28449900
28,449,900 is an even composite number composed of five prime numbers multiplied together.
28449900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28449900:
22 × 33 × 52 × 41 × 257
(2 × 2 × 3 × 3 × 3 × 5 × 5 × 41 × 257)See below for interesting mathematical facts about the number 28449900 from the Numbermatics database.
Names of 28449900
- Cardinal: 28449900 can be written as Twenty-eight million, four hundred forty-nine thousand, nine hundred.
Scientific notation
- Scientific notation: 2.84499 × 107
Factors of 28449900
Divisors of 28449900
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 41 45 50 54 60 75 82 90 100 108 123 135 150 164 180 205 225 246 257 270 300 369 410 450 492 514 540 615 675 738 771 820 900 1025 1028 1107 1230 1285 1350 1476 1542 1845 2050 2214 2313 2460 2570 2700 3075 3084 3690 3855 4100 4428 4626 5140 5535 6150 6425 6939 7380 7710 9225 9252 10537 11070 11565 12300 12850 13878 15420 18450 19275 21074 22140 23130 25700 27675 27756 31611 34695 36900 38550 42148 46260 52685 55350 57825 63222 69390 77100 94833 105370 110700 115650 126444 138780 158055 173475 189666 210740 231300 263425 284499 316110 346950 379332 474165 526850 568998 632220 693900 790275 948330 1053700 1137996 1422495 1580550 1896660 2370825 2844990 3161100 4741650 5689980 7112475 9483300 14224950 28449900
- Sum of all divisors σ(n): 94056480
- Sum of proper divisors (its aliquot sum) s(n): 65606580
- 28449900 is an abundant number, because the sum of its proper divisors (65606580) is greater than itself. Its abundance is 37156680
Bases of 28449900
- Binary: 11011001000011100011011002
- Hexadecimal: 0x1B21C6C
- Base-36: GXS30
Squares and roots of 28449900
- 28449900 squared (284499002) is 809396810010000
- 28449900 cubed (284499003) is 23027258305103499000000
-
The
square root of 28449900 is 5333.8447671449 -
The
cube root of 28449900 is 305.2766458881
Scales and comparisons
How big is 28449900?- 28,449,900 seconds is equal to 47 weeks, 6 hours, 45 minutes.
-
To count from 1 to 28,449,900 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 28449900 cubic inches would be around 25.4 feet tall.
Recreational maths with 28449900
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