84045390
84,045,390 is an even composite number composed of six prime numbers multiplied together.
84045390 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 84045390:
2 × 3 × 5 × 112 × 132 × 137
(2 × 3 × 5 × 11 × 11 × 13 × 13 × 137)See below for interesting mathematical facts about the number 84045390 from the Numbermatics database.
Names of 84045390
- Cardinal: 84045390 can be written as Eighty-four million, forty-five thousand, three hundred ninety.
Scientific notation
- Scientific notation: 8.404539 × 107
Factors of 84045390
Divisors of 84045390
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 121 130 137 143 165 169 195 242 274 286 330 338 363 390 411 429 507 605 685 715 726 822 845 858 1014 1210 1370 1430 1507 1573 1690 1781 1815 1859 2055 2145 2535 3014 3146 3562 3630 3718 4110 4290 4521 4719 5070 5343 5577 7535 7865 8905 9042 9295 9438 10686 11154 15070 15730 16577 17810 18590 19591 20449 22605 23153 23595 26715 27885 33154 39182 40898 45210 46306 47190 49731 53430 55770 58773 61347 69459 82885 97955 99462 102245 115765 117546 122694 138918 165770 195910 204490 215501 231530 248655 254683 293865 306735 347295 431002 497310 509366 587730 613470 646503 694590 764049 1077505 1273415 1293006 1528098 2155010 2546830 2801513 3232515 3820245 5603026 6465030 7640490 8404539 14007565 16809078 28015130 42022695 84045390
- Sum of all divisors σ(n): 241832304
- Sum of proper divisors (its aliquot sum) s(n): 157786914
- 84045390 is an abundant number, because the sum of its proper divisors (157786914) is greater than itself. Its abundance is 73741524
Bases of 84045390
- Binary: 1010000001001101110010011102
- Hexadecimal: 0x5026E4E
- Base-36: 1E1DU6
Squares and roots of 84045390
- 84045390 squared (840453902) is 7063627580252100
- 84045390 cubed (840453903) is 593665334797044042819000
-
The
square root of 84045390 is 9167.6272829997 -
The
cube root of 84045390 is 438.0307832663
Scales and comparisons
How big is 84045390?- 84,045,390 seconds is equal to 2 years, 34 weeks, 6 days, 17 hours, 56 minutes, 30 seconds.
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To count from 1 to 84,045,390 would take you about four 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 84045390 cubic inches would be around 36.5 feet tall.
Recreational maths with 84045390
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