929085 -
The
cube root of 1388730378728 is 11156.7913708563
Scales and comparisons
How big is 1388730378728?- 1,388,730,378,728 seconds is equal to 44,157 years, 17 weeks, 1 day, 6 hours, 32 minutes, 8 seconds.
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To count from 1 to 1,388,730,378,728 would take you about one hundred ten thousand, three hundred ninety-three 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 1388730378728 cubic inches would be around 929.7 feet tall.
Recreational maths with 1388730378728
- 1388730378728 backwards is 8278730378831
- The number of decimal digits it has is: 13
- The sum of 1388730378728's digits is 65
- More coming soon!
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