139638240
139,638,240 is an even composite number composed of five prime numbers multiplied together.
139638240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 139638240:
25 × 32 × 5 × 72 × 1979
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 1979)See below for interesting mathematical facts about the number 139638240 from the Numbermatics database.
Names of 139638240
- Cardinal: 139638240 can be written as One hundred thirty-nine million, six hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3963824 × 108
Factors of 139638240
Divisors of 139638240
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 70 72 80 84 90 96 98 105 112 120 126 140 144 147 160 168 180 196 210 224 240 245 252 280 288 294 315 336 360 392 420 441 480 490 504 560 588 630 672 720 735 784 840 882 980 1008 1120 1176 1260 1440 1470 1568 1680 1764 1960 1979 2016 2205 2352 2520 2940 3360 3528 3920 3958 4410 4704 5040 5880 5937 7056 7840 7916 8820 9895 10080 11760 11874 13853 14112 15832 17640 17811 19790 23520 23748 27706 29685 31664 35280 35622 39580 41559 47496 55412 59370 63328 69265 70560 71244 79160 83118 89055 94992 96971 110824 118740 124677 138530 142488 158320 166236 178110 189984 193942 207795 221648 237480 249354 277060 284976 290913 316640 332472 356220 387884 415590 443296 474960 484855 498708 554120 569952 581826 623385 664944 712440 775768 831180 872739 949920 969710 997416 1108240 1163652 1246770 1329888 1424880 1454565 1551536 1662360 1745478 1939420 1994832 2216480 2327304 2493540 2849760 2909130 3103072 3324720 3490956 3878840 3989664 4363695 4654608 4987080 5818260 6649440 6981912 7757680 8727390 9309216 9974160 11636520 13963824 15515360 17454780 19948320 23273040 27927648 34909560 46546080 69819120 139638240
- Sum of all divisors σ(n): 554594040
- Sum of proper divisors (its aliquot sum) s(n): 414955800
- 139638240 is an abundant number, because the sum of its proper divisors (414955800) is greater than itself. Its abundance is 275317560
Bases of 139638240
- Binary: 10000101001010110101111000002
- Hexadecimal: 0x852B5E0
- Base-36: 2B4XK0
Squares and roots of 139638240
- 139638240 squared (1396382402) is 19498838070297600
- 139638240 cubed (1396382403) is 2722783430181353140224000
-
The
square root of 139638240 is 11816.8625277609 -
The
cube root of 139638240 is 518.8017775771
Scales and comparisons
How big is 139638240?- 139,638,240 seconds is equal to 4 years, 22 weeks, 6 days, 4 hours, 24 minutes.
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To count from 1 to 139,638,240 would take you about 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 139638240 cubic inches would be around 43.2 feet tall.
Recreational maths with 139638240
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