21346478720
21,346,478,720 is an even composite number composed of six prime numbers multiplied together.
21346478720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21346478720:
27 × 5 × 7 × 192 × 67 × 197
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 19 × 67 × 197)See below for interesting mathematical facts about the number 21346478720 from the Numbermatics database.
Names of 21346478720
- Cardinal: 21346478720 can be written as Twenty-one billion, three hundred forty-six million, four hundred seventy-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.134647872 × 1010
Factors of 21346478720
Divisors of 21346478720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 67 70 76 80 95 112 128 133 134 140 152 160 190 197 224 266 268 280 304 320 335 361 380 394 448 469 532 536 560 608 640 665 670 722 760 788 896 938 985 1064 1072 1120 1216 1273 1330 1340 1379 1444 1520 1576 1805 1876 1970 2128 2144 2240 2345 2432 2527 2546 2660 2680 2758 2888 3040 3152 3610 3743 3752 3940 4256 4288 4480 4690 5054 5092 5320 5360 5516 5776 6080 6304 6365 6895 7220 7486 7504 7880 8512 8576 8911 9380 10108 10184 10640 10720 11032 11552 12160 12608 12635 12730 13199 13790 14440 14972 15008 15760 17024 17822 18715 18760 20216 20368 21280 21440 22064 23104 24187 25216 25270 25460 26201 26398 27580 28880 29944 30016 31520 35644 37430 37520 40432 40736 42560 42880 44128 44555 46208 48374 50540 50920 52402 52796 55160 57760 59888 60032 63040 65995 71117 71288 74860 75040 80864 81472 85120 88256 89110 92393 96748 101080 101840 104804 105592 110320 115520 119776 120935 126080 131005 131990 142234 142576 149720 150080 161728 162944 169309 176512 178220 184786 193496 202160 203680 209608 211184 220640 231040 239552 241870 250781 262010 263980 284468 285152 299440 300160 323456 338618 355585 356440 369572 386992 404320 407360 419216 422368 441280 461965 479104 483740 497819 501562 524020 527960 568936 570304 598880 677236 711170 712880 739144 773984 808640 814720 838432 844736 846545 882560 923930 967480 995638 1003124 1048040 1055920 1137872 1140608 1197760 1253905 1354472 1422340 1425760 1478288 1547968 1617280 1676864 1689472 1693090 1755467 1847860 1934960 1991276 2006248 2096080 2111840 2275744 2395520 2489095 2507810 2708944 2844680 2851520 2956576 3095936 3353728 3386180 3510934 3695720 3869920 3982552 4012496 4192160 4223680 4551488 4764839 4978190 5015620 5417888 5689360 5703040 5913152 6772360 7021868 7391440 7739840 7965104 8024992 8384320 8447360 8777335 9102976 9529678 9956380 10031240 10835776 11378720 11826304 13544720 14043736 14782880 15479680 15930208 16049984 16768640 17554670 19059356 19912760 20062480 21671552 22757440 23824195 27089440 28087472 29565760 31860416 32099968 33353873 35109340 38118712 39825520 40124960 45514880 47648390 54178880 56174944 59131520 63720832 66707746 70218680 76237424 79651040 80249920 95296780 108357760 112349888 133415492 140437360 152474848 159302080 160499840 166769365 190593560 224699776 266830984 280874720 304949696 318604160 333538730 381187120 533661968 561749440 609899392 667077460 762374240 1067323936 1123498880 1334154920 1524748480 2134647872 2668309840 3049496960 4269295744 5336619680 10673239360 21346478720
- Sum of all divisors σ(n): 62788556160
- Sum of proper divisors (its aliquot sum) s(n): 41442077440
- 21346478720 is an abundant number, because the sum of its proper divisors (41442077440) is greater than itself. Its abundance is 20095598720
Bases of 21346478720
- Binary: 100111110000101100101101010100000002
- Hexadecimal: 0x4F8596A80
- Base-36: 9T154E8
Squares and roots of 21346478720
- 21346478720 squared (213464787202) is 455672153743412838400
- 21346478720 cubed (213464787203) is 9726995933180330495080398848000
-
The
square root of 21346478720 is 146104.3418930457 -
The
cube root of 21346478720 is 2774.0146368153
Scales and comparisons
How big is 21346478720?- 21,346,478,720 seconds is equal to 678 years, 39 weeks, 17 hours, 25 minutes, 20 seconds.
-
To count from 1 to 21,346,478,720 would take you about one thousand, three hundred fifty-seven 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 21346478720 cubic inches would be around 231.2 feet tall.
Recreational maths with 21346478720
- 21346478720 backwards is 02787464312
- The number of decimal digits it has is: 11
- The sum of 21346478720's digits is 44
- More coming soon!
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