21157507333872

Names of 21157507333872

• Cardinal: 21157507333872 can be written as Twenty-one trillion, one hundred fifty-seven billion, five hundred seven million, three hundred thirty-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1157507333872 × 10¹³

Factors of 21157507333872

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2134

Divisors of 21157507333872

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 36 39 42 48 52 54 56 63 72 78 84 91 104 108 112 117 126 127 144 156 168 169 181 182 189 208 216 234 252 254 273 312 336 338 351 362 364 378 381 432 468 504 507 508 543 546 624 676 702 724 728 756 762 819 889 936 1008 1014 1016 1086 1092 1143 1183 1267 1352 1404 1448 1456 1512 1521 1524 1629 1638 1651 1778 1801 1872 2028 2032 2172 2184 2286 2353 2366 2457 2534 2667 2704 2808 2896 3024 3042 3048 3258 3276 3302 3429 3549 3556 3602 3801 4056 4344 4368 4563 4572 4706 4732 4887 4914 4953 5068 5334 5403 5616 6084 6096 6516 6552 6604 6858 7059 7098 7112 7204 7602 8001 8112 8688 9126 9144 9412 9464 9774 9828 9906 10136 10647 10668 10806 11403 11557 12168 12607 13032 13104 13208 13716 14118 14196 14224 14408 14859 15204 16002 16209 16471 18252 18288 18824 18928 19548 19656 19812 20272 21177 21294 21336 21463 21612 22806 22987 23114 23413 24003 24336 25214 26064 26416 27432 28236 28392 28816 29718 30408 30589 31941 32004 32418 32942 34209 34671 36504 37648 37821 39096 39312 39624 42354 42588 42672 42926 43224 44577 45612 45974 46228 46826 48006 48627 49413 50428 54864 56472 56784 59436 60816 61178 63531 63882 64008 64389 64836 65884 68418 68961 69342 70239 73008 75642 78192 79248 84708 85176 85852 86448 89154 91224 91767 91948 92456 93652 96012 97254 98826 100856 104013 112944 113463 118872 122356 127062 127764 128016 128778 129672 131768 136836 137922 138684 140478 148239 150241 151284 160909 163891 169416 170352 171704 178308 182448 183534 183896 184912 187304 192024 193167 194508 197652 201712 206883 208026 210717 214123 226926 228727 237744 244712 254124 255528 257556 259344 263536 273672 275301 275844 277368 280956 296478 298831 300482 302568 304369 312039 321818 325981 327782 338832 340389 343408 356616 367068 367792 374608 384048 386334 389016 395304 413766 416052 421434 428246 444717 450723 453852 457454 482727 489424 491673 508248 511056 515112 547344 550602 551688 554736 561912 579501 592956 597662 600964 605136 608738 620649 624078 632151 642369 643636 651962 655564 680778 686181 713232 734136 772668 778032 790608 825903 827532 832104 842868 856492 889434 896493 901446 907704 913107 914908 965454 977943 983346 1016496 1030224 1101204 1103376 1123824 1159002 1185912 1195324 1201928 1217476 1241298 1248156 1264302 1284738 1287272 1303924 1311128 1352169 1361556 1372362 1448181 1468272 1475019 1545336 1601089 1651806 1655064 1664208 1685736 1712984 1778868 1792986 1802892 1815408 1826214 1829816 1927107 1930908 1955886 1966692 2058543 2091817 2130583 2202408 2281867 2318004 2371824 2390648 2403856 2434952 2482596 2496312 2528604 2569476 2574544 2607848 2622256 2689479 2704338 2723112 2739321 2744724 2896362 2933829 2950038 2973451 3090672 3202178 3303612 3310128 3371472 3425968 3557736 3585972 3605784 3652428 3659632 3854214 3861816 3884803 3911772 3933384 4056507 4117086 4183634 4237753 4261166 4344543 4404816 4425057 4563734 4636008 4781296 4803267 4869904 4965192 4992624 5057208 5138952 5215696 5378958 5408676 5446224 5478642 5489448 5781321 5792724 5867658 5900076 5946902 6175629 6275451 6391749 6404356 6607224 6845601 7115472 7171944 7211568 7304856 7708428 7723632 7769606 7823544 7866768 8068437 8113014 8217963 8234172 8367268 8475506 8522332 8689086 8801487 8850114 8920353 9127468 9272016 9606534 9930384 10114416 10277904 10757916 10817352 10957284 10978896 11562642 11585448 11654409 11735316 11800152 11893804 12351258 12550902 12713259 12783498 12808712 13214448 13691202 14343888 14409801 14609712 15416856 15539212 15647088 16136874 16226028 16435926 16468344 16734536 16951012 17044664 17378172 17602974 17700228 17840706 18254936 18826353 19175247 19213068 20536803 20814157 21515832 21634704 21914568 23125284 23170896 23308818 23470632 23600304 23787608 24702516 25101804 25426518 25566996 25617424 26761059 27193621 27382404 28819602 29664271 30833712 31078424 32273748 32452056 32871852 32936688 33469072 33902024 34089328 34756344 34963227 35205948 35400456 35681412 36509872 37652706 38139777 38350494 38426136 38654863 41073606 41399587 41628314 43031664 43229403 43829136 46250568 46617636 46941264 47575216 49405032 50203608 50853036 51133992 53522118 54387242 54764808 55090789 56479059 57525741 57639204 59328542 61610409 62156848 62442471 64547496 64904112 65743704 67804048 69512688 69926454 70411896 70800912 71362824 75305412 76279554 76700988 76852272 77309726 80283177 81580863 82147212 82799174 83256628 86458806 88992813 92501136 93235272 98810064 100407216 101706072 102267984 104889681 107044236 108774484 109529616 110181578 112958118 114419331 115051482 115278408 115964589 118657084 123220818 124198761 124884942 129094992 131487408 139852908 140823792 142725648 150610824 152559108 153401976 154619452 160566354 163161726 164294424 165272367 165598348 166513256 172917612 177985626 186470544 187327413 203412144 209779362 214088472 217548968 220363156 225916236 228838662 230102964 230556816 231929178 237314168 244742589 246441636 248397522 249769884 266978439 270584041 279705816 289797109 301221648 305118216 306803952 309238904 321132708 326323452 328588848 330544734 331196696 333026512 345835224 347893767 355971252 372596283 374654826 385635523 419558724 428176944 435097936 440726312 451832472 457677324 460205928 463858356 474628336 489485178 492883272 495817101 496795044 499539768 533956878 538194631 541168082 559411632 561982239 579594218 610236432 618477808 642265416 652646904 661089468 662393392 691670448 695787534 711942504 734227767 745192566 749309652 771271046 800935317 811752123 839117448 869391327 881452624 903664944 915354648 920411856 927716712 978970356 985766544 991634202 993590088 999079536 1043681301 1067913756 1076389262 1082336164 1117788849 1123964478 1156906569 1159188436 1284530832 1305293808 1322178936 1391575068 1423885008 1468455534 1487451303 1490385132 1498619304 1542542092 1601870634 1614583893 1623504246 1678234896 1738782654 1830709296 1855433424 1957940712 1983268404 1987180176 2087362602 2135827512 2152778524 2164672328 2235577698 2247928956 2313813138 2318376872 2435256369 2608173981 2644357872 2783150136 2936911068 2974902606 2980770264 2997238608 3085084184 3203741268 3229167786 3247008492 3470719707 3477565308 3767362417 3915881424 3966536808 4174725204 4271655024 4305557048 4329344656 4471155396 4495857912 4627626276 4636753744 4843751679 4870512738 5216347962 5566300272 5873822136 5949805212 5961540528 6170168368 6407482536 6458335572 6494016984 6941439414 6955130616 6996530203 7305769107 7534724834 7824521943 7933073616 8349450408 8611114096 8942310792 8991715824 9255252552 9687503358 9741025476 10412159121 10432695924 11302087251 11747644272 11899610424 12814965072 12916671144 12988033968 13882878828 13910261232 13993060406 14531255037 14611538214 15069449668 15649043886 16698900816 17884621584 18510505104 19375006716 19482050952 20824318242 20865391848 20989590609 22604174502 23799220848 25833342288 27765757656 27986120812 29062510074 29223076428 30138899336 31298087772 33906261753 38750013432 38964101904 41648636484 41730783696 41979181218 45208349004 48975711421 55531515312 55972241624 58125020148 58446152856 60277798672 62596175544 62968771827 67812523506 77500026864 83297272968 83958362436 90416698008 97951422842 101718785259 111944483248 116250040296 116892305712 125192351088 125937543654 135625047012 146927134263 166594545936 167916724872 180833396016 188906315481 195902845684 203437570518 232500080592 251875087308 271250094024 293854268526 335833449744 377812630962 391805691368 406875141036 440781402789 503750174616 542500188048 587708537052 755625261924 783611382736 813750282072 881562805578 1007500349232 1175417074104 1322344208367 1511250523848 1627500564144 1763125611156 2350834148208 2644688416734 3022501047696 3526251222312 5289376833468 7052502444624 10578753666936 21157507333872
• Sum of all divisors σ(n): 76207709061120
• Sum of proper divisors (its aliquot sum) s(n): 55050201727248
• 21157507333872 is an abundant number, because the sum of its proper divisors (55050201727248) is greater than itself. Its abundance is 33892694393376

Bases of 21157507333872

• Binary: 100110011111000011101101101010111111011110000₂
• Hexadecimal: 0x133E1DB57EF0
• Base-36: 7HZMHLGC0

Squares and roots of 21157507333872

• 21157507333872 squared (21157507333872²) is 447640116582847465678512384
• 21157507333872 cubed (21157507333872³) is 9470949049536912338773834575082974670848
• The square root of 21157507333872 is 4599729.0500497961
• The cube root of 21157507333872 is 27658.0463460797

Scales and comparisons

• 21,157,507,333,872 seconds is equal to 672,743 years, 15 weeks, 2 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,157,507,333,872 would take you about one million, six hundred eighty-one thousand, eight hundred fifty-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 21157507333872 cubic inches would be around 2304.8 feet tall.

Recreational maths with 21157507333872

• 21157507333872 backwards is 27833370575112
• 21157507333872 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21157507333872's digits is 54
• More coming soon!