19821008721920

Names of 19821008721920

• Cardinal: 19821008721920 can be written as Nineteen trillion, eight hundred twenty-one billion, eight million, seven hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.982100872192 × 10¹³

Factors of 19821008721920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 108

Divisors of 19821008721920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 49 53 56 64 70 80 82 98 106 112 128 140 160 164 196 205 212 224 245 256 265 280 287 320 328 343 371 392 410 424 448 490 512 530 560 574 640 656 686 742 784 820 848 896 980 1024 1060 1120 1148 1280 1312 1372 1435 1484 1568 1640 1696 1715 1792 1855 1960 2009 2048 2120 2173 2240 2296 2401 2560 2597 2624 2744 2809 2870 2968 3136 3280 3392 3430 3584 3710 3920 4018 4240 4346 4480 4592 4802 5120 5194 5248 5488 5618 5740 5936 6272 6560 6784 6860 7168 7420 7840 8036 8480 8692 8960 9184 9604 10045 10240 10388 10496 10865 10976 11236 11480 11872 12005 12544 12985 13120 13568 13720 14045 14063 14336 14840 15211 15680 16072 16807 16960 17384 17920 18179 18368 19208 19663 20090 20776 20992 21730 21952 22472 22960 23744 24010 25088 25970 26240 27136 27440 28090 28126 29680 30422 31360 32144 33614 33920 34768 35840 36358 36736 38416 39326 40180 41552 41984 43460 43904 44944 45920 47488 48020 50176 51940 52480 54272 54880 56180 56252 59360 60844 62720 64288 67228 67840 69536 70315 71680 72716 73472 76055 76832 78652 80360 83104 83968 84035 86920 87808 89888 90895 91840 94976 96040 98315 98441 100352 103880 104960 106477 108544 109760 112360 112504 115169 118720 121688 125440 127253 128576 134456 135680 137641 139072 140630 145432 146944 152110 153664 157304 160720 166208 168070 173840 175616 179776 181790 183680 189952 192080 196630 196882 207760 209920 212954 219520 224720 225008 230338 237440 243376 250880 254506 257152 268912 271360 275282 278144 281260 290864 293888 304220 307328 314608 321440 332416 336140 347680 351232 359552 363580 367360 379904 384160 393260 393764 415520 419840 425908 439040 449440 450016 460676 474880 486752 492205 501760 509012 514304 532385 537824 542720 550564 556288 562520 575845 581728 587776 608440 614656 629216 636265 642880 664832 672280 688205 689087 695360 702464 719104 727160 734720 745339 759808 768320 786520 787528 806183 831040 851816 878080 890771 898880 900032 921352 949760 963487 973504 984410 1018024 1028608 1064770 1075648 1101128 1112576 1125040 1151690 1163456 1216880 1229312 1258432 1272530 1285760 1329664 1344560 1376410 1378174 1390720 1438208 1454320 1469440 1490678 1536640 1573040 1575056 1612366 1662080 1703632 1756160 1781542 1797760 1800064 1842704 1899520 1926974 1947008 1968820 2036048 2057216 2129540 2151296 2202256 2225152 2250080 2303380 2326912 2433760 2458624 2516864 2545060 2571520 2659328 2689120 2752820 2756348 2781440 2876416 2908640 2938880 2981356 3073280 3146080 3150112 3224732 3324160 3407264 3445435 3512320 3563084 3595520 3600128 3685408 3726695 3799040 3853948 3894016 3937640 4030915 4072096 4114432 4259080 4302592 4404512 4450304 4453855 4500160 4606760 4653824 4817435 4867520 4917248 5033728 5090120 5143040 5217373 5318656 5378240 5505640 5512696 5562880 5643281 5752832 5817280 5962712 6146560 6292160 6300224 6449464 6648320 6744409 6814528 6890870 7126168 7191040 7200256 7370816 7453390 7707896 7788032 7875280 8061830 8144192 8518160 8605184 8809024 8907710 9000320 9213520 9307648 9634870 9735040 10067456 10180240 10286080 10434746 10756480 11011280 11025392 11125760 11286562 11634560 11925424 12293120 12584320 12600448 12898928 13296640 13488818 13629056 13781740 14252336 14382080 14400512 14741632 14906780 15415792 15576064 15750560 16123660 16288384 17036320 17210368 17618048 17815420 18000640 18427040 18615296 19269740 19470080 20134912 20360480 20572160 20869492 21512960 22022560 22050784 22251520 22573124 23269120 23850848 24586240 25168640 25200896 25797856 26086865 26593280 26977636 27258112 27563480 28216405 28504672 28764160 28801024 29483264 29813560 30831584 31152128 31501120 32247320 32576768 33722045 34072640 34420736 35236096 35630840 36001280 36521611 36854080 37230592 38539480 38940160 39502967 40269824 40720960 41738984 43025920 44045120 44101568 45146248 46538240 47210863 47701696 50337280 50401792 51595712 52173730 53955272 54516224 55126960 56432810 57009344 58966528 59627120 61663168 63002240 64494640 65153536 67444090 68145280 70472192 71261680 72002560 73043222 73708160 77078960 77880320 79005934 81441920 83477968 86051840 88090240 88203136 90292496 93076480 94421726 95403392 100674560 100803584 103191424 104347460 107910544 109032448 110253920 112865620 114018688 117933056 119254240 123326336 126004480 128989280 130307072 134888180 136290560 140944384 142523360 144005120 146086444 147416320 154157920 155760640 158011868 162883840 166955936 172103680 176180480 176406272 180584992 182608055 186152960 188843452 190806784 197514835 201349120 201607168 206382848 208694920 215821088 218064896 220507840 225731240 228037376 235866112 236054315 238508480 246652672 252008960 257978560 260614144 269776360 272581120 276520769 281888768 285046720 292172888 294832640 308315840 316023736 325767680 333911872 352360960 352812544 361169984 365216110 377686904 381613568 395029670 412765696 417389840 431642176 441015680 451462480 456074752 472108630 477016960 493305344 504017920 515957120 539552720 545162240 553041538 570093440 584345776 589665280 616631680 632047472 651535360 667823744 704721920 705625088 722339968 730432220 755373808 763227136 790059340 825531392 834779680 863284352 882031360 902924960 912149504 944217260 954033920 986610688 1008035840 1031914240 1079105440 1090324480 1106083076 1140186880 1168691552 1179330560 1233263360 1264094944 1303070720 1335647488 1382603845 1409443840 1411250176 1444679936 1460864440 1510747616 1526454272 1580118680 1651062784 1669559360 1726568704 1764062720 1805849920 1824299008 1888434520 1908067840 1935645383 1973221376 2063828480 2158210880 2212166152 2280373760 2337383104 2466526720 2528189888 2671294976 2765207690 2889359872 2921728880 3021495232 3160237360 3339118720 3453137408 3528125440 3611699840 3776869040 3816135680 3871290766 4127656960 4316421760 4424332304 4560747520 4674766208 4933053440 5056379776 5342589952 5530415380 5778719744 5843457760 6042990464 6320474720 6678237440 6906274816 7056250880 7223399680 7553738080 7632271360 7742581532 8255313920 8632843520 8848664608 9121495040 9349532416 9678226915 9866106880 10112759552 10685179904 11060830760 11557439488 11686915520 12085980928 12640949440 13356474880 13812549632 14446799360 15107476160 15485163064 17265687040 17697329216 18699064832 19356453830 20225519104 22121661520 23373831040 24171961856 25281898880 26712949760 28893598720 30214952320 30970326128 34531374080 35394658432 37398129664 38712907660 40451038208 44243323040 46747662080 48343923712 50563797760 53425899520 57787197440 60429904640 61940652256 69062748160 70789316864 74796259328 77425815320 80902076416 88486646080 93495324160 96687847424 101127595520 120859809280 123881304512 141578633728 154851630640 176973292160 186990648320 202255191040 241719618560 247762609024 283157267456 309703261280 353946584320 373981296640 404510382080 483439237120 495525218048 566314534912 619406522560 707893168640 991050436096 1238813045120 1415786337280 1982100872192 2477626090240 2831572674560 3964201744384 4955252180480 9910504360960 19821008721920
• Sum of all divisors σ(n): 57930742265760
• Sum of proper divisors (its aliquot sum) s(n): 38109733543840
• 19821008721920 is an abundant number, because the sum of its proper divisors (38109733543840) is greater than itself. Its abundance is 18288724821920

Bases of 19821008721920

• Binary: 100100000011011110000001011110001100000000000₂
• Hexadecimal: 0x1206F02F1800
• Base-36: 70XN8TVCW

Squares and roots of 19821008721920

• 19821008721920 squared (19821008721920²) is 392872386754428711888486400
• 19821008721920 cubed (19821008721920³) is 7787127004461058979528559728827301888000
• The square root of 19821008721920 is 4452079.1459631533
• The cube root of 19821008721920 is 27062.9572107639

Scales and comparisons

• 19,821,008,721,920 seconds is equal to 630,246 years, 39 weeks, 6 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 19,821,008,721,920 would take you about one million, five hundred seventy-five thousand, six hundred sixteen 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 19821008721920 cubic inches would be around 2255.2 feet tall.

Recreational maths with 19821008721920

• 19821008721920 backwards is 02912780012891
• The number of decimal digits it has is: 14
• The sum of 19821008721920's digits is 50
• More coming soon!