21533388380400

Names of 21533388380400

• Cardinal: 21533388380400 can be written as Twenty-one trillion, five hundred thirty-three billion, three hundred eighty-eight million, three hundred eighty thousand, four hundred.

Scientific notation

• Scientific notation: 2.15333883804 × 10¹³

Factors of 21533388380400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 777

Divisors of 21533388380400

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 53 60 65 75 78 80 100 104 106 120 130 150 156 159 195 200 208 212 240 260 265 300 312 318 325 390 400 424 520 530 600 624 636 650 689 701 780 795 848 975 1040 1060 1200 1272 1300 1325 1378 1402 1560 1590 1950 2067 2103 2120 2544 2600 2650 2756 2804 2809 3120 3180 3445 3505 3900 3975 4134 4206 4240 5200 5300 5512 5608 5618 6360 6890 7010 7800 7950 8268 8412 8427 9113 10335 10515 10600 11024 11216 11236 12720 13780 14020 14045 15600 15900 16536 16824 16854 17225 17525 18226 20670 21030 21200 22472 27339 27560 28040 28090 31800 33072 33648 33708 34450 35050 36452 36517 37153 41340 42060 42135 44944 45565 51675 52575 54678 55120 56080 56180 63600 67416 68900 70100 70225 72904 73034 74306 82680 84120 84270 91130 103350 105150 109356 109551 111459 112360 134832 136695 137800 140200 140450 145808 146068 148612 165360 168240 168540 182260 182585 185765 206700 210300 210675 218712 219102 222918 224720 227825 273390 275600 280400 280900 292136 297224 337080 364520 365170 371530 413400 420600 421350 437424 438204 445836 455650 482989 491401 546780 547755 557295 561800 584272 594448 674160 683475 729040 730340 743060 826800 841200 842700 876408 891672 911300 912925 928825 965978 982802 1093560 1095510 1114590 1123600 1366950 1448967 1460680 1474203 1486120 1685400 1752816 1783344 1822600 1825850 1857650 1931956 1965604 1969109 2187120 2191020 2229180 2414945 2457005 2733900 2738775 2786475 2897934 2921360 2948406 2972240 3370800 3645200 3651700 3715300 3863912 3931208 3938218 4382040 4458360 4829890 4914010 5467800 5477550 5572950 5795868 5896812 5907327 6388213 7244835 7303400 7371015 7430600 7727824 7862416 7876436 8764080 8916720 9659780 9828020 9845545 10935600 10955100 11145900 11591736 11793624 11814654 12074725 12285025 12776426 14489670 14606800 14742030 14861200 15752872 19164639 19319560 19656040 19691090 21910200 22291800 23183472 23587248 23629308 24149450 24570050 25552852 25598417 26044253 28979340 29484060 29536635 31505744 31941065 36224175 36855075 38329278 38639120 39312080 39382180 43820400 44583600 47258616 48298900 49140100 49227725 51105704 51196834 52088506 57958680 58968120 59073270 63882130 72448350 73710150 76658556 76795251 78132759 78764360 94517232 95823195 96597800 98280200 98455450 102211408 102393668 104177012 115917360 117936240 118146540 127764260 127992085 130221265 144896700 147420300 147683175 153317112 153590502 156265518 157528720 159705325 191646390 193195600 196560400 196910900 204787336 208354024 236293080 255528520 255984170 260442530 289793400 294840600 295366350 306634224 307181004 312531036 319410650 338575289 383292780 383976255 390663795 393821800 409574672 416708048 472586160 479115975 511057040 511968340 520885060 579586800 589681200 590732700 614362008 625062072 638821300 639960425 651106325 677150578 766585560 767952510 781327590 787643600 958231950 1015725867 1023936680 1041770120 1181465400 1228724016 1250124144 1277642600 1279920850 1302212650 1354301156 1380345409 1533171120 1535905020 1562655180 1692876445 1916463900 1919881275 1953318975 2031451734 2047873360 2083540240 2362930800 2555285200 2559841700 2604425300 2708602312 2760690818 3071810040 3125310360 3385752890 3832927800 3839762550 3906637950 4062903468 4141036227 5078629335 5119683400 5208850600 5417204624 5521381636 6143620080 6250620720 6771505780 6901727045 7665855600 7679525100 7813275900 8125806936 8282072454 8464382225 10157258670 10239366800 10417701200 11042763272 13543011560 13803454090 15359050200 15626551800 16251613872 16564144908 16928764450 17944490317 20314517340 20705181135 22085526544 25393146675 27086023120 27606908180 30718100400 31253103600 33128289816 33857528900 34508635225 35888980634 40629034680 41410362270 50786293350 53833470951 55213816360 66256579632 67715057800 69017270450 71777961268 81258069360 82820724540 89722451585 101572586700 103525905675 107666941902 110427632720 135430115600 138034540900 143555922536 165641449080 179444903170 203145173400 207051811350 215333883804 269167354755 276069081800 287111845072 331282898160 358889806340 406290346800 414103622700 430667767608 448612257925 538334709510 552138163600 717779612680 828207245400 861335535216 897224515850 1076669419020 1345836773775 1435559225360 1656414490800 1794449031700 2153338838040 2691673547550 3588898063400 4306677676080 5383347095100 7177796126800 10766694190200 21533388380400
• Sum of all divisors σ(n): 75820872082424
• Sum of proper divisors (its aliquot sum) s(n): 54287483702024
• 21533388380400 is an abundant number, because the sum of its proper divisors (54287483702024) is greater than itself. Its abundance is 32754095321624

Bases of 21533388380400

• Binary: 100111001010110100001111101110001100011110000₂
• Hexadecimal: 0x1395A1F718F0
• Base-36: 7MSAVGS1C

Squares and roots of 21533388380400

• 21533388380400 squared (21533388380400²) is 463686815141145735104160000
• 21533388380400 cubed (21533388380400³) is 9984748277305030358234935327702464000000
• The square root of 21533388380400 is 4640408.2126899135
• The cube root of 21533388380400 is 27820.8753976957

Scales and comparisons

• 21,533,388,380,400 seconds is equal to 684,695 years, 7 weeks, 3 days, 4 hours, 20 minutes.
• To count from 1 to 21,533,388,380,400 would take you about one million, seven hundred eleven thousand, seven hundred thirty-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 21533388380400 cubic inches would be around 2318.4 feet tall.

Recreational maths with 21533388380400

• 21533388380400 backwards is 00408388333512
• 21533388380400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21533388380400's digits is 48
• More coming soon!