21420388416
21,420,388,416 is an even composite number composed of six prime numbers multiplied together.
21420388416 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 21420388416:
26 × 3 × 73 × 17 × 192 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 17 × 19 × 19 × 53)See below for interesting mathematical facts about the number 21420388416 from the Numbermatics database.
Names of 21420388416
- Cardinal: 21420388416 can be written as Twenty-one billion, four hundred twenty million, three hundred eighty-eight thousand, four hundred sixteen.
Scientific notation
- Scientific notation: 2.1420388416 × 1010
Factors of 21420388416
Divisors of 21420388416
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 17 19 21 24 28 32 34 38 42 48 49 51 53 56 57 64 68 76 84 96 98 102 106 112 114 119 133 136 147 152 159 168 192 196 204 212 224 228 238 266 272 294 304 318 323 336 343 357 361 371 392 399 408 424 448 456 476 532 544 588 608 636 646 672 686 714 722 742 784 798 816 833 848 901 912 931 952 969 1007 1029 1064 1083 1088 1113 1176 1216 1272 1292 1344 1372 1428 1444 1484 1568 1596 1632 1666 1696 1802 1824 1862 1904 1938 2014 2058 2128 2166 2226 2261 2352 2499 2527 2544 2584 2597 2703 2744 2793 2856 2888 2968 3021 3136 3192 3264 3332 3392 3604 3648 3724 3808 3876 4028 4116 4256 4332 4452 4522 4704 4998 5054 5088 5168 5194 5406 5488 5586 5712 5776 5831 5936 6042 6137 6307 6384 6517 6664 6783 7049 7208 7448 7581 7616 7752 7791 8056 8232 8512 8664 8904 9044 9408 9996 10108 10176 10336 10388 10812 10976 11172 11424 11552 11662 11872 12084 12274 12614 12768 13034 13328 13566 14098 14416 14896 15162 15504 15582 15827 16112 16464 17119 17328 17493 17689 17808 18088 18179 18411 18921 19133 19551 19992 20216 20672 20776 21147 21624 21952 22344 22848 23104 23324 23744 24168 24548 25228 25536 26068 26656 27132 28196 28832 29792 30324 31008 31164 31654 32224 32928 34238 34656 34986 35378 35616 36176 36358 36822 37842 38266 39102 39984 40432 41552 42294 42959 43248 44149 44688 46648 47481 48336 49096 49343 50456 51357 52136 53067 53312 54264 54537 56392 57399 57664 59584 60648 62016 62328 63308 64448 65856 68476 69312 69972 70756 71232 72352 72716 73644 75684 76532 78204 79968 80864 83104 84588 85918 86496 88298 89376 93296 94962 96672 98192 98686 100912 102714 104272 106134 108528 109074 110789 112784 114798 119833 121296 123823 124656 126616 128877 132447 133931 136952 139944 141512 144704 145432 147288 148029 151368 153064 156408 159936 161728 166208 169176 171836 172992 176596 178752 186592 189924 193344 196384 197372 201824 205428 208544 212268 217056 218148 221578 225568 229596 239666 242592 247646 249312 253232 257754 264894 267862 273904 279888 283024 290864 294576 296058 300713 302736 306128 309043 312816 325261 332367 338352 343672 345401 353192 359499 371469 373184 379848 392768 394744 401793 403648 410856 417088 424536 434112 436296 443156 451136 459192 479332 485184 495292 498624 506464 515508 529788 535724 547808 559776 566048 581728 589152 592116 601426 605472 612256 618086 625632 650522 664734 676704 687344 690802 706384 718998 742938 759696 789488 803586 821712 838831 849072 872592 886312 902139 918384 927129 937517 958664 975783 990584 1012928 1031016 1036203 1059576 1071448 1095616 1119552 1132096 1163456 1178304 1184232 1202852 1210944 1224512 1236172 1251264 1301044 1329468 1353408 1374688 1381604 1412768 1437996 1485876 1519392 1578976 1607172 1643424 1677662 1698144 1745184 1772624 1804278 1836768 1854258 1875034 1917328 1951566 1981168 2062032 2072406 2104991 2119152 2142896 2276827 2368464 2405704 2472344 2516493 2602088 2658936 2749376 2763208 2812551 2825536 2875992 2971752 3038784 3157952 3214344 3286848 3355324 3396288 3490368 3545248 3608556 3673536 3708516 3750068 3834656 3903132 3962336 4124064 4144812 4209982 4238304 4285792 4553654 4736928 4811408 4944688 5032986 5204176 5317872 5526416 5625102 5751984 5871817 5943504 6314973 6428688 6562619 6710648 6830481 7090496 7217112 7417032 7500136 7669312 7806264 7924672 8248128 8289624 8419964 8476608 8571584 9107308 9473856 9622816 9889376 10065972 10408352 10635744 11052832 11250204 11503968 11743634 11887008 12629946 12857376 13125238 13421296 13660962 14434224 14834064 15000272 15612528 15937789 16579248 16839928 17615451 18214616 19245632 19687857 19778752 20131944 20816704 21271488 22105664 22500408 23007936 23487268 23774016 25259892 25714752 26250476 26842592 27321924 28868448 29668128 30000544 31225056 31875578 33158496 33679856 35230902 36429232 39375714 40263888 45000816 46974536 47813367 50519784 52500952 53685184 54643848 57736896 59336256 60001088 62450112 63751156 66316992 67359712 70461804 72858464 78751428 80527776 90001632 93949072 95626734 101039568 105001904 109287696 111564523 127502312 134719424 140923608 145716928 157502856 161055552 180003264 187898144 191253468 202079136 210003808 218575392 223129046 255004624 281847216 315005712 334693569 375796288 382506936 404158272 420007616 437150784 446258092 510009248 563694432 630011424 669387138 765013872 892516184 1020018496 1127388864 1260022848 1338774276 1530027744 1785032368 2677548552 3060055488 3570064736 5355097104 7140129472 10710194208 21420388416
- Sum of all divisors σ(n): 75251462400
- Sum of proper divisors (its aliquot sum) s(n): 53831073984
- 21420388416 is an abundant number, because the sum of its proper divisors (53831073984) is greater than itself. Its abundance is 32410685568
Bases of 21420388416
- Binary: 100111111001100000100110000010000002
- Hexadecimal: 0x4FCC13040
- Base-36: 9U959HC
Squares and roots of 21420388416
- 21420388416 squared (214203884162) is 458833039892306989056
- 21420388416 cubed (214203884163) is 9828381932587238515890981175296
-
The
square root of 21420388416 is 146357.0579644179 -
The
cube root of 21420388416 is 2777.2125164035
Scales and comparisons
How big is 21420388416?- 21,420,388,416 seconds is equal to 681 years, 5 weeks, 2 days, 3 hours, 53 minutes, 36 seconds.
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To count from 1 to 21,420,388,416 would take you about one thousand, three hundred sixty-two 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 21420388416 cubic inches would be around 231.4 feet tall.
Recreational maths with 21420388416
- 21420388416 backwards is 61488302412
- The number of decimal digits it has is: 11
- The sum of 21420388416's digits is 39
- More coming soon!
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The information we have on file for 21420388416 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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