21214893421800

Names of 21214893421800

• Cardinal: 21214893421800 can be written as Twenty-one trillion, two hundred fourteen billion, eight hundred ninety-three million, four hundred twenty-one thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12148934218 × 10¹³

Factors of 21214893421800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4256523

Divisors of 21214893421800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 25 26 27 30 36 39 40 45 50 52 54 60 65 71 72 75 78 90 100 104 108 117 120 130 135 142 150 156 180 195 200 213 216 225 234 260 270 284 300 312 325 351 355 360 390 426 450 468 520 540 568 585 600 639 650 675 702 710 780 852 900 923 936 975 1065 1080 1170 1278 1300 1350 1404 1420 1560 1704 1755 1775 1800 1846 1917 1950 2130 2340 2556 2600 2700 2769 2808 2840 2925 3195 3510 3550 3692 3834 3900 4260 4615 4680 5112 5325 5400 5538 5850 6390 7020 7100 7384 7668 7800 8307 8520 8775 9230 9585 10650 11076 11700 12780 13845 14040 14200 15336 15975 16614 17550 18460 19170 21300 22152 23075 23400 24921 25560 27690 31950 33228 35100 36920 38340 41535 42600 46150 47925 49842 55380 63900 66456 69225 70200 76680 83070 92300 95850 99684 110760 124605 127800 138450 166140 184600 191700 199368 207675 249210 276900 332280 383400 415350 498420 553800 623025 830700 996840 1246050 1661400 2492100 4256429 4984200 8512858 12769287 17025716 21282145 25538574 34051432 38307861 42564290 51077148 55333577 63846435 76615722 85128580 102154296 106410725 110667154 114923583 127692870 153231444 166000731 170257160 191539305 212821450 221334308 229847166 255385740 276667885 302206459 306462888 319232175 332001462 383078610 425642900 442668616 459694332 498002193 510771480 553335770 574617915 604412918 638464350 664002924 766157220 830003655 851285800 906619377 919388664 957696525 996004386 1106671540 1149235830 1208825836 1276928700 1328005848 1383339425 1494006579 1511032295 1532314440 1660007310 1813238754 1915393050 1992008772 2213343080 2298471660 2417651672 2490010965 2553857400 2719858131 2766678850 2873089575 2988013158 3022064590 3320014620 3626477508 3830786100 3928683967 3984017544 4150018275 4533096885 4596943320 4980021930 5439716262 5533357700 5746179150 5976026316 6044129180 6640029240 7252955016 7470032895 7555161475 7661572200 7857367934 8159574393 8300036550 9066193770 9960043860 10879432524 11066715400 11492358300 11786051901 11952052632 12088258360 12450054825 13599290655 14940065790 15110322950 15714735868 16319148786 16600073100 18132387540 19643419835 19920087720 21758865048 22665484425 22984716600 23572103802 24900109650 27198581310 29880131580 30220645900 31429471736 32638297572 33200146200 35358155703 36264775080 37350164475 39286839670 40797871965 45330968850 47144207604 49800219300 54397162620 58930259505 59760263160 60441291800 65276595144 67996453275 70716311406 74700328950 78573679340 81595743930 90661937700 94288415208 98217099175 99600438600 106074467109 108794325240 117860519010 135992906550 141432622812 149400657900 157147358680 163191487860 176790778515 181323875400 196434198350 203989359825 212148934218 235721038020 271985813100 282865245624 294651297525 298801315800 326382975720 353581557030 392868396700 407978719650 424297868436 471442076040 530372335545 543971626200 589302595050 707163114060 785736793400 815957439300 848595736872 883953892575 1060744671090 1178605190100 1414326228120 1631914878600 1767907785150 2121489342180 2357210380200 2651861677725 3535815570300 4242978684360 5303723355450 7071631140600 10607446710900 21214893421800
• Sum of all divisors σ(n): 79802954784000
• Sum of proper divisors (its aliquot sum) s(n): 58588061362200
• 21214893421800 is an abundant number, because the sum of its proper divisors (58588061362200) is greater than itself. Its abundance is 37373167940400

Bases of 21214893421800

• Binary: 100110100101101111010001011111011010011101000₂
• Hexadecimal: 0x134B7A2FB4E8
• Base-36: 7IPZJSH60

Squares and roots of 21214893421800

• 21214893421800 squared (21214893421800²) is 450071702898332912715240000
• 21214893421800 cubed (21214893421800³) is 9548223209156166904148978652608232000000
• The square root of 21214893421800 is 4605962.8115954215
• The cube root of 21214893421800 is 27683.0296648069

Scales and comparisons

• 21,214,893,421,800 seconds is equal to 674,567 years, 51 weeks, 2 days, 22 hours, 30 minutes.
• To count from 1 to 21,214,893,421,800 would take you about one million, six hundred eighty-six thousand, four hundred nineteen 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 21214893421800 cubic inches would be around 2306.9 feet tall.

Recreational maths with 21214893421800

• 21214893421800 backwards is 00812439841212
• 21214893421800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21214893421800's digits is 45
• More coming soon!