28081388400
28,081,388,400 is an even composite number composed of six prime numbers multiplied together.
28081388400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 28081388400:
24 × 3 × 52 × 13 × 672 × 401
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 13 × 67 × 67 × 401)See below for interesting mathematical facts about the number 28081388400 from the Numbermatics database.
Names of 28081388400
- Cardinal: 28081388400 can be written as Twenty-eight billion, eighty-one million, three hundred eighty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.80813884 × 1010
Factors of 28081388400
Divisors of 28081388400
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 60 65 67 75 78 80 100 104 120 130 134 150 156 195 200 201 208 240 260 268 300 312 325 335 390 400 401 402 520 536 600 624 650 670 780 802 804 871 975 1005 1040 1072 1200 1203 1300 1340 1560 1604 1608 1675 1742 1950 2005 2010 2406 2600 2613 2680 3120 3208 3216 3350 3484 3900 4010 4020 4355 4489 4812 5025 5200 5213 5226 5360 6015 6416 6700 6968 7800 8020 8040 8710 8978 9624 10025 10050 10426 10452 12030 13065 13400 13467 13936 15600 15639 16040 16080 17420 17956 19248 20050 20100 20852 20904 21775 22445 24060 26065 26130 26800 26867 26934 30075 31278 32080 34840 35912 40100 40200 41704 41808 43550 44890 48120 52130 52260 53734 53868 58357 60150 62556 65325 67335 69680 71824 78195 80200 80400 80601 83408 87100 89780 96240 104260 104520 107468 107736 112225 116714 120300 125112 130325 130650 134335 134670 156390 160400 161202 174200 175071 179560 208520 209040 214936 215472 224450 233428 240600 250224 260650 261300 268670 269340 291785 312780 322404 336675 348400 349271 350142 359120 390975 403005 417040 429872 448900 466856 481200 521300 522600 537340 538680 583570 625560 644808 671675 673350 698542 700284 781950 806010 875355 897800 933712 1042600 1045200 1047813 1074680 1077360 1167140 1251120 1289616 1343350 1346700 1397084 1400568 1458925 1563900 1612020 1746355 1750710 1795600 1800089 2015025 2085200 2095626 2149360 2334280 2686700 2693400 2794168 2801136 2917850 3127800 3224040 3492710 3501420 3600178 4030050 4191252 4376775 4668560 5239065 5373400 5386800 5400267 5588336 5835700 6255600 6448080 6985420 7002840 7200356 8060100 8382504 8731775 8753550 9000445 10478130 10746800 10800534 11671400 13970840 14005680 14400712 16120200 16765008 17463550 17507100 18000890 20956260 21601068 23342800 23401157 26195325 27001335 27941680 28801424 32240400 34927100 35014200 36001780 41912520 43202136 45002225 46802314 52390650 54002670 69854200 70028400 70203471 72003560 83825040 86404272 90004450 93604628 104781300 108005340 117005785 135006675 139708400 140406942 144007120 180008900 187209256 209562600 216010680 234011570 270013350 280813884 351017355 360017800 374418512 419125200 432021360 468023140 540026700 561627768 585028925 702034710 720035600 936046280 1080053400 1123255536 1170057850 1404069420 1755086775 1872092560 2160106800 2340115700 2808138840 3510173550 4680231400 5616277680 7020347100 9360462800 14040694200 28081388400
- Sum of all divisors σ(n): 98586283824
- Sum of proper divisors (its aliquot sum) s(n): 70504895424
- 28081388400 is an abundant number, because the sum of its proper divisors (70504895424) is greater than itself. Its abundance is 42423507024
Bases of 28081388400
- Binary: 110100010011100011111111011011100002
- Hexadecimal: 0x689C7FB70
- Base-36: CWEXLYO
Squares and roots of 28081388400
- 28081388400 squared (280813884002) is 788564374471654560000
- 28081388400 cubed (280813884003) is 22143982477941576489991104000000
-
The
square root of 28081388400 is 167575.0231985661 -
The
cube root of 28081388400 is 3039.5283057387
Scales and comparisons
How big is 28081388400?- 28,081,388,400 seconds is equal to 892 years, 46 weeks, 6 days, 1 hour, 40 minutes.
-
To count from 1 to 28,081,388,400 would take you about one thousand, seven hundred eighty-five 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 28081388400 cubic inches would be around 253.3 feet tall.
Recreational maths with 28081388400
- 28081388400 backwards is 00488318082
- The number of decimal digits it has is: 11
- The sum of 28081388400's digits is 42
- More coming soon!
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