28309320
28,309,320 is an even composite number composed of six prime numbers multiplied together.
28309320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 28309320:
23 × 32 × 5 × 13 × 23 × 263
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 23 × 263)See below for interesting mathematical facts about the number 28309320 from the Numbermatics database.
Names of 28309320
- Cardinal: 28309320 can be written as Twenty-eight million, three hundred nine thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.830932 × 107
Factors of 28309320
Divisors of 28309320
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 23 24 26 30 36 39 40 45 46 52 60 65 69 72 78 90 92 104 115 117 120 130 138 156 180 184 195 207 230 234 260 263 276 299 312 345 360 390 414 460 468 520 526 552 585 598 690 780 789 828 897 920 936 1035 1052 1170 1196 1315 1380 1495 1560 1578 1656 1794 2070 2104 2340 2367 2392 2630 2691 2760 2990 3156 3419 3588 3945 4140 4485 4680 4734 5260 5382 5980 6049 6312 6838 7176 7890 8280 8970 9468 10257 10520 10764 11835 11960 12098 13455 13676 15780 17095 17940 18147 18936 20514 21528 23670 24196 26910 27352 30245 30771 31560 34190 35880 36294 41028 47340 48392 51285 53820 54441 60490 61542 68380 72588 78637 82056 90735 94680 102570 107640 108882 120980 123084 136760 145176 153855 157274 181470 205140 217764 235911 241960 246168 272205 307710 314548 362940 393185 410280 435528 471822 544410 615420 629096 707733 725880 786370 943644 1088820 1179555 1230840 1415466 1572740 1887288 2177640 2359110 2830932 3145480 3538665 4718220 5661864 7077330 9436440 14154660 28309320
- Sum of all divisors σ(n): 103783680
- Sum of proper divisors (its aliquot sum) s(n): 75474360
- 28309320 is an abundant number, because the sum of its proper divisors (75474360) is greater than itself. Its abundance is 47165040
Bases of 28309320
- Binary: 11010111111110111010010002
- Hexadecimal: 0x1AFF748
- Base-36: GURM0
Squares and roots of 28309320
- 28309320 squared (283093202) is 801417598862400
- 28309320 cubed (283093203) is 22687587259827317568000
-
The
square root of 28309320 is 5320.6503361901 -
The
cube root of 28309320 is 304.7729924197
Scales and comparisons
How big is 28309320?- 28,309,320 seconds is equal to 46 weeks, 5 days, 15 hours, 42 minutes.
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To count from 1 to 28,309,320 would take you about eighteen 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 28309320 cubic inches would be around 25.4 feet tall.
Recreational maths with 28309320
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