21528091767420

Names of 21528091767420

• Cardinal: 21528091767420 can be written as Twenty-one trillion, five hundred twenty-eight billion, ninety-one million, seven hundred sixty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.152809176742 × 10¹³

Factors of 21528091767420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 63

Divisors of 21528091767420

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 29 30 34 35 36 42 45 49 51 58 60 63 68 70 84 85 87 90 98 102 105 116 119 126 140 145 147 153 170 174 180 196 203 204 210 238 245 252 255 261 290 294 306 315 340 343 348 357 406 420 435 441 476 490 493 510 522 580 588 595 609 612 630 686 714 735 765 812 833 841 870 882 980 986 1015 1020 1029 1044 1071 1190 1218 1260 1305 1372 1421 1428 1470 1479 1530 1666 1682 1715 1740 1764 1785 1827 1972 2030 2058 2142 2205 2380 2436 2465 2499 2523 2610 2842 2940 2958 3045 3060 3087 3332 3364 3430 3451 3570 3654 4060 4116 4165 4205 4263 4284 4410 4437 4930 4998 5046 5145 5220 5355 5684 5831 5887 5916 6090 6174 6860 6902 7105 7140 7308 7395 7497 7569 8330 8410 8526 8820 8874 9135 9860 9947 9996 10092 10290 10353 10710 11662 11774 12180 12348 12495 12615 12789 13804 14210 14297 14790 14994 15138 15435 16660 16820 17052 17255 17493 17661 17748 18270 19894 20580 20706 21315 21420 22185 23324 23548 24157 24389 24990 25230 25578 28420 28594 29155 29435 29580 29841 29988 30276 30870 31059 34510 34986 35322 36540 37485 37845 39788 41209 41412 42630 42891 44370 48314 48778 49735 49980 50460 51156 51765 52479 52983 57188 58310 58870 59682 61740 62118 63945 69020 69972 70644 71485 72471 73167 74970 75690 82418 85260 85782 87465 88305 88740 89523 96628 97556 99470 100079 103530 104958 105966 116620 117740 119364 120785 121945 123627 124236 127890 128673 142970 144942 146334 149205 149940 151380 155295 164836 169099 170723 171564 174930 176610 179046 198940 200158 206045 207060 209916 211932 214455 217413 219501 241570 243890 247254 255780 257346 262395 264915 285940 288463 289884 292668 298410 300237 310590 338198 341446 349860 353220 358092 362355 365835 370881 400316 412090 414613 428910 434826 439002 447615 483140 487780 494508 500395 507297 512169 514692 524790 529830 576926 596820 600474 618135 621180 643365 676396 682892 700553 707281 724710 731670 741762 824180 829226 845495 853615 857820 865389 869652 878004 895230 900711 1000790 1014594 1024338 1049580 1059660 1087065 1097505 1153852 1195061 1200948 1236270 1243839 1286730 1401106 1414562 1442315 1449420 1463340 1483524 1501185 1521891 1536507 1658452 1690990 1707230 1730778 1790460 1801422 1854405 2001580 2029188 2048676 2073065 2101659 2121843 2174130 2195010 2390122 2472540 2487678 2536485 2560845 2573460 2596167 2802212 2829124 2884630 2902291 3002370 3043782 3073014 3381980 3414460 3461556 3502765 3536405 3585183 3602844 3708810 3731517 4146130 4203318 4243686 4326945 4348260 4390020 4503555 4780244 4903871 4950967 4975356 5072970 5121690 5192334 5769260 5804582 5975305 6004740 6087564 6146028 6219195 6304977 6365529 7005530 7072810 7170366 7417620 7463034 7609455 7682535 8292260 8365427 8406636 8487372 8653890 8706873 9007110 9807742 9901934 10145940 10243380 10384668 10508295 10609215 10755549 11609164 11950610 12023777 12438390 12609954 12731058 12980835 14011060 14145620 14340732 14511455 14711613 14852901 14926068 15218910 15365070 16730854 17307780 17413746 17925915 18014220 18657585 19615484 19803868 20316037 20511149 21016590 21218430 21511098 23901220 24047554 24519355 24754835 24876780 25096281 25219908 25462116 25961670 26120619 29022910 29423226 29705802 30437820 30730140 31524885 31827645 33461708 34656769 34827492 35851830 36071331 37315170 40632074 41022298 41827135 42033180 42436860 43022196 43534365 44134839 44558703 48095108 49038710 49509670 50192562 51923340 52241238 53777745 58045820 58846452 59411604 60118885 60948111 61533447 63049770 63655290 69313538 71703660 72142662 73558065 74264505 74630340 75288843 81264148 82044596 83654270 84166439 87068730 88269678 89117406 98077420 99019340 100385124 101580185 102555745 103970307 104482476 107555490 108213993 120237770 121896222 123066894 125481405 126099540 127310580 130603095 138627076 142212259 143578043 144285324 147116130 148529010 150577686 167308540 168332878 173283845 174137460 176539356 178234812 180356655 182844333 184600341 203160370 205111490 207940614 215110980 216427986 220674195 222793515 240475540 242597383 243792444 246133788 250962810 252499317 261206190 284424518 287156086 294232260 297058020 301155372 304740555 307667235 311910921 336665756 346567690 348689533 360713310 365688666 369200682 376444215 406320740 410222980 415881228 420832195 426636777 430734129 432855972 441348390 445587030 485194766 501925620 504998634 519851535 522412380 541069965 568849036 574312172 589165073 609481110 615334470 623821842 693135380 697379066 711061295 717890215 721426620 727792149 731377332 738401364 752888430 757497951 841664390 853273554 861468258 882696780 891174060 914221665 923001705 970389532 1005046301 1009997268 1039703070 1046068599 1082139930 1178330146 1212986915 1218962220 1230668940 1247643684 1262496585 1279910331 1292202387 1394758132 1422122590 1435780430 1455584298 1505776860 1514995902 1559554605 1683328780 1706547108 1722936516 1743447665 1767495219 1828443330 1846003410 2010092602 2079406140 2092137198 2133183885 2153670645 2164279860 2183376447 2356660292 2425973830 2440826731 2524993170 2559820662 2584404774 2844245180 2871560860 2911168596 2945825365 3015138903 3029991804 3119109210 3138205797 3486895330 3534990438 3638960745 3656886660 3692006820 3787489755 4020185204 4124155511 4184274396 4266367770 4307341290 4366752894 4851947660 4881653462 5025231505 5049986340 5119641324 5168809548 5230342995 5302485657 5891650730 6030277806 6238218420 6276411594 6399551655 6461011935 6973790660 7035324107 7069980876 7277921490 7322480193 7574979510 8248311022 8532735540 8614682580 8733505788 8837476095 9045416709 9763306924 10050463010 10460685990 10604971314 10916882235 11783301460 12060555612 12204133655 12372466533 12552823188 12799103310 12922023870 14070648214 14555842980 14644960386 15075694515 15149959020 15691028985 16496622044 17085787117 17674952190 18090833418 20100926020 20620777555 20921371980 21105972321 21209942628 21833764470 21967440579 24408267310 24744933066 25598206620 25844047740 26512428285 28141296428 29289920772 30151389030 31382057970 34171574234 35176620535 35349904380 36181666836 36612400965 37117399599 41241555110 42211944642 43667528940 43934881158 45227083545 48816534620 49489866132 51257361351 53024856570 60302778060 61862332665 62764115940 63317916963 68343148468 70353241070 73224801930 74234799198 82483110220 84423889284 85428935585 87869762316 90454167090 102514722702 105529861605 106049713140 109837202895 119600509819 123724665330 126635833926 140706482140 146449603860 148469598396 153772084053 170857871170 180908334180 185586997995 205029445404 211059723210 219674405790 239201019638 247449330660 253271667852 256286806755 307544168106 316589584815 341715742340 358801529457 371173995990 422119446420 439348811580 478402039276 512573613510 598002549095 615088336212 633179169630 717603058914 742347991980 768860420265 1025147227020 1076404588371 1196005098190 1266358339260 1435206117828 1537720840530 1794007647285 2152809176742 2392010196380 3075441681060 3588015294570 4305618353484 5382022941855 7176030589140 10764045883710 21528091767420
• Sum of all divisors σ(n): 83513194128000
• Sum of proper divisors (its aliquot sum) s(n): 61985102360580
• 21528091767420 is an abundant number, because the sum of its proper divisors (61985102360580) is greater than itself. Its abundance is 40457010593160

Bases of 21528091767420

• Binary: 100111001010001100110010000110011001001111100₂
• Hexadecimal: 0x13946643327C
• Base-36: 7MPV9ZZB0

Squares and roots of 21528091767420

• 21528091767420 squared (21528091767420²) is 463458735146456779373456400
• 21528091767420 cubed (21528091767420³) is 9977382180645322400012553990510310488000
• The square root of 21528091767420 is 4639837.4720910215
• The cube root of 21528091767420 is 27818.5941575015

Scales and comparisons

• 21,528,091,767,420 seconds is equal to 684,526 years, 37 weeks, 5 days, 18 hours, 57 minutes.
• To count from 1 to 21,528,091,767,420 would take you about one million, seven hundred eleven thousand, three hundred sixteen 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 21528091767420 cubic inches would be around 2318.2 feet tall.

Recreational maths with 21528091767420

• 21528091767420 backwards is 02476719082512
• The number of decimal digits it has is: 14
• The sum of 21528091767420's digits is 54
• More coming soon!