21440654465040

Names of 21440654465040

• Cardinal: 21440654465040 can be written as Twenty-one trillion, four hundred forty billion, six hundred fifty-four million, four hundred sixty-five thousand and forty.

Scientific notation

• Scientific notation: 2.144065446504 × 10¹³

Factors of 21440654465040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5029

Divisors of 21440654465040

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 36 38 40 43 45 48 54 57 60 72 76 80 81 86 90 95 108 114 120 129 135 144 152 162 171 172 180 190 215 216 228 240 258 270 285 304 324 342 344 360 361 380 387 405 430 432 456 513 516 540 570 645 648 684 688 720 722 760 774 810 817 855 860 912 1026 1032 1080 1083 1140 1161 1290 1296 1368 1444 1520 1539 1548 1620 1634 1710 1720 1805 1849 1935 2052 2064 2160 2166 2280 2322 2451 2565 2580 2736 2888 3078 3096 3240 3249 3268 3420 3440 3483 3610 3698 3870 4085 4104 4332 4560 4644 4902 4957 5130 5160 5415 5547 5776 5805 6156 6192 6480 6498 6536 6840 6966 7220 7353 7396 7695 7740 8170 8208 8664 9245 9288 9747 9804 9914 10260 10320 10830 11094 11610 12255 12312 12996 13072 13680 13932 14440 14706 14792 14871 15390 15480 15523 16245 16340 16641 17328 17415 18490 18576 19494 19608 19828 20520 21660 22059 22188 23220 24510 24624 24785 25992 27735 27864 28880 29241 29412 29584 29742 30780 30960 31046 32490 32680 33282 34830 35131 36765 36980 38988 39216 39656 41040 43320 44118 44376 44613 46440 46569 48735 49020 49570 49923 51984 55470 55728 58482 58824 59484 61560 62092 64980 65360 66177 66564 69660 70262 73530 73960 74355 77615 77976 79312 83205 86640 88236 88752 89226 92880 93138 94183 97470 98040 99140 99846 105393 110295 110940 116964 117648 118968 123120 124184 129960 132354 133128 133839 139320 139707 140524 146205 147060 147920 148710 149769 155230 155952 166410 175655 176472 178452 186276 188366 194940 196080 198280 199692 210786 213151 220590 221880 223065 232845 233928 237936 248368 249615 259920 264708 266256 267678 278640 279414 281048 282549 292410 294120 297420 299538 310460 316179 330885 332820 351310 352944 356904 372552 376732 389880 396560 399384 401517 419121 421572 426302 441180 443760 446130 465690 467856 470915 499230 526965 529416 535356 558828 562096 565098 584820 588240 594840 599076 620920 632358 639453 661770 665640 667489 669195 698535 702620 713808 745104 748845 753464 779760 798768 803034 838242 843144 847647 852604 882360 892260 931380 941830 948537 998460 1053930 1058832 1065755 1070712 1117656 1130196 1169640 1189680 1198152 1241840 1257363 1264716 1278906 1323540 1331280 1334978 1338390 1397070 1405240 1412745 1497690 1506928 1580895 1606068 1676484 1686288 1695294 1705208 1764720 1784520 1789477 1862760 1883660 1897074 1918359 1996920 2002467 2007585 2095605 2107860 2131510 2141424 2235312 2260392 2339280 2396304 2514726 2529432 2542941 2557812 2647080 2669956 2676780 2794140 2810480 2825490 2845611 2995380 3161790 3197265 3212136 3337445 3352968 3390588 3410416 3569040 3578954 3725520 3767320 3794148 3836718 3993840 4004934 4015170 4049869 4191210 4215720 4238235 4263020 4520784 4742685 5029452 5058864 5085882 5115624 5294160 5339912 5353560 5368431 5588280 5650980 5691222 5755077 5990760 6007401 6286815 6323580 6394530 6424272 6674890 6705936 6781176 7157908 7534640 7588296 7628823 7673436 8009868 8030340 8099738 8382420 8431440 8476470 8526040 8947385 9165493 9485370 9591795 10012335 10058904 10171764 10231248 10679824 10707120 10736862 11176560 11301960 11382444 11510154 11981520 12014802 12149607 12573630 12647160 12714705 12789060 13349780 13562352 14228055 14315816 15176592 15257646 15346872 16019736 16060680 16105293 16199476 16764840 16952940 17052080 17265231 17894770 18022203 18330986 18970740 19183590 20024670 20117808 20249345 20343528 21473724 22603920 22764888 23020308 24029604 24299214 25147260 25294320 25429410 25578120 26699560 26842155 27496479 28456110 28631632 28775385 30037005 30515292 30693744 32039472 32121360 32210586 32398952 33529680 33905880 34530462 35789540 36044406 36448821 36661972 37941480 38144115 38367180 40049340 40498690 40687056 42947448 45529776 45827465 46040616 48059208 48315879 48598428 50294520 50858820 51156240 53399120 53684310 54066609 54992958 56912220 57550770 60074010 60748035 61030584 64421172 64797904 67811760 69060924 71579080 72088812 72897642 73323944 75882960 76288230 76734360 76947511 80098680 80526465 80997380 82489437 85894896 86326155 90111015 91654930 92081232 96118416 96631758 97196856 100589040 101717640 107368620 108133218 109346463 109985916 113824440 115101540 120148020 121496070 122061168 128842344 137482395 138121848 143158160 144177624 144947637 145795284 146647888 152576460 153468720 153895022 160197360 161052930 161994760 164978874 172652310 174144367 180222030 182244105 183309860 193263516 194393712 203435280 214737240 216266436 218692926 219971832 227648880 230203080 230842533 240296040 241579395 242992140 247468311 257684688 270333045 274964790 276243696 288355248 289895274 291590568 305152920 307790044 322105860 323989520 328039389 329957748 345304620 348288734 360444060 364488210 366619720 384737555 386527032 412447185 429474480 432532872 437385852 439943664 460406160 461685066 480592080 483158790 485984280 494936622 522433101 540666090 546732315 549929580 579790548 583181136 610305840 615580088 644211720 656078778 659915496 690609240 692527599 696577468 720888120 724738185 728976420 733239440 742404933 769475110 773054064 824894370 865065744 870721835 874771704 923370132 966317580 971968560 989873244 1044866202 1081332180 1093464630 1099859160 1154212665 1159581096 1231160176 1237341555 1288423440 1312157556 1319830992 1381218480 1385055198 1393154936 1441776240 1449476370 1457952840 1484809866 1538950220 1567299303 1640196945 1649788740 1741443670 1749543408 1846740264 1932635160 1979746488 2077582797 2089732404 2162664360 2186929260 2199718320 2308425330 2319162192 2474683110 2612165505 2624315112 2770110396 2786309872 2898952740 2915905680 2969619732 3077900440 3134598606 3280393890 3299577480 3308742973 3462637995 3482887340 3693480528 3712024665 3865270320 3959492976 4155165594 4179464808 4325328720 4373858520 4616850660 4701897909 4949366220 5224331010 5248630224 5540220792 5797905480 5939239464 6155800880 6232748391 6269197212 6560787780 6599154960 6617485946 6925275990 6965774680 7424049330 7836496515 8310331188 8358929616 8747717040 9233701320 9403795818 9898732440 9926228919 10387913985 10448662020 11080441584 11595810960 11878478928 12465496782 12538394424 13121575560 13234971892 13850551980 13931549360 14105693727 14848098660 15672993030 16543714865 16620662376 18467402640 18807591636 19797464880 19852457838 20775827970 20897324040 23509489545 24930993564 25076788848 26243151120 26469943784 27701103960 28211387454 29696197320 29778686757 31163741955 31345986060 33087429730 33241324752 37615183272 39704915676 41551655940 41794648080 47018979090 49631144595 49861987128 52939887568 55402207920 56422774908 59392394640 59557373514 62327483910 62691972120 66174859460 70528468635 75230366544 79409831352 83103311880 89336060271 94037958180 99262289190 99723974256 112845549816 119114747028 124654967820 125383944240 132349718920 141056937270 148893433785 158819662704 166206623760 178672120542 188075916360 198524578380 225691099632 238229494056 249309935640 264699437840 268008180813 282113874540 297786867570 357344241084 376151832720 397049156760 446680301355 476458988112 498619871280 536016361626 564227749080 595573735140 714688482168 794098313520 893360602710 1072032723252 1128455498160 1191147470280 1340040904065 1429376964336 1786721205420 2144065446504 2382294940560 2680081808130 3573442410840 4288130893008 5360163616260 7146884821680 10720327232520 21440654465040
• Sum of all divisors σ(n): 80478602554284
• Sum of proper divisors (its aliquot sum) s(n): 59037948089244
• 21440654465040 is an abundant number, because the sum of its proper divisors (59037948089244) is greater than itself. Its abundance is 37597293624204

Bases of 21440654465040

• Binary: 100111000000000001010100101111101100000010000₂
• Hexadecimal: 0x13800A97D810
• Base-36: 7LLP83500

Squares and roots of 21440654465040

• 21440654465040 squared (21440654465040²) is 459701663889239688582201600
• 21440654465040 cubed (21440654465040³) is 9856304532453144261010759842113432064000
• The square root of 21440654465040 is 4630405.4320372423
• The cube root of 21440654465040 is 27780.8809007455

Scales and comparisons

• 21,440,654,465,040 seconds is equal to 681,746 years, 25 weeks, 3 days, 23 hours, 24 minutes.
• To count from 1 to 21,440,654,465,040 would take you about one million, seven hundred four thousand, three hundred sixty-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 21440654465040 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21440654465040

• 21440654465040 backwards is 04056445604412
• 21440654465040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21440654465040's digits is 45
• More coming soon!