21438346475520

Names of 21438346475520

• Cardinal: 21438346475520 can be written as Twenty-one trillion, four hundred thirty-eight billion, three hundred forty-six million, four hundred seventy-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.143834647552 × 10¹³

Factors of 21438346475520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 141047

Divisors of 21438346475520

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 127 128 130 144 156 160 180 192 195 208 234 240 254 256 260 288 312 320 360 381 384 390 416 468 480 508 512 520 576 585 624 635 640 720 762 768 780 832 936 960 1016 1024 1040 1143 1152 1170 1248 1270 1280 1440 1524 1536 1560 1651 1664 1872 1905 1920 2032 2048 2080 2286 2304 2340 2496 2540 2560 2880 3048 3072 3120 3302 3328 3744 3810 3840 4064 4160 4572 4608 4680 4953 4992 5080 5120 5715 5760 6096 6144 6240 6604 6656 7488 7620 7680 8128 8255 8320 9144 9216 9360 9906 9984 10160 10240 11430 11520 12192 12480 13208 13312 14859 14976 15240 15360 16256 16510 16640 18288 18432 18720 19812 19968 20320 22860 23040 24384 24765 24960 26416 26624 29718 29952 30480 30720 32512 33020 33280 36576 37440 39624 39936 40640 45720 46080 48768 49530 49920 52832 59436 59904 60960 65024 66040 66560 73152 74295 74880 79248 79872 81280 91440 92160 97536 99060 99840 105664 118872 119808 121920 130048 132080 133120 140897 146304 148590 149760 158496 162560 182880 195072 198120 199680 211328 237744 239616 243840 260096 264160 281794 292608 297180 299520 316992 325120 365760 390144 396240 399360 422656 422691 475488 487680 528320 563588 585216 594360 599040 633984 650240 704485 731520 780288 792480 845312 845382 950976 975360 1056640 1127176 1170432 1188720 1198080 1267968 1268073 1300480 1408970 1463040 1584960 1690624 1690764 1831661 1901952 1950720 2113280 2113455 2254352 2340864 2377440 2535936 2536146 2817940 2926080 3169920 3381248 3381528 3663322 3803904 3901440 4226560 4226910 4508704 4754880 5071872 5072292 5494983 5635880 5852160 6339840 6340365 6763056 7326644 7607808 8453120 8453820 9017408 9158305 9509760 10143744 10144584 10989966 11271760 11704320 12679680 12680730 13526112 14653288 15215616 16484949 16906240 16907640 17893919 18034816 18316610 19019520 20289168 21979932 22543520 25359360 25361460 27052224 27474915 29306576 30431232 32969898 33815280 35787838 36069632 36633220 38039040 40578336 43959864 45087040 50718720 50722920 53681757 54104448 54949830 58613152 65939796 67630560 71575676 72139264 73266440 76078080 81156672 82424745 87919728 89469595 90174080 101445840 107363514 108208896 109899660 117226304 131879592 135261120 143151352 144278528 146532880 152156160 161045271 162313344 164849490 175839456 178939190 180348160 202891680 214727028 216417792 219799320 232620947 234452608 263759184 268408785 270522240 286302704 288557056 293065760 322090542 324626688 329698980 351678912 357878380 360696320 405783360 429454056 432835584 439598640 465241894 468905216 527518368 536817570 541044480 572605408 586131520 644181084 649253376 659397960 697862841 703357824 715756760 721392640 805226355 811566720 858908112 865671168 879197280 930483788 937810432 1055036736 1073635140 1082088960 1145210816 1163104735 1172263040 1288362168 1298506752 1318795920 1395725682 1406715648 1431513520 1442785280 1610452710 1623133440 1717816224 1758394560 1860967576 1875620864 2093588523 2110073472 2147270280 2164177920 2290421632 2326209470 2344526080 2576724336 2597013504 2637591840 2791451364 2813431296 2863027040 3220905420 3246266880 3435632448 3489314205 3516789120 3721935152 3751241728 4187177046 4220146944 4294540560 4328355840 4580843264 4652418940 4689052160 5153448672 5275183680 5582902728 5626862592 5726054080 6441810840 6492533760 6871264896 6978628410 7033578240 7443870304 8374354092 8440293888 8589081120 9161686528 9304837880 9378104320 10306897344 10467942615 10550367360 11165805456 11253725184 11452108160 12883621680 12985067520 13742529792 13957256820 14067156480 14887740608 16748708184 16880587776 17178162240 18323373056 18609675760 18756208640 20613794688 20935885230 21100734720 22331610912 22904216320 25767243360 27485059584 27914513640 28134312960 29775481216 33497416368 33761175552 34356324480 36646746112 37219351520 41227589376 41871770460 42201469440 44663221824 45808432640 51534486720 54970119168 55829027280 56268625920 59550962432 66994832736 68712648960 74438703040 82455178752 83743540920 84402938880 89326443648 91616865280 103068973440 109940238336 111658054560 119101924864 133989665472 137425297920 148877406080 164910357504 167487081840 168805877760 178652887296 183233730560 206137946880 223316109120 238203849728 267979330944 274850595840 297754812160 329820715008 334974163680 357305774592 412275893760 446632218240 476407699456 535958661888 549701191680 595509624320 669948327360 714611549184 824551787520 893264436480 1071917323776 1191019248640 1339896654720 1429223098368 1649103575040 1786528872960 2143834647552 2382038497280 2679793309440 3573057745920 4287669295104 5359586618880 7146115491840 10719173237760 21438346475520
• Sum of all divisors σ(n): 80647580482560
• Sum of proper divisors (its aliquot sum) s(n): 59209234007040
• 21438346475520 is an abundant number, because the sum of its proper divisors (59209234007040) is greater than itself. Its abundance is 37770887531520

Bases of 21438346475520

• Binary: 100110111111110000001000001101011100000000000₂
• Hexadecimal: 0x137F8106B800
• Base-36: 7LKN1YWW0

Squares and roots of 21438346475520

• 21438346475520 squared (21438346475520²) is 459602699604440805959270400
• 21438346475520 cubed (21438346475520³) is 9853121915204340850577392792510660608000
• The square root of 21438346475520 is 4630156.2042246479
• The cube root of 21438346475520 is 27779.8840362315

Scales and comparisons

• 21,438,346,475,520 seconds is equal to 681,673 years, 5 weeks, 3 days, 3 hours, 12 minutes.
• To count from 1 to 21,438,346,475,520 would take you about one million, seven hundred four thousand, one hundred eighty-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 21438346475520 cubic inches would be around 2315 feet tall.

Recreational maths with 21438346475520

• 21438346475520 backwards is 02557464383412
• The number of decimal digits it has is: 14
• The sum of 21438346475520's digits is 54
• More coming soon!