21398210672400

Names of 21398210672400

• Cardinal: 21398210672400 can be written as Twenty-one trillion, three hundred ninety-eight billion, two hundred ten million, six hundred seventy-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.13982106724 × 10¹³

Factors of 21398210672400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 870

Divisors of 21398210672400

• Number of divisors d(n): 675
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 31 36 40 45 48 50 54 60 62 72 75 80 81 90 93 100 108 120 124 135 144 150 155 162 180 186 200 216 225 240 248 270 279 300 310 324 360 372 400 405 432 450 465 496 540 558 600 620 648 675 720 744 775 810 829 837 900 930 961 1080 1116 1200 1240 1296 1350 1395 1488 1550 1620 1658 1674 1800 1860 1922 2025 2160 2232 2325 2480 2487 2511 2700 2790 2883 3100 3240 3316 3348 3600 3720 3844 4050 4145 4185 4464 4650 4805 4974 5022 5400 5580 5766 6200 6480 6632 6696 6975 7440 7461 7688 8100 8290 8370 8649 9300 9610 9948 10044 10800 11160 11532 12400 12435 12555 13264 13392 13950 14415 14922 15376 16200 16580 16740 17298 18600 19220 19896 20088 20725 20925 22320 22383 23064 24025 24870 25110 25699 25947 27900 28830 29844 32400 33160 33480 34596 37200 37305 38440 39792 40176 41450 41850 43245 44766 46128 48050 49740 50220 51398 51894 55800 57660 59688 62175 62775 66320 66960 67149 69192 72075 74610 76880 77097 77841 82900 83700 86490 89532 96100 99480 100440 102796 103788 111600 111915 115320 119376 124350 125550 128495 129735 134298 138384 144150 149220 154194 155682 165800 167400 172980 179064 186525 192200 198960 200880 205592 207576 216225 223830 230640 231291 248700 251100 256990 259470 268596 288300 298440 308388 311364 331600 334800 335745 345960 358128 373050 384400 385485 389205 411184 415152 432450 447660 462582 497400 502200 513980 518940 537192 559575 576600 596880 616776 622728 642475 648675 671490 687241 691920 693873 746100 770970 778410 796669 864900 895320 925164 994800 1004400 1027960 1037880 1074384 1119150 1153200 1156455 1233552 1245456 1284950 1297350 1342980 1374482 1387746 1492200 1541940 1556820 1593338 1678725 1729800 1790640 1850328 1927425 1946025 2055920 2061723 2075760 2081619 2238300 2312910 2390007 2569900 2594700 2685960 2748964 2775492 2984400 3083880 3113640 3186676 3357450 3436205 3459600 3469365 3700656 3854850 3892050 3983345 4123446 4163238 4476600 4625820 4780014 5139800 5189400 5371920 5497928 5550984 5782275 6167760 6185169 6227280 6373352 6714900 6872410 6938730 7170021 7709700 7784100 7966690 8246892 8326476 8953200 9251640 9560028 10279600 10308615 10378800 10408095 10995856 11101968 11564550 11950035 12370338 12746704 13429800 13744820 13877460 14340042 15419400 15568200 15933380 16493784 16652952 17181025 17346825 18503280 18555507 19120056 19916725 20617230 20816190 21304471 21510063 23129100 23900070 24740676 26859600 27489640 27754920 28680084 30838800 30925845 31136400 31866760 32987568 33305904 34362050 34693650 35850105 37111014 38240112 39833450 41234460 41632380 42608942 43020126 46258200 47800140 49481352 51543075 52040475 54979280 55509840 55666521 57360168 59750175 61851690 63733520 63913413 64530189 68724100 69387300 71700210 74222028 79666900 82468920 83264760 85217884 86040252 92516400 92777535 95600280 98962704 103086150 104080950 106522355 107550315 111333042 114720336 119500350 123703380 127826826 129060378 137448200 138774600 143400420 148444056 154629225 159333800 164937840 166529520 170435768 172080504 179250525 185555070 191200560 191740239 206172300 208161900 213044710 215100630 222666084 239000700 247406760 255653652 258120756 274896400 277549200 278332605 286800840 296888112 309258450 318667600 319567065 322650945 340871536 344161008 358501050 371110140 383480478 412344600 416323800 426089420 430201260 445332168 463887675 478001400 494813520 511307304 516241512 532611775 537751575 556665210 573601680 575220717 618516900 639134130 645301890 660438601 717002100 742220280 766960956 824689200 832647600 852178840 860402520 890664336 927775350 956002800 958701195 1022614608 1032483024 1065223550 1075503150 1113330420 1150441434 1237033800 1278268260 1290603780 1320877202 1391663025 1434004200 1484440560 1533921912 1597835325 1613254725 1704357680 1720805040 1725662151 1855550700 1917402390 1981315803 2130447100 2151006300 2226660840 2300882868 2474067600 2556536520 2581207560 2641754404 2783326050 2868008400 2876103585 3067843824 3195670650 3226509450 3302193005 3451324302 3711101400 3834804780 3962631606 4260894200 4302012600 4453321680 4601765736 4793505975 5113073040 5162415120 5283508808 5566652100 5752207170 5943947409 6391341300 6453018900 6604386010 6902648604 7422202800 7669609560 7925263212 8521788400 8604025200 8628310755 9203531472 9587011950 9906579015 10567017616 11133304200 11504414340 11887894818 12782682600 12906037800 13208772020 13805297208 14380517925 15339219120 15850526424 16510965025 17256621510 17831842227 19174023900 19813158030 22266608400 23008828680 23775789636 25565365200 25812075600 26417544040 27610594416 28761035850 29719737045 31701052848 33021930050 34513243020 35663684454 38348047800 39626316060 43141553775 46017657360 47551579272 49532895075 52835088080 53495526681 57522071700 59439474090 66043860100 69026486040 71327368908 76696095600 79252632120 86283107550 89159211135 95103158544 99065790150 106991053362 115044143400 118878948180 132087720200 138052972080 142654737816 148598685225 158505264240 172566215100 178318422270 198131580300 213982106724 230088286800 237757896360 264175440400 267477633405 285309475632 297197370450 345132430200 356636844540 396263160600 427964213448 445796055675 475515792720 534955266810 594394740900 690264860400 713273689080 792526321200 855928426896 891592111350 1069910533620 1188789481800 1337388167025 1426547378160 1783184222700 2139821067240 2377578963600 2674776334050 3566368445400 4279642134480 5349552668100 7132736890800 10699105336200 21398210672400
• Sum of all divisors σ(n): 79449516863343
• Sum of proper divisors (its aliquot sum) s(n): 58051306190943
• 21398210672400 is an abundant number, because the sum of its proper divisors (58051306190943) is greater than itself. Its abundance is 36653095518543

Bases of 21398210672400

• Binary: 100110111011000101000101111101111011100010000₂
• Hexadecimal: 0x137628BEF710
• Base-36: 7L27A5D00

Squares and roots of 21398210672400

• 21398210672400 squared (21398210672400²) is 457883419980413260121760000
• 21398210672400 cubed (21398210672400³) is 9797885884139890421699922155471424000000
• 21398210672400 is a perfect square number. Its square root is 4625820
• The cube root of 21398210672400 is 27762.5371685825

Scales and comparisons

• 21,398,210,672,400 seconds is equal to 680,396 years, 47 weeks, 2 days, 9 hours.
• To count from 1 to 21,398,210,672,400 would take you about one million, seven hundred thousand, nine hundred ninety-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 21398210672400 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21398210672400

• 21398210672400 backwards is 00427601289312
• 21398210672400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21398210672400's digits is 45
• More coming soon!