13139280
13,139,280 is an even composite number composed of six prime numbers multiplied together.
13139280 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 13139280:
24 × 33 × 5 × 7 × 11 × 79
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 11 × 79)See below for interesting mathematical facts about the number 13139280 from the Numbermatics database.
Names of 13139280
- Cardinal: 13139280 can be written as Thirteen million, one hundred thirty-nine thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.313928 × 107
Factors of 13139280
Divisors of 13139280
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 48 54 55 56 60 63 66 70 72 77 79 80 84 88 90 99 105 108 110 112 120 126 132 135 140 144 154 158 165 168 176 180 189 198 210 216 220 231 237 240 252 264 270 280 297 308 315 316 330 336 360 378 385 395 396 420 432 440 462 474 495 504 528 540 553 560 594 616 630 632 660 693 711 720 756 770 790 792 840 869 880 924 945 948 990 1008 1080 1106 1155 1185 1188 1232 1260 1264 1320 1386 1422 1485 1512 1540 1580 1584 1659 1680 1738 1848 1890 1896 1980 2079 2133 2160 2212 2310 2370 2376 2520 2607 2640 2765 2772 2844 2970 3024 3080 3160 3318 3465 3476 3555 3696 3780 3792 3960 4158 4266 4345 4424 4620 4740 4752 4977 5040 5214 5530 5544 5688 5940 6083 6160 6320 6636 6930 6952 7110 7560 7821 7920 8295 8316 8532 8690 8848 9240 9480 9954 10395 10428 10665 11060 11088 11376 11880 12166 13035 13272 13860 13904 14220 14931 15120 15642 16590 16632 17064 17380 18249 18480 18960 19908 20790 20856 21330 22120 23463 23760 24332 24885 26070 26544 27720 28440 29862 30415 31284 33180 33264 34128 34760 36498 39105 39816 41580 41712 42660 44240 46926 48664 49770 52140 54747 55440 56880 59724 60830 62568 66360 69520 72996 74655 78210 79632 83160 85320 91245 93852 97328 99540 104280 109494 117315 119448 121660 125136 132720 145992 149310 156420 164241 166320 170640 182490 187704 199080 208560 218988 234630 238896 243320 273735 291984 298620 312840 328482 364980 375408 398160 437976 469260 486640 547470 597240 625680 656964 729960 821205 875952 938520 1094940 1194480 1313928 1459920 1642410 1877040 2189880 2627856 3284820 4379760 6569640 13139280
- Sum of all divisors σ(n): 57139200
- Sum of proper divisors (its aliquot sum) s(n): 43999920
- 13139280 is an abundant number, because the sum of its proper divisors (43999920) is greater than itself. Its abundance is 30860640
Bases of 13139280
- Binary: 1100100001111101010100002
- Hexadecimal: 0xC87D50
- Base-36: 7TMC0
Squares and roots of 13139280
- 13139280 squared (131392802) is 172640678918400
- 13139280 cubed (131392803) is 2268374219698954752000
-
The
square root of 13139280 is 3624.8144780113 -
The
cube root of 13139280 is 235.9702155269
Scales and comparisons
How big is 13139280?- 13,139,280 seconds is equal to 21 weeks, 5 days, 1 hour, 48 minutes.
-
To count from 1 to 13,139,280 would take you about thirty-two weeks!
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 13139280 cubic inches would be around 19.7 feet tall.
Recreational maths with 13139280
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