21138694646850

Names of 21138694646850

• Cardinal: 21138694646850 can be written as Twenty-one trillion, one hundred thirty-eight billion, six hundred ninety-four million, six hundred forty-six thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 2.113869464685 × 10¹³

Factors of 21138694646850

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 641

Divisors of 21138694646850

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 19 22 25 27 30 33 38 45 50 54 55 57 66 75 81 90 95 99 110 114 135 150 162 165 171 190 198 209 225 243 270 275 285 297 330 342 361 405 418 450 475 486 495 513 550 570 594 601 627 675 722 729 810 825 855 891 950 990 1026 1045 1083 1202 1215 1254 1350 1425 1458 1485 1539 1650 1710 1782 1803 1805 1881 2025 2090 2166 2187 2430 2475 2565 2673 2850 2970 3005 3078 3135 3249 3606 3610 3645 3762 3971 4050 4275 4374 4455 4617 4950 5130 5225 5346 5409 5415 5643 6010 6075 6270 6498 6561 6611 7290 7425 7695 7942 8019 8550 8910 9015 9025 9234 9405 9747 10450 10818 10830 10935 11286 11419 11913 12150 12825 13122 13222 13365 13851 14850 15025 15390 15675 16038 16227 16245 16929 18030 18050 18225 18810 19494 19683 19833 19855 21870 22275 22838 23085 23826 24057 25650 26730 27045 27075 27702 28215 29241 30050 31350 32454 32490 32805 33055 33858 34257 35739 36450 38475 39366 39666 39710 40095 41553 44550 45075 46170 47025 48114 48681 48735 50787 54090 54150 54675 56430 57095 58482 59049 59499 59565 65610 66110 66825 68514 69255 71478 72171 76950 80190 81135 81225 83106 84645 87723 90150 94050 97362 97470 98415 99165 99275 101574 102771 107217 109350 114190 115425 118098 118998 119130 120285 124659 125609 133650 135225 138510 141075 144342 146043 146205 152361 162270 162450 164025 165275 169290 171285 175446 177147 178497 178695 196830 198330 198550 200475 205542 207765 214434 216513 216961 230850 240570 243405 243675 249318 251218 253935 263169 270450 282150 285475 292086 292410 295245 297495 297825 304722 308313 321651 328050 330550 342570 346275 354294 356994 357390 360855 373977 376827 400950 405675 415530 423225 433026 433922 438129 438615 457083 486810 487350 492075 495825 507870 513855 526338 535491 536085 570950 590490 594990 595650 601425 616626 623295 628045 643302 649539 650883 692550 721710 730215 731025 747954 753654 761805 789507 811350 846450 856425 876258 877230 885735 892485 893475 914166 924939 964953 984150 991650 1027710 1038825 1070982 1072170 1082565 1084805 1121931 1130481 1202850 1217025 1246590 1256090 1269675 1299078 1301766 1314387 1315845 1371249 1460430 1462050 1476225 1487475 1523610 1541565 1579014 1606473 1608255 1712850 1771470 1784970 1786950 1804275 1849878 1869885 1884135 1929906 1948617 1952649 2077650 2165130 2169610 2190645 2193075 2243862 2260962 2285415 2368521 2386571 2434050 2539350 2569275 2628774 2631690 2677455 2680425 2742498 2774817 2894859 2952450 2974950 3083130 3116475 3140225 3212946 3216510 3247695 3254415 3365793 3391443 3608550 3651075 3739770 3768270 3809025 3897234 3905298 3943161 3947535 4113747 4381290 4386150 4428675 4462425 4570830 4624695 4737042 4773142 4819419 4824765 5138550 5354910 5360850 5412825 5424025 5549634 5609655 5652405 5789718 5857947 6232950 6280450 6495390 6508830 6571935 6579225 6731586 6782886 6856245 7105563 7159713 7302150 7618050 7707825 7886322 7895070 8032365 8041275 8227494 8324451 8684577 8857350 8924850 9249390 9349425 9420675 9638838 9649530 9743085 9763245 10174329 10825650 10848050 10953225 11219310 11304810 11427075 11715894 11829483 11842605 11932855 12341241 13143870 13158450 13387275 13712490 13874085 14211126 14319426 14458257 14474295 15415650 16064730 16082550 16238475 16272075 16648902 16828965 16957215 17369154 17573841 18698850 18841350 19486170 19526490 19715805 19737675 20348658 20568735 21316689 21479139 21906450 22854150 23123475 23658966 23685210 23865710 24097095 24123825 24682482 24973353 26053731 26774550 27748170 28048275 28262025 28916514 28948590 29289735 30522987 32476950 32544150 32859675 33657930 33914430 34281225 35147682 35488449 35527815 35798565 37023723 39431610 39475350 40161825 41137470 41622255 42633378 42958278 43374771 43422885 46246950 48194190 48247650 48715425 48816225 49946706 50871645 52107462 52721523 56096550 56524050 58579470 59147415 59213025 59664275 61045974 61706205 63950067 64437417 65719350 68562450 69370425 70976898 71055630 71597130 72291285 72371475 74047446 74920059 78161193 80323650 83244510 84144825 84786075 86749542 86845770 87869205 91568961 97430850 97632450 98579025 101743290 102843675 105443046 106465347 106583445 107395695 118294830 118426050 119328550 120485475 123412410 124866765 127900134 128874834 130124313 130268655 138740850 144582570 144742950 146448675 149840118 152614935 156322386 158164569 168289650 169572150 175738410 177442245 177639075 178992825 183137922 185118615 193312251 197158050 205687350 208111275 212930694 213166890 214791390 216873855 217114425 224760177 234483579 240970950 249733530 254358225 260248626 260537310 263607615 274706883 292897350 295737075 305229870 308531025 316329138 319750335 322187085 354884490 355278150 357985650 361456425 370237230 374600295 386624502 390372939 390805965 416222550 433747710 434228850 439346025 449520354 457844805 468967158 474493707 508716450 527215230 532326735 532917225 536978475 549413766 579936753 591474150 617062050 624333825 639500670 644374170 650621565 651343275 674280531 703450737 722912850 749200590 763074675 780745878 781611930 790822845 824120649 878692050 887211225 915689610 925593075 948987414 966561255 1064653470 1065834450 1073956950 1084369275 1123800885 1159873506 1171118817 1172417895 1248667650 1301243130 1302686550 1318038075 1348561062 1373534415 1406901474 1423481121 1526149350 1581645690 1598751675 1610935425 1648241298 1739810259 1774422450 1851186150 1873001475 1933122510 1951864695 1954029825 2022841593 2168738550 2247601770 2289224025 2342237634 2344835790 2372468535 2472361947 2636076150 2661633675 2747068830 2846962242 2899683765 3197503350 3221870850 3253107825 3371402655 3479620518 3517253685 3746002950 3903729390 3908059650 3954114225 4045683186 4120603245 4270443363 4578448050 4744937070 4832806275 4944723894 5219430777 5323267350 5619004425 5799367530 5855594085 5862089475 6506215650 6742805310 6867672075 7034507370 7117405605 7417085841 7908228450 8241206490 8540886726 8699051295 9665612550 9759323475 10114207965 10438861554 11238008850 11711188170 11724178950 11862342675 12361809735 12811330089 13735344150 14234811210 14498418825 14834171682 15658292331 16857013275 17398102590 17586268425 19518646950 20228415930 20603016225 21352216815 22251257523 23724685350 24723619470 25622660178 26097153885 28996837650 29277970425 31316584662 33714026550 35172536850 35587028025 37085429205 38433990267 41206032450 42704433630 43495256475 44502515046 46974876993 50571039825 52194307770 58555940850 61809048675 64056650445 71174056050 74170858410 76867980534 78291461655 86990512950 93949753986 101142079650 106761084075 111256287615 123618097350 128113300890 130485769425 140924630979 156582923310 185427146025 192169951335 213522168150 222512575230 234874384965 260971538850 281849261958 320283252225 370854292050 384339902670 391457308275 422773892937 469748769930 556281438075 640566504450 704623154895 782914616550 845547785874 960849756675 1112562876150 1174371924825 1409246309790 1921699513350 2113869464685 2348743849650 3523115774475 4227738929370 7046231548950 10569347323425 21138694646850
• Sum of all divisors σ(n): 68015814834240
• Sum of proper divisors (its aliquot sum) s(n): 46877120187390
• 21138694646850 is an abundant number, because the sum of its proper divisors (46877120187390) is greater than itself. Its abundance is 25738425540540

Bases of 21138694646850

• Binary: 100110011100110111100011000101010110001000010₂
• Hexadecimal: 0x1339BC62AC42
• Base-36: 7HQZD0A4I

Squares and roots of 21138694646850

• 21138694646850 squared (21138694646850²) is 446844411372764846214922500
• 21138694646850 cubed (21138694646850³) is 9445707566660303514567245735337619125000
• The square root of 21138694646850 is 4597683.6175241551
• The cube root of 21138694646850 is 27649.8463179701

Scales and comparisons

• 21,138,694,646,850 seconds is equal to 672,145 years, 5 weeks, 2 days, 16 hours, 7 minutes, 30 seconds.
• To count from 1 to 21,138,694,646,850 would take you about one million, six hundred eighty thousand, three hundred sixty-two 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 21138694646850 cubic inches would be around 2304.2 feet tall.

Recreational maths with 21138694646850

• 21138694646850 backwards is 05864649683112
• The number of decimal digits it has is: 14
• The sum of 21138694646850's digits is 63
• More coming soon!