21434638720
21,434,638,720 is an even composite number composed of seven prime numbers multiplied together.
21434638720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21434638720:
27 × 5 × 11 × 19 × 37 × 61 × 71
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 19 × 37 × 61 × 71)See below for interesting mathematical facts about the number 21434638720 from the Numbermatics database.
Names of 21434638720
- Cardinal: 21434638720 can be written as Twenty-one billion, four hundred thirty-four million, six hundred thirty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.143463872 × 1010
Factors of 21434638720
Divisors of 21434638720
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 4 5 8 10 11 16 19 20 22 32 37 38 40 44 55 61 64 71 74 76 80 88 95 110 122 128 142 148 152 160 176 185 190 209 220 244 284 296 304 305 320 352 355 370 380 407 418 440 488 568 592 608 610 640 671 703 704 710 740 760 781 814 836 880 976 1045 1136 1159 1184 1216 1220 1342 1349 1406 1408 1420 1480 1520 1562 1628 1672 1760 1952 2035 2090 2257 2272 2318 2368 2432 2440 2627 2684 2698 2812 2840 2960 3040 3124 3256 3344 3355 3515 3520 3904 3905 4070 4180 4331 4514 4544 4636 4736 4880 5254 5368 5396 5624 5680 5795 5920 6080 6248 6512 6688 6710 6745 7030 7040 7733 7808 7810 8140 8360 8662 9028 9088 9272 9760 10508 10736 10792 11248 11285 11360 11590 11840 12160 12496 12749 13024 13135 13376 13420 13490 14060 14839 15466 15620 16280 16720 17324 18056 18544 19520 21016 21472 21584 21655 22496 22570 22720 23180 23680 24827 24992 25498 26048 26270 26752 26840 26980 28120 28897 29678 30932 31240 32560 33440 34648 36112 37088 38665 39040 42032 42883 42944 43168 43310 44992 45140 45440 46360 47641 49654 49913 49984 50996 52096 52540 53680 53960 56240 57794 59356 61864 62480 63745 65120 66880 69296 72224 74176 74195 77330 82289 84064 85766 85888 86336 86620 89984 90280 92720 95282 99308 99826 99968 101992 105080 107360 107920 112480 115588 118712 123728 124135 124960 127490 130240 133760 138592 144448 144485 148352 148390 154660 160247 164578 168128 171532 172672 173240 180560 185440 190564 198616 199652 203984 210160 214415 214720 215840 224960 231176 237424 238205 247456 248270 249565 249920 254980 260480 277184 288896 288970 296780 309320 320494 329156 336256 343064 346480 361120 370880 381128 397232 399304 407968 411445 420320 428830 429440 431680 449920 462352 471713 474848 476410 494912 496540 499130 499840 509960 549043 554368 577940 593560 618640 640988 658312 686128 692960 722240 741760 762256 794464 798608 801235 815936 822890 840640 857660 863360 905179 924704 943426 949696 952820 989824 993080 998260 1019920 1098086 1155880 1187120 1237280 1281976 1316624 1372256 1385920 1444480 1524512 1588928 1597216 1602470 1631872 1645780 1681280 1715320 1762717 1810358 1849408 1886852 1899392 1905640 1986160 1996520 2039840 2196172 2311760 2358565 2374240 2474560 2563952 2633248 2744512 2745215 2771840 3044693 3049024 3177856 3194432 3204940 3291560 3430640 3525434 3620716 3698816 3773704 3811280 3972320 3993040 4079680 4392344 4525895 4623520 4717130 4748480 4949120 5127904 5266496 5489024 5490430 6089386 6098048 6388864 6409880 6583120 6861280 7050868 7241432 7547408 7622560 7944640 7986080 8159360 8784688 8813585 9051790 9247040 9434260 9496960 10255808 10532992 10980860 12178772 12819760 13166240 13722560 14101736 14482864 15094816 15223465 15245120 15889280 15972160 17569376 17627170 18103580 18494080 18868520 20511616 21961720 24357544 25639520 26332480 27445120 28203472 28965728 30189632 30446930 30490240 31944320 33491623 35138752 35254340 36207160 37737040 43923440 48715088 51279040 52664960 56406944 57931456 60379264 60893860 66983246 70277504 70508680 72414320 75474080 87846880 97430176 102558080 112813888 115862912 121787720 133966492 141017360 144828640 150948160 167458115 175693760 194860352 225627776 243575440 267932984 282034720 289657280 301896320 334916230 351387520 389720704 487150880 535865968 564069440 579314560 669832460 974301760 1071731936 1128138880 1339664920 1948603520 2143463872 2679329840 4286927744 5358659680 10717319360 21434638720
- Sum of all divisors σ(n): 62288870400
- Sum of proper divisors (its aliquot sum) s(n): 40854231680
- 21434638720 is an abundant number, because the sum of its proper divisors (40854231680) is greater than itself. Its abundance is 19419592960
Bases of 21434638720
- Binary: 100111111011001101010100001100000002
- Hexadecimal: 0x4FD9AA180
- Base-36: 9UHMP34
Squares and roots of 21434638720
- 21434638720 squared (214346387202) is 459443737056923238400
- 21434638720 cubed (214346387203) is 9848010515981825689876430848000
-
The
square root of 21434638720 is 146405.7332210731 -
The
cube root of 21434638720 is 2777.8282436389
Scales and comparisons
How big is 21434638720?- 21,434,638,720 seconds is equal to 681 years, 28 weeks, 6 days, 2 hours, 18 minutes, 40 seconds.
-
To count from 1 to 21,434,638,720 would take you about one thousand, three hundred sixty-three 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 21434638720 cubic inches would be around 231.5 feet tall.
Recreational maths with 21434638720
- 21434638720 backwards is 02783643412
- 21434638720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21434638720's digits is 40
- More coming soon!
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