1381521680
1,381,521,680 is an even composite number composed of six prime numbers multiplied together.
1381521680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 1381521680:
24 × 5 × 73 × 11 × 23 × 199
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 11 × 23 × 199)See below for interesting mathematical facts about the number 1381521680 from the Numbermatics database.
Names of 1381521680
- Cardinal: 1381521680 can be written as One billion, three hundred eighty-one million, five hundred twenty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.38152168 × 109
Factors of 1381521680
Divisors of 1381521680
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 23 28 35 40 44 46 49 55 56 70 77 80 88 92 98 110 112 115 140 154 161 176 184 196 199 220 230 245 253 280 308 322 343 368 385 392 398 440 460 490 506 539 560 616 644 686 770 784 796 805 880 920 980 995 1012 1078 1127 1232 1265 1288 1372 1393 1540 1592 1610 1715 1771 1840 1960 1990 2024 2156 2189 2254 2530 2576 2695 2744 2786 3080 3184 3220 3430 3542 3773 3920 3980 4048 4312 4378 4508 4577 5060 5390 5488 5572 5635 6160 6440 6860 6965 7084 7546 7889 7960 8624 8756 8855 9016 9154 9751 10120 10780 10945 11144 11270 12397 12880 13720 13930 14168 15092 15323 15778 15920 17512 17710 18032 18308 18865 19502 20240 21560 21890 22288 22540 22885 24794 27440 27860 28336 30184 30646 31556 32039 35024 35420 36616 37730 39004 39445 43120 43780 45080 45770 48755 49588 50347 55720 60368 61292 61985 63112 64078 68257 70840 73232 75460 76615 78008 78890 86779 87560 90160 91540 97510 99176 100694 107261 111440 122584 123970 126224 128156 136514 141680 150920 153230 156016 157780 160195 173558 175120 183080 195020 198352 201388 214522 224273 245168 247940 251735 256312 273028 301840 306460 315560 320390 341285 347116 352429 366160 390040 402776 429044 433895 448546 495880 503470 512624 536305 546056 612920 631120 640780 682570 694232 704858 750827 780080 805552 858088 867790 897092 991760 1006940 1072610 1092112 1121365 1225840 1281560 1365140 1388464 1409716 1501654 1569911 1716176 1735580 1762145 1794184 2013880 2145220 2242730 2467003 2563120 2730280 2819432 3003308 3139822 3471160 3524290 3588368 3754135 4027760 4290440 4485460 4934006 5460560 5638864 6006616 6279644 6942320 7048580 7508270 7849555 8580880 8970920 9868012 12013232 12335015 12559288 14097160 15016540 15699110 17269021 17941840 19736024 24670030 25118576 28194320 30033080 31398220 34538042 39472048 49340060 60066160 62796440 69076084 86345105 98680120 125592880 138152168 172690210 197360240 276304336 345380420 690760840 1381521680
- Sum of all divisors σ(n): 4285440000
- Sum of proper divisors (its aliquot sum) s(n): 2903918320
- 1381521680 is an abundant number, because the sum of its proper divisors (2903918320) is greater than itself. Its abundance is 1522396640
Bases of 1381521680
- Binary: 10100100101100001011001000100002
- Hexadecimal: 0x52585910
- Base-36: MUISY8
Squares and roots of 1381521680
- 1381521680 squared (13815216802) is 1908602152310022400
- 1381521680 cubed (13815216803) is 2636775251910958026885632000
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The
square root of 1381521680 is 37168.8267234787 -
The
cube root of 1381521680 is 1113.7453441401
Scales and comparisons
How big is 1381521680?- 1,381,521,680 seconds is equal to 43 years, 48 weeks, 1 day, 20 hours, 1 minute, 20 seconds.
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To count from 1 to 1,381,521,680 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 1381521680 cubic inches would be around 92.8 feet tall.
Recreational maths with 1381521680
- 1381521680 backwards is 0861251831
- 1381521680 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1381521680's digits is 35
- More coming soon!
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