21391868887200

Names of 21391868887200

• Cardinal: 21391868887200 can be written as Twenty-one trillion, three hundred ninety-one billion, eight hundred sixty-eight million, eight hundred eighty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.13918688872 × 10¹³

Factors of 21391868887200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1075

Divisors of 21391868887200

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 28 30 32 35 36 40 42 45 48 49 50 56 60 61 63 70 72 75 80 84 90 96 98 100 105 112 120 122 126 140 144 147 150 160 168 175 180 183 196 200 210 224 225 240 244 245 252 280 288 294 300 305 315 336 350 360 366 392 400 420 427 441 450 480 488 490 504 525 549 560 588 600 610 630 672 700 720 732 735 784 800 840 854 882 900 915 976 980 997 1008 1050 1098 1120 1176 1200 1220 1225 1260 1281 1400 1440 1464 1470 1525 1568 1575 1680 1708 1764 1800 1830 1952 1960 1994 2016 2100 2135 2196 2205 2352 2400 2440 2450 2520 2562 2745 2800 2928 2940 2989 2991 3050 3150 3360 3416 3528 3600 3660 3675 3843 3920 3988 4200 4270 4392 4410 4575 4704 4880 4900 4985 5040 5124 5490 5600 5856 5880 5978 5982 6100 6300 6405 6832 6979 7056 7200 7320 7350 7686 7840 7976 8400 8540 8784 8820 8967 8973 9150 9760 9800 9970 10080 10248 10675 10980 11025 11760 11956 11964 12200 12600 12810 13664 13725 13958 14112 14640 14700 14945 14955 15372 15952 16800 17080 17568 17640 17934 17946 18300 19215 19600 19940 20496 20937 21350 21960 22050 23520 23912 23928 24400 24925 25200 25620 26901 27450 27916 29280 29400 29890 29910 30744 31904 32025 34160 34895 35280 35868 35892 36600 38430 39200 39880 40992 41874 42700 43920 44100 44835 44865 47824 47856 48800 48853 49850 50400 51240 53802 54900 55832 58800 59780 59820 60817 61488 62811 64050 68320 69790 70560 71736 71784 73200 74725 74775 76860 79760 83748 85400 87840 88200 89670 89730 95648 95712 96075 97706 99700 102480 104685 107604 109800 111664 117600 119560 119640 121634 122976 125622 128100 134505 139580 143472 143568 146400 146559 149450 149550 153720 159520 167496 170800 174475 176400 179340 179460 182451 192150 195412 199400 204960 209370 215208 219600 223328 224175 224325 239120 239280 243268 244265 251244 256200 269010 279160 286944 287136 293118 298900 299100 304085 307440 314055 334992 341600 348950 352800 358680 358920 364902 384300 390824 398800 418740 425719 430416 439200 439677 448350 448650 478240 478560 486536 488530 502488 512400 523425 538020 547353 558320 586236 597800 598200 608170 614880 628110 669984 672525 697900 717360 717840 729804 732795 768600 781648 797600 837480 851438 860832 879354 896700 897300 912255 973072 977060 994009 1004976 1024800 1046850 1076040 1094706 1116640 1172472 1195600 1196400 1216340 1221325 1256220 1277157 1345050 1395800 1434720 1435680 1459608 1465590 1520425 1537200 1563296 1570275 1674960 1702876 1758708 1793400 1794600 1824510 1946144 1954120 1988018 2009952 2093700 2128595 2152080 2189412 2198385 2344944 2391200 2392800 2432680 2442650 2512440 2554314 2690100 2736765 2791600 2919216 2931180 2980033 2982027 3040850 3074400 3140550 3349920 3405752 3517416 3586800 3589200 3649020 3663975 3831471 3908240 3976036 4187400 4257190 4304160 4378824 4396770 4561275 4689888 4865360 4885300 4970045 5024880 5108628 5380200 5473530 5583200 5838432 5862360 5960066 5964054 6081700 6281100 6385785 6811504 6958063 7034832 7173600 7178400 7298040 7327950 7662942 7816480 7952072 8374800 8514380 8757648 8793540 8940099 8946081 9122550 9730720 9770600 9940090 10049760 10217256 10642975 10760400 10947060 10991925 11724720 11920132 11928108 12163400 12562200 12771570 13623008 13683825 13916126 14069664 14596080 14655900 14900165 14910135 15325884 15904144 16749600 17028760 17515296 17587080 17880198 17892162 18245100 19157355 19541200 19880180 20434512 20874189 21285950 21520800 21894120 21983850 23449440 23840264 23856216 24326800 24850225 25124400 25543140 26820297 27367650 27832252 29192160 29311800 29800330 29820270 30651768 31808288 31928925 34057520 34790315 35174160 35760396 35784324 36490200 38314710 39082400 39760360 40869024 41748378 42571900 43788240 43967700 44700495 44730405 47680528 47712432 48653600 48706441 49700450 50248800 51086280 53640594 54735300 55664504 58623600 59600660 59640540 60634549 61303536 62622567 63857850 68115040 69580630 70348320 71520792 71568648 72980400 74500825 74550675 76629420 79520720 83496756 85143800 87576480 87935400 89400990 89460810 95361056 95424864 95786775 97412882 99400900 102172560 104370945 107281188 109470600 111329008 117247200 119201320 119281080 121269098 122607072 125245134 127715700 134101485 139161260 143041584 143137296 145960800 146119323 149001650 149101350 153258840 159041440 166993512 170287600 173951575 175870800 178801980 178921620 181903647 191573550 194825764 198801800 204345120 208741890 214562376 218941200 222658016 223502475 223652025 238402640 238562160 242538196 243532205 250490268 255431400 268202970 278322520 286083168 286274592 292238646 298003300 298202700 303172745 306517680 313112835 333987024 340575200 347903150 351741600 357603960 357843240 363807294 383147100 389651528 397603600 417483780 424441843 429124752 437882400 438357969 447004950 447304050 476805280 477124320 485076392 487064410 500980536 510862800 521854725 536405940 545710941 556645040 584477292 596006600 596405400 606345490 613035360 626225670 667974048 670507425 695806300 715207920 715686480 727614588 730596615 766294200 779303056 795207200 834967560 848883686 858249504 876715938 894009900 894608100 909518235 970152784 974128820 1001961072 1021725600 1043709450 1072811880 1091421882 1113290080 1168954584 1192013200 1192810800 1212690980 1217661025 1252451340 1273325529 1341014850 1391612600 1430415840 1431372960 1455229176 1461193230 1515863725 1532588400 1558606112 1565564175 1669935120 1697767372 1753431876 1788019800 1789216200 1819036470 1940305568 1948257640 2003922144 2087418900 2122209215 2145623760 2182843764 2191789845 2337909168 2384026400 2385621600 2425381960 2435322050 2504902680 2546651058 2682029700 2728554705 2783225200 2910458352 2922386460 2971092901 3031727450 3065176800 3131128350 3339870240 3395534744 3506863752 3576039600 3578432400 3638072940 3652983075 3819976587 3896515280 4174837800 4244418430 4291247520 4365687528 4383579690 4547591175 4675818336 4850763920 4870644100 5009805360 5093302116 5364059400 5457109410 5566450400 5820916704 5844772920 5942185802 6063454900 6262256700 6366627645 6791069488 7013727504 7152079200 7156864800 7276145880 7305966150 7639953174 7793030560 8349675600 8488836860 8731375056 8767159380 8913278703 9095182350 9701527840 9741288200 10019610720 10186604232 10611046075 10728118800 10914218820 10958949225 11689545840 11884371604 12126909800 12524513400 12733255290 13582138976 13642773525 14027455008 14552291760 14611932300 14855464505 15279906348 16699351200 16977673720 17462750112 17534318760 17826557406 18190364700 19099882935 19482576400 20373208464 21222092150 21456237600 21828437640 21917898450 23379091680 23768743208 24253819600 25049026800 25466510580 26739836109 27285547050 29104583520 29223864600 29710929010 30559812696 31833138225 33955347440 35068637520 35653114812 36380729400 38199765870 38965152800 40746416928 42444184300 43656875280 43835796900 44566393515 47537486416 48507639200 50098053600 50933021160 53479672218 54571094100 58447729200 59421858020 61119625392 63666276450 67910694880 70137275040 71306229624 72761458800 74277322525 76399531740 84888368600 87313750560 87671593800 89132787030 95074972832 95499414675 101866042320 106959344436 109142188200 116895458400 118843716040 122239250784 127332552900 133699180545 142612459248 145522917600 148554645050 152799063480 169776737200 175343187600 178265574060 190998829350 203732084640 213918688872 218284376400 222831967575 237687432080 254665105800 267398361090 285224918496 297109290100 305598126960 339553474400 350686375200 356531148120 381997658700 427837377744 436568752800 445663935150 475374864160 509330211600 534796722180 594218580200 611196253920 668495902725 713062296240 763995317400 855674755488 891327870300 1018660423200 1069593444360 1188437160400 1336991805450 1426124592480 1527990634800 1782655740600 2139186888720 2376874320800 2673983610900 3055981269600 3565311481200 4278373777440 5347967221800 7130622962400 10695934443600 21391868887200
• Sum of all divisors σ(n): 89276730443082
• Sum of proper divisors (its aliquot sum) s(n): 67884861555882
• 21391868887200 is an abundant number, because the sum of its proper divisors (67884861555882) is greater than itself. Its abundance is 46492992668682

Bases of 21391868887200

• Binary: 100110111010010101110101111110000000010100000₂
• Hexadecimal: 0x1374AEBF00A0
• Base-36: 7KZAEEW80

Squares and roots of 21391868887200

• 21391868887200 squared (21391868887200²) is 457612054487155366323840000
• 21391868887200 cubed (21391868887200³) is 9789177070791450032895471535630848000000
• The square root of 21391868887200 is 4625134.4723369935
• The cube root of 21391868887200 is 27759.7942376237

Scales and comparisons

• 21,391,868,887,200 seconds is equal to 680,195 years, 13 weeks, 4 days, 2 hours.
• To count from 1 to 21,391,868,887,200 would take you about one million, seven hundred thousand, four hundred eighty-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 21391868887200 cubic inches would be around 2313.3 feet tall.

Recreational maths with 21391868887200

• 21391868887200 backwards is 00278886819312
• 21391868887200 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21391868887200's digits is 63
• More coming soon!