21204840384

Names of 21204840384

• Cardinal: 21204840384 can be written as Twenty-one billion, two hundred four million, eight hundred forty thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1204840384 × 10¹⁰

Factors of 21204840384

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 544

Divisors of 21204840384

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 28 32 34 36 39 42 48 51 52 53 56 63 64 68 72 78 84 91 96 102 104 106 112 117 119 126 136 144 153 156 159 168 182 192 204 208 212 221 224 234 238 252 272 273 288 306 312 318 336 357 364 371 408 416 424 442 448 449 468 476 477 504 544 546 576 612 624 636 663 672 689 714 728 742 816 819 832 848 884 898 901 936 952 954 1008 1071 1088 1092 1113 1224 1248 1272 1326 1344 1347 1378 1428 1456 1484 1547 1632 1638 1696 1768 1796 1802 1872 1904 1908 1989 2016 2067 2142 2184 2226 2448 2496 2544 2652 2694 2703 2756 2856 2912 2968 3094 3143 3264 3276 3339 3392 3536 3592 3604 3744 3808 3816 3978 4032 4041 4134 4284 4368 4452 4641 4823 4896 5088 5304 5388 5406 5512 5712 5824 5837 5936 6188 6201 6286 6307 6552 6678 7072 7184 7208 7488 7616 7632 7633 7956 8082 8109 8268 8568 8736 8904 9282 9429 9646 9792 10176 10608 10776 10812 11024 11424 11674 11713 11872 12376 12402 12572 12614 13104 13356 13923 14144 14368 14416 14469 15264 15266 15912 16164 16218 16536 17136 17472 17511 17808 18564 18858 18921 19292 21216 21552 21624 22048 22848 22899 23348 23426 23744 23797 24752 24804 25144 25228 26208 26712 27846 28287 28736 28832 28938 30528 30532 31824 32328 32436 33072 34272 35022 35139 35616 37128 37716 37842 38584 40859 42432 43104 43248 43407 44096 45798 46696 46852 47594 49504 49608 50288 50456 52416 52533 53424 53431 55692 56574 56763 57664 57876 61064 63648 64656 64872 66144 68544 68697 70044 70278 71232 71391 74256 75432 75684 77168 81718 81991 86208 86496 86814 91596 93392 93704 95188 99008 99216 99229 100576 100912 105066 105417 106848 106862 111384 113148 113526 115752 122128 122577 127296 129312 129744 132288 137394 140088 140556 142782 148512 150864 151368 154336 160293 163436 163982 166579 172992 173628 183192 186784 187408 190376 198432 198458 201152 201824 210132 210834 213696 213724 214173 222768 226296 227052 231504 244256 245154 245973 258624 259488 274788 280176 281112 285564 297024 297687 301728 302736 308672 309361 320586 326872 327964 333158 347256 366384 367731 373568 374816 380752 396864 396916 403648 404549 420264 421668 427448 428346 445536 452592 454104 463008 480879 488512 490308 491946 499737 518976 549576 560352 562224 571128 595374 603456 605472 618722 641172 653744 655928 666316 694512 694603 732768 735462 737919 749632 761504 793832 809098 840528 843336 854896 856692 891072 893061 905184 908208 926016 928083 961758 980616 983892 999474 1099152 1120704 1124448 1142256 1190748 1210944 1213647 1237444 1282344 1307488 1311856 1332632 1389024 1389206 1465536 1470924 1475838 1499211 1523008 1587664 1618196 1681056 1686672 1709792 1713384 1786122 1810368 1816416 1856166 1923516 1961232 1967784 1998948 2083809 2165527 2198304 2248896 2284512 2381496 2427294 2474888 2564688 2614976 2623712 2665264 2778048 2778412 2784249 2831843 2941848 2951676 2998422 3175328 3236392 3362112 3373344 3419584 3426768 3572244 3632832 3640941 3712332 3847032 3922464 3935568 3997896 4167618 4331054 4396608 4569024 4762992 4854588 4949776 5129376 5247424 5259137 5330528 5556824 5568498 5663686 5883696 5903352 5996844 6251427 6350656 6472784 6496581 6746688 6853536 7144488 7281882 7424664 7694064 7844928 7871136 7995792 8335236 8495529 8662108 9525984 9709176 9899552 10258752 10518274 10661056 11113648 11136996 11327372 11767392 11806704 11993688 12502854 12945568 12993162 13707072 14288976 14563764 14849328 15388128 15742272 15777411 15991584 16670472 16991058 17324216 19051968 19418352 19489743 19799104 21036548 22227296 22273992 22654744 23534784 23613408 23987376 25005708 25486587 25891136 25986324 28577952 29127528 29698656 30776256 31554822 31983168 33340944 33982116 34648432 36813959 38836704 38979486 42073096 44454592 44547984 45309488 47226816 47332233 47974752 50011416 50973174 51972648 57155904 58255056 59397312 63109644 66681888 67964232 69296864 73627918 77673408 77958972 84146192 89095968 90618976 94664466 95949504 100022832 101946348 103945296 110441877 116510112 126219288 133363776 135928464 138593728 147255836 155917944 168292384 178191936 181237952 189328932 200045664 203892696 207890592 220883754 233020224 252438576 271856928 294511672 311835888 331325631 336584768 378657864 400091328 407785392 415781184 441767508 504877152 543713856 589023344 623671776 662651262 757315728 815570784 883535016 1009754304 1178046688 1247343552 1325302524 1514631456 1631141568 1767070032 2356093376 2650605048 3029262912 3534140064 5301210096 7068280128 10602420192 21204840384
• Sum of all divisors σ(n): 80880508800
• Sum of proper divisors (its aliquot sum) s(n): 59675668416
• 21204840384 is an abundant number, because the sum of its proper divisors (59675668416) is greater than itself. Its abundance is 38470828032

Bases of 21204840384

• Binary: 10011101111111010000010111111000000₂
• Hexadecimal: 0x4EFE82FC0
• Base-36: 9QOTBK0

Squares and roots of 21204840384

• 21204840384 squared (21204840384²) is 449645255710917267456
• 21204840384 cubed (21204840384³) is 9534655876772865102633917743104
• The square root of 21204840384 is 145618.8187838371
• The cube root of 21204840384 is 2767.8656282571

Scales and comparisons

• 21,204,840,384 seconds is equal to 674 years, 12 weeks, 6 days, 9 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,204,840,384 would take you about one thousand, three hundred forty-eight 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 21204840384 cubic inches would be around 230.7 feet tall.

Recreational maths with 21204840384

• 21204840384 backwards is 48304840212
• 21204840384 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21204840384's digits is 36
• More coming soon!