21223387702440

Names of 21223387702440

• Cardinal: 21223387702440 can be written as Twenty-one trillion, two hundred twenty-three billion, three hundred eighty-seven million, seven hundred two thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.122338770244 × 10¹³

Factors of 21223387702440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5911

Divisors of 21223387702440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 28 30 33 35 36 40 42 44 45 55 56 60 63 66 70 72 77 84 88 90 99 105 110 120 126 132 140 151 154 165 168 180 198 210 220 231 252 264 280 302 308 315 330 360 385 396 420 440 453 462 495 504 604 616 630 660 693 755 770 792 840 906 924 990 1057 1093 1155 1208 1260 1320 1359 1386 1510 1540 1661 1812 1848 1980 2114 2186 2265 2310 2520 2718 2772 3020 3080 3171 3279 3322 3465 3624 3960 4228 4372 4530 4620 4639 4983 5285 5436 5465 5544 6040 6342 6558 6644 6795 6930 7651 8305 8456 8744 9060 9240 9278 9513 9837 9966 10570 10872 10930 11627 12023 12684 13116 13288 13590 13860 13917 14949 15302 15855 16395 16610 18120 18556 19026 19674 19932 21140 21860 22953 23195 23254 24046 24915 25368 26232 27180 27720 27834 29898 30604 31710 32473 32790 33220 34881 36069 37112 38052 38255 39348 39864 41751 42280 43720 45906 46390 46508 47565 48092 49185 49830 51029 54360 55668 58135 59796 60115 61208 63420 64946 65580 66440 68859 69585 69762 72138 74745 76104 76510 78696 83502 84161 91812 92780 93016 95130 96184 97419 98370 99660 102058 104643 108207 111336 114765 116270 119592 120230 126840 129892 131160 137718 139170 139524 144276 149490 153020 153087 162365 165043 167004 168322 174405 180345 183624 185560 190260 194838 196740 199320 204116 208755 209286 216414 229530 232540 240460 252483 255145 259784 275436 278340 279048 288552 292257 298980 306040 306174 324730 330086 334008 336644 344295 348810 357203 360690 380520 389676 393480 408232 417510 418572 420805 432828 459060 459261 465080 480920 487095 495129 504966 510290 523215 541035 550872 556680 584514 597960 612348 649460 660172 673288 688590 697620 700489 714406 721380 757449 765435 779352 825215 835020 837144 841610 865656 918120 918522 974190 990258 1009932 1020580 1046430 1071609 1082070 1155301 1169028 1224696 1262415 1298920 1320344 1377180 1395240 1400978 1428812 1442760 1461285 1485387 1514898 1530870 1650430 1670040 1683220 1786015 1815473 1837044 1948380 1980516 2019864 2041160 2092860 2101467 2143218 2164140 2296305 2310602 2338056 2475645 2524830 2754360 2801956 2857624 2922570 2970774 3029796 3061740 3214827 3300860 3366440 3465903 3502445 3572030 3630946 3674088 3787245 3896760 3961032 4185720 4202934 4286436 4328280 4592610 4621204 4903423 4951290 5049660 5070427 5358045 5446419 5603912 5776505 5845140 5941548 6059592 6123480 6304401 6429654 6601720 6931806 7004890 7144060 7261892 7426935 7574490 7705379 8405868 8572872 9077365 9185220 9242408 9806846 9902580 10099320 10140854 10397709 10507335 10716090 10892838 11553010 11690280 11883096 12608802 12708311 12859308 13863612 14009780 14288120 14523784 14710269 14853870 15148980 15211281 15410758 16074135 16339257 16811736 17329515 18154730 18370440 19613692 19805160 20281708 20795418 21014670 21432180 21785676 23106020 23116137 24517115 25217604 25352135 25416622 25718616 27232095 27727224 28019560 29420538 29707740 30297960 30422562 30821516 31522005 32148270 32678514 34659030 35492989 36309460 38124933 38526895 39227384 40563416 41590836 42029340 42864360 43571352 44130807 45633843 46212040 46232274 49034230 50435208 50704270 50833244 51988545 53937653 54464190 55774697 58841076 59415480 60845124 61643032 63044010 63541555 64296540 65357028 69318060 69348411 70985978 72618920 73551345 76056405 76249866 77053790 81696285 83181672 84058680 88261614 91267686 92464548 98068460 101408540 101666488 103977090 106478967 107875306 108928380 111549394 114374799 115580685 117682152 121690248 126088020 127083110 128593080 130714056 138636120 138696822 141971956 147102690 152112810 152499732 154107580 161812959 163392570 167324091 176523228 177464945 182535372 184929096 190624665 196136920 202817080 207954180 212957934 215750612 217856760 220654035 223098788 228169215 228749598 231161370 252176040 254166220 269688265 277393644 278873485 283943912 294205380 304225620 304999464 308215160 319436901 323625918 326785140 334648182 346742055 353046456 354929890 365070744 381249330 390422879 415908360 425915868 431501224 441308070 446197576 456338430 457499196 462322740 485438877 501972273 508332440 532394835 539376530 554787288 557746970 571873995 588410760 608451240 638873802 647251836 653570280 669296364 693484110 709859780 762498660 765634477 780845758 809064795 836620455 851831736 882616140 912676860 914998392 924645480 970877754 1003944546 1064789670 1078753060 1115493940 1143747990 1171268637 1277747604 1294503672 1338592728 1386968220 1419719560 1524997320 1531268954 1561691516 1597184505 1618129590 1673240910 1765232280 1825353720 1941755508 1952114395 2007889092 2129579340 2157506120 2230987880 2287495980 2296903431 2342537274 2427194385 2509861365 2555495208 2773936440 3062537908 3123383032 3194369010 3236259180 3346481820 3513805911 3828172385 3883511016 3904228790 4015778184 4259158680 4574991960 4593806862 4685074548 4854388770 5019722730 5359441339 5856343185 6125075816 6388738020 6472518360 6692963640 6890710293 7027611822 7656344770 7808457580 8421979247 9187613724 9370149096 9708777540 10039445460 10718882678 11484517155 11712686370 12777476040 13781420586 14055223644 15312689540 15616915160 16078324017 16843958494 17569029555 18375227448 19417555080 20078890920 21437765356 22969034310 23425372740 25265937741 26797206695 27562841172 28110447288 30625379080 32156648034 33687916988 34453551465 35138059110 42109896235 42875530712 45938068620 46850745480 48234972051 50531875482 53594413390 55125682344 58953854729 64313296068 67375833976 68907102930 70276118220 75797813223 80391620085 84219792470 91876137240 96469944102 101063750964 107188826780 117907709458 126329688705 128626592136 137814205860 140552236440 151595626446 160783240170 168439584940 176861564187 192939888204 202127501928 214377653560 235815418916 241174860255 252659377410 275628411720 294769273645 303191252892 321566480340 336879169880 353723128374 378989066115 385879776408 471630837832 482349720510 505318754820 530584692561 589538547290 606382505784 643132960680 707446256748 757978132230 884307820935 964699441020 1010637509640 1061169385122 1179077094580 1414892513496 1515956264460 1768615641870 1929398882040 2122338770244 2358154189160 2652923462805 3031912528920 3537231283740 4244677540488 5305846925610 7074462567480 10611693851220 21223387702440
• Sum of all divisors σ(n): 86663452262400
• Sum of proper divisors (its aliquot sum) s(n): 65440064559960
• 21223387702440 is an abundant number, because the sum of its proper divisors (65440064559960) is greater than itself. Its abundance is 44216676857520

Bases of 21223387702440

• Binary: 100110100110101110100011111000010010010101000₂
• Hexadecimal: 0x134D747C24A8
• Base-36: 7ITW12E20

Squares and roots of 21223387702440

• 21223387702440 squared (21223387702440²) is 450432185568081421981953600
• 21223387702440 cubed (21223387702440³) is 9559696907968791296676422325846686784000
• The square root of 21223387702440 is 4606884.8154083471
• The cube root of 21223387702440 is 27686.7238627383

Scales and comparisons

• 21,223,387,702,440 seconds is equal to 674,838 years, 4 weeks, 1 day, 8 hours, 54 minutes.
• To count from 1 to 21,223,387,702,440 would take you about one million, six hundred eighty-seven thousand and ninety-five 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 21223387702440 cubic inches would be around 2307.2 feet tall.

Recreational maths with 21223387702440

• 21223387702440 backwards is 04420778332212
• 21223387702440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21223387702440's digits is 45
• More coming soon!