128478305989120
128,478,305,989,120 is an even composite number composed of four prime numbers multiplied together.
128478305989120 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 128478305989120:
29 × 5 × 312 × 52223557
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 31 × 52223557)See below for interesting mathematical facts about the number 128478305989120 from the Numbermatics database.
Names of 128478305989120
- Cardinal: 128478305989120 can be written as One hundred twenty-eight trillion, four hundred seventy-eight billion, three hundred five million, nine hundred eighty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.2847830598912 × 1014
Factors of 128478305989120
Divisors of 128478305989120
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 256 310 320 496 512 620 640 961 992 1240 1280 1922 1984 2480 2560 3844 3968 4805 4960 7688 7936 9610 9920 15376 15872 19220 19840 30752 38440 39680 61504 76880 79360 123008 153760 246016 307520 492032 615040 1230080 2460160 52223557 104447114 208894228 261117785 417788456 522235570 835576912 1044471140 1618930267 1671153824 2088942280 3237860534 3342307648 4177884560 6475721068 6684615296 8094651335 8355769120 12951442136 13369230592 16189302670 16711538240 25902884272 26738461184 32378605340 33423076480 50186838277 51805768544 64757210680 66846152960 100373676554 103611537088 129514421360 133692305920 200747353108 207223074176 250934191385 259028842720 401494706216 414446148352 501868382770 518057685440 802989412432 828892296704 1003736765540 1036115370880 1605978824864 2007473531080 2072230741760 3211957649728 4014947062160 4144461483520 6423915299456 8029894124320 12847830598912 16059788248640 25695661197824 32119576497280 64239152994560 128478305989120
- Sum of all divisors σ(n): 318304361610972
- Sum of proper divisors (its aliquot sum) s(n): 189826055621852
- 128478305989120 is an abundant number, because the sum of its proper divisors (189826055621852) is greater than itself. Its abundance is 61347749632732
Bases of 128478305989120
- Binary: 111010011011001101011111100101000110010000000002
- Hexadecimal: 0x74D9AFCA3200
- Base-36: 19JI4A69Z4
Squares and roots of 128478305989120
- 128478305989120 squared (1284783059891202) is 16506675109833948061558374400
- 128478305989120 cubed (1284783059891203) is 2120749655624236963046010308116011286528000
-
The
square root of 128478305989120 is 11334827.1265652747 -
The
cube root of 128478305989120 is 50459.5376949775
Scales and comparisons
How big is 128478305989120?- 128,478,305,989,120 seconds is equal to 4,085,212 years, 37 weeks, 3 days, 10 hours, 18 minutes, 40 seconds.
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To count from 1 to 128,478,305,989,120 would take you about ten million, two hundred thirteen thousand and thirty-one 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 128478305989120 cubic inches would be around 4205 feet tall.
Recreational maths with 128478305989120
- 128478305989120 backwards is 021989503874821
- The number of decimal digits it has is: 15
- The sum of 128478305989120's digits is 67
- More coming soon!
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