28930440
28,930,440 is an even composite number composed of seven prime numbers multiplied together.
28930440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 28930440:
23 × 3 × 5 × 7 × 11 × 31 × 101
(2 × 2 × 2 × 3 × 5 × 7 × 11 × 31 × 101)See below for interesting mathematical facts about the number 28930440 from the Numbermatics database.
Names of 28930440
- Cardinal: 28930440 can be written as Twenty-eight million, nine hundred thirty thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.893044 × 107
Factors of 28930440
Divisors of 28930440
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 31 33 35 40 42 44 55 56 60 62 66 70 77 84 88 93 101 105 110 120 124 132 140 154 155 165 168 186 202 210 217 220 231 248 264 280 303 308 310 330 341 372 385 404 420 434 440 462 465 505 606 616 620 651 660 682 707 744 770 808 840 868 924 930 1010 1023 1085 1111 1155 1212 1240 1302 1320 1364 1414 1515 1540 1705 1736 1848 1860 2020 2046 2121 2170 2222 2310 2387 2424 2604 2728 2828 3030 3080 3131 3255 3333 3410 3535 3720 4040 4092 4242 4340 4444 4620 4774 5115 5208 5555 5656 6060 6262 6510 6666 6820 7070 7161 7777 8184 8484 8680 8888 9240 9393 9548 10230 10605 11110 11935 12120 12524 13020 13332 13640 14140 14322 15554 15655 16665 16968 18786 19096 20460 21210 21917 22220 23331 23870 25048 26040 26664 28280 28644 31108 31310 33330 34441 35805 37572 38885 40920 42420 43834 44440 46662 46965 47740 57288 62216 62620 65751 66660 68882 71610 75144 77770 84840 87668 93324 93930 95480 103323 109585 116655 125240 131502 133320 137764 143220 155540 172205 175336 186648 187860 206646 219170 233310 241087 263004 275528 286440 311080 328755 344410 375720 413292 438340 466620 482174 516615 526008 657510 688820 723261 826584 876680 933240 964348 1033230 1205435 1315020 1377640 1446522 1928696 2066460 2410870 2630040 2893044 3616305 4132920 4821740 5786088 7232610 9643480 14465220 28930440
- Sum of all divisors σ(n): 112803840
- Sum of proper divisors (its aliquot sum) s(n): 83873400
- 28930440 is an abundant number, because the sum of its proper divisors (83873400) is greater than itself. Its abundance is 54942960
Bases of 28930440
- Binary: 11011100101110001100010002
- Hexadecimal: 0x1B97188
- Base-36: H82VC
Squares and roots of 28930440
- 28930440 squared (289304402) is 836970358593600
- 28930440 cubed (289304403) is 24213920741070629184000
-
The
square root of 28930440 is 5378.7024457577 -
The
cube root of 28930440 is 306.9858418141
Scales and comparisons
How big is 28930440?- 28,930,440 seconds is equal to 47 weeks, 5 days, 20 hours, 14 minutes.
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To count from 1 to 28,930,440 would take you about nineteen weeks!
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 28930440 cubic inches would be around 25.6 feet tall.
Recreational maths with 28930440
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The information we have on file for 28930440 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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