21144204720
21,144,204,720 is an even composite number composed of seven prime numbers multiplied together.
21144204720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21144204720:
24 × 32 × 5 × 19 × 31 × 73 × 683
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 19 × 31 × 73 × 683)See below for interesting mathematical facts about the number 21144204720 from the Numbermatics database.
Names of 21144204720
- Cardinal: 21144204720 can be written as Twenty-one billion, one hundred forty-four million, two hundred four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.114420472 × 1010
Factors of 21144204720
Divisors of 21144204720
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 31 36 38 40 45 48 57 60 62 72 73 76 80 90 93 95 114 120 124 144 146 152 155 171 180 186 190 219 228 240 248 279 285 292 304 310 342 360 365 372 380 438 456 465 496 558 570 584 589 620 657 683 684 720 730 744 760 855 876 912 930 1095 1116 1140 1168 1178 1240 1314 1366 1368 1387 1395 1460 1488 1520 1710 1752 1767 1860 2049 2190 2232 2263 2280 2356 2480 2628 2732 2736 2774 2790 2920 2945 3285 3415 3420 3504 3534 3720 4098 4161 4380 4464 4526 4560 4712 5256 5301 5464 5548 5580 5840 5890 6147 6570 6789 6830 6840 6935 7068 7440 8196 8322 8760 8835 9052 9424 10245 10512 10602 10928 11096 11160 11315 11780 12294 12483 12977 13140 13578 13660 13680 13870 14136 16392 16644 17520 17670 18104 20367 20490 20805 21173 21204 22192 22320 22630 23560 24588 24966 25954 26280 26505 27156 27320 27740 28272 30735 32784 33288 33945 35340 36208 38931 40734 40980 41610 42346 42408 42997 45260 47120 49176 49859 49932 51908 52560 53010 54312 54640 55480 61470 62415 63519 64885 66576 67890 70680 77862 81468 81960 83220 84692 84816 85994 90520 98352 99718 99864 101835 103816 105865 106020 108624 110960 116793 122940 124830 127038 128991 129770 135780 141360 149577 155724 162936 163920 166440 169384 171988 181040 190557 194655 199436 199728 203670 207632 211730 212040 214985 233586 245880 249295 249660 254076 257982 259540 271560 299154 311448 317595 325872 332880 338768 343976 381114 386973 389310 398872 402287 407340 423460 424080 429970 448731 467172 491760 498590 499320 508152 515964 519080 543120 583965 598308 622896 635190 644955 687952 747885 762228 773946 778620 797744 804574 814680 846920 859940 897462 934344 947321 952785 997180 998640 1016304 1031928 1038160 1167930 1196616 1206861 1270380 1289910 1495770 1524456 1545629 1547892 1557240 1609148 1629360 1693840 1719880 1794924 1868688 1894642 1905570 1934865 1994360 2011435 2063856 2243655 2335860 2393232 2413722 2540760 2579820 2841963 2991540 3048912 3091258 3095784 3114480 3218296 3439760 3589848 3620583 3789284 3811140 3869730 3988720 4022870 4487310 4636887 4671720 4736605 4827444 5081520 5159640 5683926 5983080 6034305 6182516 6191568 6436592 7179696 7241166 7578568 7622280 7728145 7739460 8045740 8525889 8974620 9273774 9343440 9473210 9654888 10319280 11367852 11966160 12068610 12365032 13910661 14209815 14482332 15157136 15244560 15456290 15478920 16091480 17051778 17949240 18102915 18547548 18946420 19309776 22735704 23184435 24137220 24730064 27821322 28419630 28964664 29366951 30912580 30957840 32182960 34103556 35898480 36205830 37095096 37892840 42629445 45471408 46368870 48274440 55642644 56839260 57929328 58733902 61825160 68207112 69553305 72411660 74190192 75785680 85258890 88100853 92737740 96548880 111285288 113678520 117467804 123650320 136414224 139106610 144823320 146834755 170517780 176201706 185475480 222570576 227357040 234935608 264302559 278213220 289646640 293669510 341035560 352403412 370950960 440504265 469871216 528605118 556426440 587339020 682071120 704806824 881008530 1057210236 1112852880 1174678040 1321512795 1409613648 1762017060 2114420472 2349356080 2643025590 3524034120 4228840944 5286051180 7048068240 10572102360 21144204720
- Sum of all divisors σ(n): 78329272320
- Sum of proper divisors (its aliquot sum) s(n): 57185067600
- 21144204720 is an abundant number, because the sum of its proper divisors (57185067600) is greater than itself. Its abundance is 36040862880
Bases of 21144204720
- Binary: 100111011000100101011110101101100002
- Hexadecimal: 0x4EC4AF5B0
- Base-36: 9POPOS0
Squares and roots of 21144204720
- 21144204720 squared (211442047202) is 447077393241270278400
- 21144204720 cubed (211442047203) is 9453095928377363119340994048000
-
The
square root of 21144204720 is 145410.4697743597 -
The
cube root of 21144204720 is 2765.2248538837
Scales and comparisons
How big is 21144204720?- 21,144,204,720 seconds is equal to 672 years, 16 weeks, 4 days, 14 hours, 12 minutes.
-
To count from 1 to 21,144,204,720 would take you about one thousand, three hundred forty-four 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 21144204720 cubic inches would be around 230.4 feet tall.
Recreational maths with 21144204720
- 21144204720 backwards is 02740244112
- The number of decimal digits it has is: 11
- The sum of 21144204720's digits is 27
- More coming soon!
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