1381393728
1,381,393,728 is an even composite number composed of six prime numbers multiplied together.
1381393728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 1381393728:
26 × 32 × 11 × 13 × 31 × 541
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 13 × 31 × 541)See below for interesting mathematical facts about the number 1381393728 from the Numbermatics database.
Names of 1381393728
- Cardinal: 1381393728 can be written as One billion, three hundred eighty-one million, three hundred ninety-three thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.381393728 × 109
Factors of 1381393728
Divisors of 1381393728
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 31 32 33 36 39 44 48 52 62 64 66 72 78 88 93 96 99 104 117 124 132 143 144 156 176 186 192 198 208 234 248 264 279 286 288 312 341 352 372 396 403 416 429 468 496 528 541 558 572 576 624 682 704 744 792 806 832 858 936 992 1023 1056 1082 1116 1144 1209 1248 1287 1364 1488 1584 1612 1623 1716 1872 1984 2046 2112 2164 2232 2288 2418 2496 2574 2728 2976 3069 3168 3224 3246 3432 3627 3744 4092 4328 4433 4464 4576 4836 4869 5148 5456 5951 5952 6138 6336 6448 6492 6864 7033 7254 7488 8184 8656 8866 8928 9152 9672 9738 10296 10912 11902 12276 12896 12984 13299 13728 14066 14508 16368 16771 17312 17732 17853 17856 19344 19476 20592 21099 21824 23804 24552 25792 25968 26598 27456 28132 29016 32736 33542 34624 35464 35706 38688 38952 39897 41184 42198 47608 49104 50313 51936 53196 53559 56264 58032 63297 65472 67084 70928 71412 77363 77376 77904 79794 82368 84396 95216 98208 100626 103872 106392 107118 112528 116064 126594 134168 141856 142824 150939 154726 155808 159588 168792 184481 190432 196416 201252 212784 214236 218023 225056 232089 232128 253188 268336 283712 285648 301878 309452 311616 319176 337584 368962 380864 402504 425568 428472 436046 450112 464178 506376 536672 553443 571296 603756 618904 638352 654069 675168 696267 737924 805008 851136 856944 872092 928356 1012752 1073344 1106886 1142592 1207512 1237808 1276704 1308138 1350336 1392534 1475848 1610016 1660329 1713888 1744184 1856712 1962207 2025504 2213772 2398253 2415024 2475616 2553408 2616276 2785068 2951696 3220032 3320658 3427776 3488368 3713424 3924414 4051008 4427544 4796506 4830048 4951232 5232552 5570136 5903392 6641316 6976736 7194759 7426848 7848828 8855088 9593012 9660096 10465104 11140272 11806784 13282632 13953472 14389518 14853696 15697656 17710176 19186024 20930208 21584277 22280544 26565264 28779036 31395312 35420352 38372048 41860416 43168554 44561088 53130528 57558072 62790624 76744096 86337108 106261056 115116144 125581248 153488192 172674216 230232288 345348432 460464576 690696864 1381393728
- Sum of all divisors σ(n): 4810670592
- Sum of proper divisors (its aliquot sum) s(n): 3429276864
- 1381393728 is an abundant number, because the sum of its proper divisors (3429276864) is greater than itself. Its abundance is 2047883136
Bases of 1381393728
- Binary: 10100100101011001100101010000002
- Hexadecimal: 0x52566540
- Base-36: MUG280
Squares and roots of 1381393728
- 1381393728 squared (13813937282) is 1908248631757737984
- 1381393728 cubed (13813937283) is 2636042691374720866564964352
-
The
square root of 1381393728 is 37167.1054563037 -
The
cube root of 1381393728 is 1113.7109592667
Scales and comparisons
How big is 1381393728?- 1,381,393,728 seconds is equal to 43 years, 48 weeks, 8 hours, 28 minutes, 48 seconds.
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To count from 1 to 1,381,393,728 would take you about eighty-seven 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 1381393728 cubic inches would be around 92.8 feet tall.
Recreational maths with 1381393728
- 1381393728 backwards is 8273931831
- The number of decimal digits it has is: 10
- The sum of 1381393728's digits is 45
- More coming soon!
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The information we have on file for 1381393728 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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