139428240
139,428,240 is an even composite number composed of six prime numbers multiplied together.
139428240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 139428240:
24 × 3 × 5 × 7 × 149 × 557
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 149 × 557)See below for interesting mathematical facts about the number 139428240 from the Numbermatics database.
Names of 139428240
- Cardinal: 139428240 can be written as One hundred thirty-nine million, four hundred twenty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3942824 × 108
Factors of 139428240
Divisors of 139428240
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 149 168 210 240 280 298 336 420 447 557 560 596 745 840 894 1043 1114 1192 1490 1671 1680 1788 2086 2228 2235 2384 2785 2980 3129 3342 3576 3899 4172 4456 4470 5215 5570 5960 6258 6684 7152 7798 8344 8355 8912 8940 10430 11140 11697 11920 12516 13368 15596 15645 16688 16710 17880 19495 20860 22280 23394 25032 26736 31192 31290 33420 35760 38990 41720 44560 46788 50064 58485 62384 62580 66840 77980 82993 83440 93576 116970 125160 133680 155960 165986 187152 233940 248979 250320 311920 331972 414965 467880 497958 580951 663944 829930 935760 995916 1161902 1244895 1327888 1659860 1742853 1991832 2323804 2489790 2904755 3319720 3485706 3983664 4647608 4979580 5809510 6639440 6971412 8714265 9295216 9959160 11619020 13942824 17428530 19918320 23238040 27885648 34857060 46476080 69714120 139428240
- Sum of all divisors σ(n): 498182400
- Sum of proper divisors (its aliquot sum) s(n): 358754160
- 139428240 is an abundant number, because the sum of its proper divisors (358754160) is greater than itself. Its abundance is 219325920
Bases of 139428240
- Binary: 10000100111110000001100100002
- Hexadecimal: 0x84F8190
- Base-36: 2B0FIO
Squares and roots of 139428240
- 139428240 squared (1394282402) is 19440234109497600
- 139428240 cubed (1394282403) is 2710517627075217652224000
-
The
square root of 139428240 is 11807.9735772063 -
The
cube root of 139428240 is 518.5415741777
Scales and comparisons
How big is 139428240?- 139,428,240 seconds is equal to 4 years, 22 weeks, 3 days, 18 hours, 4 minutes.
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To count from 1 to 139,428,240 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 139428240 cubic inches would be around 43.2 feet tall.
Recreational maths with 139428240
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