21210760804640

Names of 21210760804640

• Cardinal: 21210760804640 can be written as Twenty-one trillion, two hundred ten billion, seven hundred sixty million, eight hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.121076080464 × 10¹³

Factors of 21210760804640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1037

Divisors of 21210760804640

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 61 80 88 110 121 122 149 160 176 220 242 244 298 305 352 440 484 488 596 605 610 671 745 809 880 968 976 1192 1210 1220 1342 1490 1618 1639 1760 1936 1952 2384 2420 2440 2684 2980 3236 3278 3355 3872 4045 4768 4840 4880 5368 5960 6472 6556 6710 7381 8090 8195 8899 9089 9680 9760 10736 11920 12944 13112 13420 14762 16180 16390 17798 18029 18178 19360 21472 22201 23840 25888 26224 26840 29524 32360 32780 35596 36058 36356 36905 44402 44495 45445 49349 52448 53680 59048 64720 65560 71192 72116 72712 73810 88804 88990 90145 90890 97889 98698 99979 107360 111005 118096 120541 129440 131120 142384 144232 145424 147620 177608 177980 180290 181780 195778 197396 199958 222010 236192 241082 244211 246745 262240 284768 288464 290848 295240 355216 355960 360580 363560 391556 394792 399916 444020 482164 488422 489445 493490 499895 542839 576928 590480 602705 710432 711920 721160 727120 783112 789584 799832 888040 964328 976844 978890 986980 999790 1085678 1099769 1180960 1205410 1221055 1325951 1354261 1423840 1442320 1454240 1566224 1579168 1599664 1776080 1928656 1953688 1957780 1973960 1999580 2171356 2199538 2410820 2442110 2651902 2686321 2708522 2714195 2884640 3132448 3199328 3552160 3857312 3907376 3915560 3947920 3999160 4342712 4399076 4821640 4884220 5303804 5372642 5417044 5428390 5498845 5971229 6629755 6771305 7353001 7814752 7831120 7895840 7998320 8685424 8798152 9643280 9768440 10607608 10745284 10834088 10856780 10997690 11942458 13259510 13431605 13542610 14585461 14706002 14896871 15662240 15996640 17370848 17596304 17960609 19286560 19536880 21215216 21490568 21668176 21713560 21995380 23884916 26519020 26863210 27085220 29170922 29412004 29793742 29856145 35192608 35921218 36765005 39073760 42430432 42981136 43336352 43427120 43990760 47769832 53038040 53726420 54170440 58341844 58824008 59587484 59712290 71842436 72927305 73530010 74484355 80883011 85962272 86854240 87981520 89803045 95539664 106076080 107452840 108340880 116683688 117648016 119174968 119424580 143684872 145854610 147060020 148968710 161766022 163865581 175963040 179606090 191079328 197566699 212152160 214905680 216681760 233367376 235296032 238349936 238849160 287369744 291709220 294120040 297937420 323532044 327731162 359212180 395133398 404415055 429811360 466734752 476699872 477698320 574739488 583418440 588240080 595874840 647064088 655462324 718424360 790266796 808830110 819327905 889713121 955396640 987833495 1095597149 1166836880 1176480160 1191749680 1294128176 1310924648 1436848720 1580533592 1617660220 1638655810 1779426242 1975666990 2173233689 2191194298 2333673760 2383499360 2588256352 2621849296 2873697440 3161067184 3235320440 3277311620 3558852484 3951333980 4346467378 4382388596 4448565605 5243698592 5477985745 6322134368 6470640880 6554623240 7117704968 7902667960 8692934756 8764777192 8897131210 10866168445 10955971490 12051568639 12941281760 13109246480 14235409936 15805335920 17385869512 17529554384 17794262420 21732336890 21911942980 24103137278 26218492960 28470819872 31610671840 34771739024 35059108768 35588524840 43464673780 43823885960 48206274556 60257843195 69543478048 71177049680 86929347560 87647771920 96412549112 120515686390 132567255029 142354099360 173858695120 175295543840 192825098224 241031372780 265134510058 347717390240 385650196448 482062745560 530269020116 662836275145 964125491120 1060538040232 1325672550290 1928250982240 2121076080464 2651345100580 4242152160928 5302690201160 10605380402320 21210760804640
• Sum of all divisors σ(n): 56430917018280
• Sum of proper divisors (its aliquot sum) s(n): 35220156213640
• 21210760804640 is an abundant number, because the sum of its proper divisors (35220156213640) is greater than itself. Its abundance is 14009395409000

Bases of 21210760804640

• Binary: 100110100101010000011110111001111100100100000₂
• Hexadecimal: 0x134A83DCF920
• Base-36: 7IO37C5CW

Squares and roots of 21210760804640

• 21210760804640 squared (21210760804640²) is 449896373911652500245529600
• 21210760804640 cubed (21210760804640³) is 9542644373914940690379937216058937344000
• The square root of 21210760804640 is 4605514.1737530241
• The cube root of 21210760804640 is 27681.2320158553

Scales and comparisons

• 21,210,760,804,640 seconds is equal to 674,436 years, 30 weeks, 2 days, 17 hours, 17 minutes, 20 seconds.
• To count from 1 to 21,210,760,804,640 would take you about one million, six hundred eighty-six thousand and ninety-one 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 21210760804640 cubic inches would be around 2306.8 feet tall.

Recreational maths with 21210760804640

• 21210760804640 backwards is 04640806701212
• The number of decimal digits it has is: 14
• The sum of 21210760804640's digits is 41
• More coming soon!