128440290
128,440,290 is an even composite number composed of six prime numbers multiplied together.
128440290 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 128440290:
2 × 3 × 5 × 112 × 41 × 863
(2 × 3 × 5 × 11 × 11 × 41 × 863)See below for interesting mathematical facts about the number 128440290 from the Numbermatics database.
Names of 128440290
- Cardinal: 128440290 can be written as One hundred twenty-eight million, four hundred forty thousand, two hundred ninety.
Scientific notation
- Scientific notation: 1.2844029 × 108
Factors of 128440290
Divisors of 128440290
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 10 11 15 22 30 33 41 55 66 82 110 121 123 165 205 242 246 330 363 410 451 605 615 726 863 902 1210 1230 1353 1726 1815 2255 2589 2706 3630 4315 4510 4961 5178 6765 8630 9493 9922 12945 13530 14883 18986 24805 25890 28479 29766 35383 47465 49610 56958 70766 74415 94930 104423 106149 142395 148830 176915 208846 212298 284790 313269 353830 389213 522115 530745 626538 778426 1044230 1061490 1167639 1566345 1946065 2335278 3132690 3892130 4281343 5838195 8562686 11676390 12844029 21406715 25688058 42813430 64220145 128440290
- Sum of all divisors σ(n): 347493888
- Sum of proper divisors (its aliquot sum) s(n): 219053598
- 128440290 is an abundant number, because the sum of its proper divisors (219053598) is greater than itself. Its abundance is 90613308
Bases of 128440290
- Binary: 1111010011111010111111000102
- Hexadecimal: 0x7A7D7E2
- Base-36: 24GX5U
Squares and roots of 128440290
- 128440290 squared (1284402902) is 16496908095284100
- 128440290 cubed (1284402903) is 2118867659861637436389000
-
The
square root of 128440290 is 11333.1500475375 -
The
cube root of 128440290 is 504.5456030869
Scales and comparisons
How big is 128440290?- 128,440,290 seconds is equal to 4 years, 4 weeks, 2 days, 13 hours, 51 minutes, 30 seconds.
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To count from 1 to 128,440,290 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 128440290 cubic inches would be around 42 feet tall.
Recreational maths with 128440290
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