21349356916426720

Names of 21349356916426720

• Cardinal: 21349356916426720 can be written as Twenty-one quadrillion, three hundred forty-nine trillion, three hundred fifty-six billion, nine hundred sixteen million, four hundred twenty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.134935691642672 × 10¹⁶

Factors of 21349356916426720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 591

Divisors of 21349356916426720

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 59 73 80 86 118 146 160 172 215 236 292 295 344 365 409 430 472 584 590 688 730 818 860 944 1168 1180 1376 1460 1636 1720 1888 2045 2336 2360 2537 2920 3139 3272 3440 3481 4090 4307 4720 5074 5329 5840 6278 6544 6880 6962 8180 8614 9440 10148 10658 11680 12556 12685 13088 13924 15695 16360 17228 17405 17587 20296 21316 21535 24131 25112 25370 26645 27848 29857 31390 32720 34456 34810 35174 40592 42632 43070 48262 50224 50740 53290 55696 59714 62780 65440 68912 69620 70348 81184 85264 86140 87935 96524 100448 101480 106580 111392 119428 120655 125560 137824 139240 140696 149285 149683 167281 170528 172280 175870 185201 193048 202960 213160 229147 238856 241310 251120 254113 278480 281392 298570 299366 314411 334562 344560 351740 370402 386096 405920 426320 458294 477712 482620 502240 508226 556960 562784 597140 598732 628822 669124 689120 703480 740804 748415 772192 836405 852640 916588 926005 955424 965240 1016452 1037633 1145735 1194280 1197464 1257644 1270565 1283851 1338248 1406960 1423729 1481608 1496830 1572055 1672810 1761563 1833176 1852010 1930480 2032904 2075266 2179561 2291470 2388560 2394928 2515288 2541130 2567702 2676496 2813920 2847458 2963216 2993660 3144110 3345620 3523126 3666352 3704020 3860960 4065808 4150532 4359122 4582940 4777120 4789856 5030576 5082260 5135404 5188165 5352992 5694916 5926432 5987320 6288220 6419255 6691240 7046252 7118645 7193083 7332704 7408040 8131616 8301064 8718244 8807815 9165880 9869579 10061152 10164520 10270808 10376330 10897805 10926859 11389832 11974640 12211513 12576440 12838510 13382480 13519673 14092504 14237290 14386166 14816080 16602128 17436488 17615630 18331760 18550249 19739158 20329040 20541616 20752660 21795610 21853718 22779664 23949280 24423026 25152880 25677020 26764960 27039346 28185008 28474580 28772332 29632160 33204256 34872976 35231260 35965415 36663520 37100498 39478316 40658080 41083232 41505320 43591220 43707436 45559328 48846052 49347895 50305760 51354040 54078692 54634295 56370016 56949160 57544664 61057565 61220347 67598365 69745952 70462520 71930830 74200996 75747209 78956632 83010640 87182440 87414872 92751245 93721123 97692104 98695790 102708080 103932217 108157384 109268590 113898320 115089328 122115130 122440694 128594099 135196730 140925040 143861660 148401992 151494418 157913264 166021280 174364880 174829744 185502490 187442246 195384208 197391580 205416160 207864434 216314768 218537180 227796640 230178656 244230260 244881388 257188198 270393460 281850080 287723320 296803984 302988836 306101735 315826528 348729760 349659488 371004980 374884492 378736045 390768416 394783160 415728868 424391897 432629536 437074360 468605615 488460520 489762776 514376396 519661085 525095059 540786920 575446640 582305161 593607968 605977672 612203470 642970495 720479267 742009960 749768984 757472090 789566320 797660707 831457736 848783794 874148720 891440449 937211230 976921040 979525552 1028752792 1039322170 1050190118 1081573840 1150893280 1164610322 1211955344 1224406940 1285940990 1440958534 1484019920 1499537968 1514944180 1579132640 1595321414 1662915472 1697567588 1748297440 1782880898 1874422460 1953842080 1959051104 2057505584 2078644340 2100380236 2121959485 2163147680 2329220644 2423910688 2448813880 2571881980 2625475295 2881917068 2911525805 2968039840 2999075936 3029888360 3190642828 3325830944 3395135176 3565761796 3602396335 3748844920 3988303535 4115011168 4157288680 4200760472 4243918970 4457202245 4469085331 4658441288 4897627760 5143763960 5250950590 5529546257 5763834136 5823051610 6059776720 6381285656 6790270352 7131523592 7204792670 7497689840 7587051841 7976607070 8314577360 8401520944 8487837940 8914404490 8938170662 9316882576 9795255520 10287527920 10501901180 11059092514 11527668272 11646103220 12119553440 12762571312 13580540704 14263047184 14409585340 14995379680 15174103682 15953214140 16629154720 16803041888 16975675880 17828808980 17876341324 18633765152 20575055840 21003802360 22118185028 22345426655 23055336544 23292206440 25039121923 25525142624 27647731285 28526094368 28819170680 30348207364 30980608481 31906428280 33951351760 35657617960 35752682648 37935259205 38331939307 42007604720 42508276753 44236370056 44690853310 46584412880 50078243846 52594986491 55295462570 57638341360 60696414728 61961216962 63812856560 67902703520 71315235920 71505365296 75870518410 76663878614 84015209440 85016553506 88472740112 89381706620 93168825760 100156487692 105189972982 110590925140 115276682720 121392829456 123922433924 125195609615 127625713120 142630471840 143010730592 151741036820 153327757228 154903042405 170033107012 176945480224 178763413240 191659696535 200312975384 210379945964 212541383765 221181850280 242785658912 247844867848 250391219230 262974932455 303482073640 306655514456 309806084810 326243229163 340066214024 357526826480 383319393070 400625950768 420759891928 425082767530 442363700560 495689735696 500782438460 525949864910 606964147280 613311028912 619612169620 652486458326 680132428048 715053652960 766638786140 801251901536 841519783856 850165535060 884727401120 991379471392 1001564876920 1051899729820 1213928294560 1226622057824 1239224339240 1304972916652 1360264856096 1533277572280 1631216145815 1683039567712 1700331070120 1827855900379 2003129753840 2103799459640 2261584419113 2478448678480 2609945833304 3066555144560 3103104202969 3262432291630 3400662140240 3655711800758 4006259507680 4207598919280 4523168838226 4956897356960 5219891666608 6133110289120 6206208405938 6524864583260 6801324280480 7311423601516 8415197838560 9046337676452 9139279501895 10439783333216 11307922095565 12412416811876 13049729166520 14622847203032 15515521014845 18092675352904 18278559003790 22615844191130 24824833623752 26099458333040 29245694406064 31031042029690 36185350705808 36557118007580 45231688382260 49649667247504 52198916666080 58491388812128 62062084059380 72370701411616 73114236015160 90463376764520 99299334495008 124124168118760 133433480727667 146228472030320 180926753529040 248248336237520 266866961455334 292456944060640 361853507058080 496496672475040 533733922910668 667167403638335 1067467845821336 1334334807276670 2134935691642672 2668669614553340 4269871383285344 5337339229106680 10674678458213360 21349356916426720
• Sum of all divisors σ(n): 53359914521828376
• Sum of proper divisors (its aliquot sum) s(n): 32010557605401656
• 21349356916426720 is an abundant number, because the sum of its proper divisors (32010557605401656) is greater than itself. Its abundance is 10661200688974936

Bases of 21349356916426720

• Binary: 1001011110110010010000010000011001011111100011111100000₂
• Hexadecimal: 0x4BD920832FC7E0
• Base-36: 5U7PR63Z9WG

Squares and roots of 21349356916426720

• 21349356916426720 squared (21349356916426720²) is 455795040744977426222573129958400
• 21349356916426720 cubed (21349356916426720³) is 9730931005601782466575468174710830238310248448000
• The square root of 21349356916426720 is 146114191.3587681599
• The cube root of 21349356916426720 is 277413.9306872945

Scales and comparisons

• 21,349,356,916,426,720 seconds is equal to 678,843,512 years, 2 weeks, 2 days, 13 hours, 38 minutes, 40 seconds.
• To count from 1 to 21,349,356,916,426,720 would take you about two billion, thirty-six million, five hundred thirty thousand, five hundred thirty-six 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 21349356916426720 cubic inches would be around 23117.8 feet tall.

Recreational maths with 21349356916426720

• 21349356916426720 backwards is 02762461965394312
• The number of decimal digits it has is: 17
• The sum of 21349356916426720's digits is 70
• More coming soon!