128438377788942
128,438,377,788,942 is an even composite number composed of four prime numbers multiplied together.
128438377788942 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 128438377788942:
2 × 33 × 135 × 25312
(2 × 3 × 3 × 3 × 13 × 13 × 13 × 13 × 13 × 2531 × 2531)See below for interesting mathematical facts about the number 128438377788942 from the Numbermatics database.
Names of 128438377788942
- Cardinal: 128438377788942 can be written as One hundred twenty-eight trillion, four hundred thirty-eight billion, three hundred seventy-seven million, seven hundred eighty-eight thousand, nine hundred forty-two.
Scientific notation
- Scientific notation: 1.28438377788942 × 1014
Factors of 128438377788942
Divisors of 128438377788942
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 6 9 13 18 26 27 39 54 78 117 169 234 338 351 507 702 1014 1521 2197 2531 3042 4394 4563 5062 6591 7593 9126 13182 15186 19773 22779 28561 32903 39546 45558 57122 59319 65806 68337 85683 98709 118638 136674 171366 197418 257049 296127 371293 427739 514098 592254 742586 771147 855478 888381 1113879 1283217 1542294 1776762 2227758 2566434 3341637 3849651 5560607 6405961 6683274 7699302 10024911 11121214 11548953 12811922 16681821 19217883 20049822 23097906 33363642 38435766 50045463 57653649 72287891 83277493 100090926 115307298 144575782 150136389 166554986 172960947 216863673 249832479 300272778 345921894 433727346 499664958 650591019 749497437 939742583 1082607409 1301182038 1498994874 1879485166 1951773057 2165214818 2248492311 2819227749 3247822227 3903546114 4496984622 5638455498 6495644454 8457683247 9743466681 14073896317 16915366494 19486933362 25373049741 28147792634 29230400043 42221688951 50746099482 58460800086 84443377902 126665066853 182960652121 253330133706 365921304242 379995200559 548881956363 759990401118 1097763912726 1646645869089 2378488477573 3293291738178 4756976955146 4939937607267 7135465432719 9879875214534 14270930865438 21406396298157 42812792596314 64219188894471 128438377788942
- Sum of all divisors σ(n): 309325652803440
- Sum of proper divisors (its aliquot sum) s(n): 180887275014498
- 128438377788942 is an abundant number, because the sum of its proper divisors (180887275014498) is greater than itself. Its abundance is 52448897225556
Bases of 128438377788942
- Binary: 111010011010000011000111110001000110110000011102
- Hexadecimal: 0x74D063E2360E
- Base-36: 19IZRXYDJI
Squares and roots of 128438377788942
- 128438377788942 squared (1284383777889422) is 16496416889054989676697479364
- 128438377788942 cubed (1284383777889423) is 2118773024560328071111600635016214992392888
-
The
square root of 128438377788942 is 11333065.6836066207 -
The
cube root of 128438377788942 is 50454.3099193449
Scales and comparisons
How big is 128438377788942?- 128,438,377,788,942 seconds is equal to 4,083,943 years, 6 weeks, 4 days, 11 hours, 35 minutes, 42 seconds.
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To count from 1 to 128,438,377,788,942 would take you about ten million, two hundred nine thousand, eight hundred fifty-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 128438377788942 cubic inches would be around 4204.5 feet tall.
Recreational maths with 128438377788942
- 128438377788942 backwards is 249887773834821
- The number of decimal digits it has is: 15
- The sum of 128438377788942's digits is 81
- More coming soon!
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