21209709930240

Names of 21209709930240

• Cardinal: 21209709930240 can be written as Twenty-one trillion, two hundred nine billion, seven hundred nine million, nine hundred thirty thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.120970993024 × 10¹³

Factors of 21209709930240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 17142

Divisors of 21209709930240

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 37 39 40 48 52 60 64 65 74 78 80 96 104 111 120 128 130 148 156 160 185 192 195 208 222 240 256 260 296 312 320 370 384 390 416 444 480 481 520 555 592 624 640 701 740 768 780 832 888 960 962 1040 1110 1184 1248 1280 1402 1443 1480 1560 1664 1776 1920 1924 2080 2103 2220 2368 2405 2496 2804 2886 2960 3120 3328 3505 3552 3840 3848 4160 4206 4440 4736 4810 4992 5608 5772 5920 6240 7010 7104 7215 7696 8320 8412 8880 9113 9472 9620 9984 10515 11216 11544 11840 12480 14020 14208 14430 15392 16381 16640 16824 17760 18226 19240 21030 22432 23088 23680 24960 25937 27339 28040 28416 28860 30784 32762 33648 35520 36452 38480 42060 44864 45565 46176 47360 49143 49920 51874 54678 56080 57720 61568 65524 67296 71040 72904 76960 77811 81905 84120 89728 91130 92352 98286 103748 109356 112160 115440 123136 129685 131048 134592 136695 142080 145808 153920 155622 163810 168240 179456 182260 184704 196572 207496 212953 218712 224320 230880 245715 259370 262096 269184 273390 291616 307840 311244 327620 336480 337181 364520 369408 389055 393144 414992 425906 437424 448640 461760 491430 518740 524192 538368 546780 583232 606097 615680 622488 638859 655240 672960 674362 729040 778110 786288 829984 851812 874848 897280 923520 982860 1011543 1037480 1048384 1064765 1093560 1166464 1212194 1244976 1277718 1310480 1345920 1348724 1458080 1556220 1572576 1659968 1685905 1703624 1749696 1818291 1847040 1965720 2023086 2074960 2096768 2129530 2187120 2332928 2424388 2489952 2555436 2620960 2691840 2697448 2916160 3030485 3112440 3145152 3194295 3319936 3371810 3407248 3499392 3636582 3931440 4046172 4149920 4193536 4259060 4374240 4848776 4979904 5057715 5110872 5241920 5394896 5832320 6060970 6224880 6290304 6388590 6639872 6743620 6814496 6998784 7273164 7862880 7879261 8092344 8299840 8518120 8748480 9091455 9697552 9959808 10115430 10221744 10483840 10789792 11483081 11664640 12121940 12449760 12580608 12777180 13487240 13628992 14546328 15725760 15758522 16184688 16599680 17036240 17496960 18182910 19395104 19919616 20230860 20443488 20967680 21579584 22966162 23637783 24243880 24899520 25554360 26974480 27257984 29092656 31451520 31517044 32369376 33199360 34072480 34449243 34993920 36365820 38790208 39396305 40461720 40886976 43159168 45932324 47275566 48487760 49799040 51108720 53948960 54515968 57415405 58185312 62903040 63034088 64738752 68144960 68898486 72731640 77580416 78792610 80923440 81773952 86318336 91864648 94551132 96975520 99598080 102217440 107897920 114830810 116370624 118188915 126068176 129477504 136289920 137796972 145463280 149280053 155160832 157585220 161846880 163547904 172246215 183729296 189102264 193951040 204434880 215795840 229661620 232741248 236377830 252136352 258955008 272579840 275593944 290926560 298560106 315170440 323693760 344492430 367458592 378204528 387902080 408869760 424873997 431591680 447840159 459323240 465482496 472755660 504272704 551187888 581853120 597120212 630340880 647387520 688984860 734917184 746400265 756409056 775804160 817739520 849747994 895680318 918646480 945511320 1008545408 1102375776 1163706240 1194240424 1260681760 1274621991 1294775040 1377969720 1469834368 1492800530 1512818112 1699495988 1791360636 1837292960 1891022640 2017090816 2124369985 2204751552 2239200795 2327412480 2388480848 2521363520 2549243982 2755939440 2939668736 2985601060 3025636224 3398991976 3582721272 3674585920 3782045280 4248739970 4409503104 4478401590 4776961696 5042727040 5098487964 5511878880 5523361961 5971202120 6051272448 6373109955 6797983952 7165442544 7349171840 7564090560 8497479940 8819006208 8956803180 9553923392 10085454080 10196975928 11023757760 11046723922 11942404240 12746219910 13595967904 14330885088 14698343680 15128181120 16570085883 16994959880 17913606360 19107846784 20393951856 22047515520 22093447844 23884808480 25492439820 27191935808 27616809805 28661770176 30256362240 33140171766 33989919760 35827212720 38215693568 40787903712 44095031040 44186895688 47769616960 50984879640 54383871616 55233619610 57323540352 66280343532 67979839520 71654425440 81575807424 82850429415 88373791376 95539233920 101969759280 108767743232 110467239220 114647080704 132560687064 135959679040 143308850880 163151614848 165700858830 176747582752 191078467840 203939518560 220934478440 265121374128 271919358080 286617701760 326303229696 331401717660 353495165504 407879037120 441868956880 530242748256 543838716160 573235403520 662803435320 706990331008 815758074240 883737913760 1060485496512 1325606870640 1413980662016 1631516148480 1767475827520 2120970993024 2651213741280 3534951655040 4241941986048 5302427482560 7069903310080 10604854965120 21209709930240
• Sum of all divisors σ(n): 75032222009472
• Sum of proper divisors (its aliquot sum) s(n): 53822512079232
• 21209709930240 is an abundant number, because the sum of its proper divisors (53822512079232) is greater than itself. Its abundance is 32612802148992

Bases of 21209709930240

• Binary: 100110100101001000101001110011110011100000000₂
• Hexadecimal: 0x134A4539E700
• Base-36: 7INLTO9HC

Squares and roots of 21209709930240

• 21209709930240 squared (21209709930240²) is 449851795324921265666457600
• 21209709930240 cubed (21209709930240³) is 9541226090439274575752014930403917824000
• The square root of 21209709930240 is 4605400.0836235717
• The cube root of 21209709930240 is 27680.7748583027

Scales and comparisons

• 21,209,709,930,240 seconds is equal to 674,403 years, 8 weeks, 5 days, 19 hours, 44 minutes.
• To count from 1 to 21,209,709,930,240 would take you about one million, six hundred eighty-six thousand and 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 21209709930240 cubic inches would be around 2306.7 feet tall.

Recreational maths with 21209709930240

• 21209709930240 backwards is 04203990790212
• 21209709930240 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21209709930240's digits is 48
• More coming soon!