21315633567237940

Names of 21315633567237940

• Cardinal: 21315633567237940 can be written as Twenty-one quadrillion, three hundred fifteen trillion, six hundred thirty-three billion, five hundred sixty-seven million, two hundred thirty-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.131563356723794 × 10¹⁶

Factors of 21315633567237940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1143

Divisors of 21315633567237940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 14 17 19 20 28 34 35 38 68 70 76 85 95 119 133 140 170 190 238 266 323 340 361 380 476 532 595 646 665 722 1093 1190 1292 1330 1444 1615 1805 2186 2261 2380 2527 2660 3230 3610 4372 4522 5054 5465 6137 6460 6859 7220 7651 9044 10108 10930 11305 12274 12635 13718 15302 18581 20767 21860 22610 24548 25270 27436 30604 30685 34295 37162 38255 41534 42959 45220 48013 50540 61370 68590 74324 76510 83068 85918 92905 96026 103835 116603 122740 130067 137180 145369 153020 171836 185810 192052 207670 214795 233206 240065 260134 290738 353039 371620 394573 415340 429590 466412 480130 520268 581476 583015 650335 706078 726845 789146 816221 859180 960260 1166030 1194649 1300670 1412156 1453690 1578292 1632442 1765195 1972865 2332060 2389298 2471273 2601340 2762011 2907380 3264884 3530390 3945730 4081105 4778596 4942546 5524022 5973245 6707741 7060780 7496887 7891460 8162210 8362543 9885092 11048044 11946490 12356365 13415482 13810055 14993774 16324420 16725086 20309033 22698331 23892980 24712730 26830964 27620110 29987548 33450172 33538705 37484435 40618066 41812715 45396662 46954187 49425460 52478209 55240220 67077410 74968870 81236132 83625430 90793324 93908374 101545165 104956418 113491655 127447079 134154820 142163231 149937740 158888317 167250860 187816748 203090330 209912836 226983310 234770935 254894158 262391045 284326462 317776634 385871627 406180660 431268289 453966620 469541870 509788316 524782090 568652924 635553268 637235395 710816155 771743254 794441585 862536578 892129553 939083740 1049564180 1274470790 1305751357 1421632310 1543486508 1588883170 1725073156 1784259106 1929358135 2156341445 2548941580 2611502714 2701101389 2843264620 3018878023 3177766340 3568518212 3858716270 4312682890 4460647765 5223005428 5402202778 6037756046 6528756785 7331560913 7717432540 8194097491 8625365780 8921295530 9140259499 10804405556 12075512092 13057513570 13505506945 14663121826 15094390115 16388194982 17842591060 18280518998 22197773069 24809275783 26115027140 27011013890 29326243652 30188780230 32776389964 36561037996 36657804565 40970487455 44395546138 45701297495 49618551566 51320926391 54022027780 57358682437 60377560460 73315609130 81940974910 88791092276 91402594990 99237103132 102641852782 110988865345 114717364874 124046378915 139299657347 146631218260 155384411483 163881949820 173664930481 182805189980 205283705564 221977730690 229434729748 248092757830 256604631955 278599314694 286793412185 310768822966 347329860962 421757688311 443955461380 471376239877 496185515660 513209263910 557198629388 573586824370 621537645932 694659721924 696498286735 776922057415 843515376622 868324652405 942752479754 975097601429 1026418527820 1147173648740 1392996573470 1553844114830 1687030753244 1736649304810 1885504959508 1950195202858 2108788441555 2356881199385 2785993146940 2952303818177 3107688229660 3299633679139 3473298609620 3900390405716 4217576883110 4713762398770 4875488007145 5904607636354 6599267358278 8013396077909 8435153766220 8956148557663 9427524797540 9750976014290 11809215272708 13198534716556 14761519090885 16026792155818 16498168395695 17912297115326 19501952028580 29523038181770 32053584311636 32996336791390 35824594230652 40066980389545 44780742788315 56093772545363 59046076363540 62693039903641 65992673582780 80133960779090 89561485576630 112187545090726 125386079807282 152254525480271 160267921558180 179122971153260 224375090181452 250772159614564 280468862726815 304509050960542 313465199518205 560937725453630 609018101921084 626930399036410 761272627401355 1065781678361897 1121875450907260 1253860798072820 1522545254802710 2131563356723794 3045090509605420 4263126713447588 5328908391809485 10657816783618970 21315633567237940
• Sum of all divisors σ(n): 57227972280192000
• Sum of proper divisors (its aliquot sum) s(n): 35912338712954060
• 21315633567237940 is an abundant number, because the sum of its proper divisors (35912338712954060) is greater than itself. Its abundance is 14596705145716120

Bases of 21315633567237940

• Binary: 1001011101110100111010010101110111100000000011100110100₂
• Hexadecimal: 0x4BBA74AEF00734
• Base-36: 5TVREVKL0S4

Squares and roots of 21315633567237940

• 21315633567237940 squared (21315633567237940²) is 454356234372760827190920575443600
• 21315633567237940 cubed (21315633567237940³) is 9684891000879849400940127646778363717042250184000
• The square root of 21315633567237940 is 145998745.0878874509
• The cube root of 21315633567237940 is 277267.7864404853

Scales and comparisons

• 21,315,633,567,237,940 seconds is equal to 677,771,213 years, 44 weeks, 3 days, 45 minutes, 40 seconds.
• To count from 1 to 21,315,633,567,237,940 would take you about two billion, thirty-three million, three hundred thirteen thousand, six hundred forty-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 21315633567237940 cubic inches would be around 23105.6 feet tall.

Recreational maths with 21315633567237940

• 21315633567237940 backwards is 04973276533651312
• The number of decimal digits it has is: 17
• The sum of 21315633567237940's digits is 67
• More coming soon!