21042513264640

Names of 21042513264640

• Cardinal: 21042513264640 can be written as Twenty-one trillion, forty-two billion, five hundred thirteen million, two hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.104251326464 × 10¹³

Factors of 21042513264640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 552

Divisors of 21042513264640

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 37 40 56 64 68 70 74 80 85 112 119 128 136 140 148 160 170 185 224 227 238 256 257 259 272 280 296 320 340 370 448 454 476 512 514 518 544 560 592 595 629 640 680 740 896 908 952 1024 1028 1036 1088 1120 1135 1184 1190 1258 1280 1285 1295 1360 1480 1589 1792 1799 1816 1904 2048 2056 2072 2176 2240 2270 2368 2380 2516 2560 2570 2590 2720 2960 3145 3178 3584 3598 3632 3808 3859 4096 4112 4144 4352 4369 4403 4480 4540 4736 4760 5032 5120 5140 5180 5440 5920 6290 6356 7168 7196 7264 7616 7718 7945 8192 8224 8288 8399 8704 8738 8806 8960 8995 9080 9472 9509 9520 10064 10240 10280 10360 10880 11840 12580 12712 14336 14392 14528 15232 15436 15890 16384 16448 16576 16798 17408 17476 17612 17920 17990 18160 18944 19018 19040 19295 20128 20480 20560 20720 21760 21845 22015 23680 25160 25424 27013 28672 28784 29056 30464 30583 30872 31780 32896 33152 33596 34816 34952 35224 35840 35980 36320 37888 38036 38080 38590 40256 40960 41120 41440 41995 43520 43690 44030 47360 47545 50320 50848 54026 57344 57568 58112 58339 58793 60928 61166 61744 63560 65792 66304 66563 67192 69632 69904 70448 71680 71960 72640 75776 76072 76160 77180 80512 81920 82240 82880 83990 87040 87380 88060 94720 95090 100640 101696 108052 114688 115136 116224 116678 117586 121856 122332 123488 127120 131584 132608 133126 134384 135065 139264 139808 140896 142783 143360 143920 145280 151552 152144 152320 152915 154360 161024 161653 164480 165760 167980 174080 174760 176120 189440 190180 201280 203392 216104 230272 232448 233356 235172 243712 244664 246976 254240 263168 265216 266252 268768 270130 278528 279616 281792 285566 286720 287840 290560 291695 293965 303104 304288 304640 305830 308720 322048 323306 328960 331520 332815 335960 348160 349520 352240 378880 380360 402560 406784 408373 432208 460544 464896 466712 470344 487424 489328 493952 508480 526336 530432 532504 537536 540260 559232 563584 571132 573440 575680 581120 583390 587930 606208 608576 609280 611660 617440 644096 646612 657920 663040 665630 671920 696320 699040 704480 713915 757760 760720 805120 808265 813568 816746 864416 921088 929792 933424 940688 974848 978656 987904 991763 999481 1016960 1052672 1060864 1065008 1075072 1080520 1118464 1127168 1131571 1142264 1151360 1162240 1166780 1175860 1217152 1218560 1223320 1234880 1288192 1293224 1315840 1326080 1331260 1343840 1392640 1398080 1408960 1427830 1515520 1521440 1610240 1616530 1627136 1633492 1728832 1842176 1859584 1866848 1881376 1949696 1957312 1975808 1983526 1998962 2033920 2041865 2105344 2121728 2130016 2150144 2158543 2161040 2236928 2254336 2263142 2284528 2302720 2324480 2333560 2351720 2434304 2437120 2446640 2469760 2576384 2586448 2631680 2652160 2662520 2687680 2796160 2817920 2855660 3031040 3042880 3220480 3233060 3254272 3266984 3457664 3684352 3719168 3733696 3762752 3914624 3951616 3967052 3997924 4067840 4083730 4210688 4243456 4260032 4300288 4317086 4322080 4473856 4508672 4526284 4569056 4605440 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1252679680 1269456640 1279335680 1284333085 1324261376 1363210240 1381467520 1448410880 1462097920 1467809240 1655326720 1672695808 1777239296 1934054528 2031130624 2046937088 2054932936 2090869760 2210348032 2212904960 2221549120 2317457408 2339356672 2348494784 2389565440 2408161280 2417568160 2505359360 2538913280 2558671360 2568666170 2648522752 2726420480 2762935040 2896821760 2924195840 2935618480 3310653440 3345391616 3554478592 3868109056 4062261248 4093874176 4109865872 4181739520 4420696064 4443098240 4634914816 4696989568 4779130880 4816322560 4835136320 5077826560 5117342720 5137332340 5452840960 5525870080 5793643520 5848391680 5871236960 6621306880 6690783232 7108957184 7736218112 8124522496 8187748352 8219731744 8363479040 8841392128 8886196480 9269829632 9393979136 9670272640 10155653120 10234685440 10274664680 11051740160 11587287040 11696783360 11742473920 13242613760 14217914368 15472436224 16249044992 16375496704 16439463488 16726958080 17682784256 17772392960 18539659264 18787958272 19340545280 20311306240 20469370880 20549329360 22103480320 23174574080 23484947840 28435828736 30944872448 32878926976 33453916160 35365568512 35544785920 37575916544 38681090560 40622612480 40938741760 41098658720 44206960640 46349148160 46969895680 56871657472 61889744896 65757853952 71089571840 75151833088 77362181120 81245224960 81877483520 82197317440 88413921280 92698296320 93939791360 113743314944 123779489792 131515707904 142179143680 150303666176 154724362240 164394634880 176827842560 187879582720 247558979584 263031415808 284358287360 300607332352 309448724480 328789269760 375759165440 526062831616 568716574720 601214664704 618897448960 657578539520 751518330880 1052125663232 1237794897920 1315157079040 1503036661760 2104251326464 2630314158080 3006073323520 4208502652928 5260628316160 10521256632320 21042513264640
• Sum of all divisors σ(n): 63283220614656
• Sum of proper divisors (its aliquot sum) s(n): 42240707350016
• 21042513264640 is an abundant number, because the sum of its proper divisors (42240707350016) is greater than itself. Its abundance is 21198194085376

Bases of 21042513264640

• Binary: 100110010001101010111100001110100000000000000₂
• Hexadecimal: 0x132357874000
• Base-36: 7GISP3GN4

Squares and roots of 21042513264640

• 21042513264640 squared (21042513264640²) is 442787364492550350674329600
• 21042513264640 cubed (21042513264640³) is 9317358990749477296527664176739385344000
• The square root of 21042513264640 is 4587211.9271557533
• The cube root of 21042513264640 is 27607.8468134997

Scales and comparisons

• 21,042,513,264,640 seconds is equal to 669,086 years, 43 weeks, 2 days, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,042,513,264,640 would take you about one million, six hundred seventy-two thousand, seven hundred seventeen 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 21042513264640 cubic inches would be around 2300.7 feet tall.

Recreational maths with 21042513264640

• 21042513264640 backwards is 04646231524012
• 21042513264640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21042513264640's digits is 40
• More coming soon!