21091401318400

Names of 21091401318400

• Cardinal: 21091401318400 can be written as Twenty-one trillion, ninety-one billion, four hundred one million, three hundred eighteen thousand, four hundred.

Scientific notation

• Scientific notation: 2.10914013184 × 10¹³

Factors of 21091401318400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 145

Divisors of 21091401318400

• Number of divisors d(n): 1620
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 25 28 32 35 38 40 41 49 50 56 64 70 71 76 80 82 95 98 100 112 128 133 140 142 152 160 164 175 190 196 200 205 224 245 256 266 280 284 287 304 320 328 350 355 361 380 392 400 410 448 475 490 497 512 532 560 568 574 608 640 656 665 700 710 722 760 779 784 800 820 896 931 950 980 994 1024 1025 1064 1120 1136 1148 1216 1225 1280 1312 1330 1349 1400 1420 1435 1444 1520 1558 1568 1600 1640 1775 1792 1805 1862 1900 1960 1988 2009 2048 2050 2128 2240 2272 2296 2432 2450 2485 2527 2560 2624 2660 2698 2800 2840 2870 2888 2911 3040 3116 3136 3200 3280 3325 3479 3550 3584 3610 3724 3800 3895 3920 3976 4018 4096 4100 4256 4480 4544 4592 4655 4864 4900 4970 5054 5120 5248 5320 5396 5453 5600 5680 5740 5776 5822 6080 6232 6272 6400 6560 6650 6745 6958 7100 7168 7175 7220 7448 7600 7790 7840 7952 8036 8192 8200 8512 8960 9025 9088 9184 9310 9443 9728 9800 9940 10045 10108 10240 10496 10640 10792 10906 11200 11360 11480 11552 11644 12160 12425 12464 12544 12635 12800 13120 13300 13490 13916 14200 14336 14350 14440 14555 14801 14896 15200 15580 15680 15904 16072 16384 16400 17024 17395 17689 17920 18050 18176 18368 18620 18886 19456 19475 19600 19880 20090 20216 20377 20480 20992 21280 21584 21812 22400 22720 22960 23104 23275 23288 24320 24850 24928 25088 25270 25600 25631 26240 26600 26980 27265 27832 28400 28672 28700 28880 29110 29602 29792 30400 31160 31360 31808 32144 32800 33725 34048 34790 35378 35840 36100 36352 36736 37240 37772 38171 38912 38950 39200 39760 40180 40432 40754 40960 41984 42560 43168 43624 44800 45440 45920 46208 46550 46576 47215 48640 49700 49856 50176 50225 50540 51200 51262 52480 53200 53960 54530 55309 55664 56800 57344 57400 57760 58220 59204 59584 60800 62320 62720 63175 63616 64288 65600 66101 67450 68096 69580 70756 71680 72200 72704 72775 73472 74005 74480 75544 76342 77824 77900 78400 79520 80360 80864 81508 81920 83968 85120 86336 86975 87248 88445 89600 90880 91840 92416 93100 93152 94430 97280 99400 99712 100352 100450 101080 101885 102400 102524 103607 104960 106400 107920 109060 110618 111328 113600 114688 114800 115520 116440 118408 119168 121600 124640 125440 126350 127232 128155 128576 131200 132202 134900 136192 136325 139160 141512 142639 143360 144400 145408 145550 146944 148010 148960 151088 152684 155648 155800 156800 159040 160720 161728 163016 167936 170240 172672 173950 174496 176890 179200 179417 181760 183680 184832 186200 186304 188860 190855 194560 198800 199424 200704 200900 202160 203770 204800 205048 207214 209920 212800 215840 218120 221236 222656 227200 229600 231040 232880 236075 236816 238336 243200 249280 250880 252700 254464 256310 257152 262400 264404 269800 272384 272650 276545 278320 283024 285278 286720 288800 290816 291100 293888 296020 297920 302176 305368 311296 311600 313600 318080 321440 323456 326032 330505 335872 340480 345344 347900 348992 353780 358400 358834 363520 367360 369664 370025 372400 372608 377720 381710 387163 389120 397600 398848 401408 401800 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78174208 79769600 80378816 82019200 82288640 82885600 83464192 84069680 84609280 86724512 88494400 89062400 89341952 90567680 91288960 91861504 92831872 94726400 95334400 96696320 97717760 99113728 100473520 101785600 102860800 102985358 103505920 104330240 104984576 105087100 105761600 106093568 108405640 110510080 111677440 113209600 113272832 114111200 114826880 116039840 117555200 117697552 119234560 120870400 121249792 122147200 123892160 125591900 129382400 130412800 131230720 132616960 134511488 135374848 135507050 138137600 139596800 141591040 142499840 143533600 144908288 145049800 146062336 147121940 147865600 149043200 151562240 154714112 154865200 156348416 159539200 160757632 164038400 164577280 165771200 166928384 168139360 169218560 173449024 176988800 178124800 181135360 182577920 183723008 183902425 185663744 189452800 190668800 193392640 195435520 198227456 200947040 203571200 205721600 205970716 207011840 208660480 209969152 210174200 211523200 212187136 216811280 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2624614400 2652339200 2690229760 2707496960 2775184384 2831820800 2921246720 2939568128 2942438800 2970619904 3031244800 3126968320 3171639296 3215152640 3295531456 3362787200 3384371200 3468980480 3622707200 3651558400 3674460160 3713274880 3766321664 3867852800 3908710400 3964549120 4018940800 4119414320 4173209600 4243742720 4304367616 4336225600 4530913280 4593075200 4641593600 4707902080 4955686400 5144244224 5149267900 5249228800 5304678400 5380459520 5414993920 5550368768 5663641600 5842493440 5884877600 5941239808 6062489600 6343278592 6430305280 6591062912 6725574400 6768742400 6937960960 7245414400 7303116800 7348920320 7426549760 7532643328 7817420800 7929098240 8037881600 8238828640 8346419200 8487485440 8608735232 8672451200 9186150400 9283187200 9415804160 9911372800 10288488448 10298535800 10498457600 10609356800 10760919040 11100737536 11327283200 11684986880 11769755200 11882479616 12860610560 13182125824 13451148800 13537484800 13875921920 14606233600 14697840640 14853099520 15065286656 15634841600 15858196480 16075763200 16477657280 17217470464 17344902400 18372300800 18566374400 18831608320 19822745600 20576976896 20597071600 21218713600 21521838080 22201475072 22654566400 23539510400 25721221120 26364251648 26902297600 27074969600 27751843840 29212467200 29706199040 30130573312 31716392960 32151526400 32955314560 34689804800 36744601600 37132748800 37663216640 39645491200 41194143200 42437427200 43043676160 44402950144 47079020800 51442442240 52728503296 53804595200 55503687680 58424934400 59412398080 60261146624 64303052800 65910629120 69379609600 73489203200 74265497600 75326433280 79290982400 82388286400 86087352320 94158041600 102884884480 105457006592 107609190400 111007375360 120522293248 128606105600 131821258240 138759219200 148530995200 150652866560 158581964800 164776572800 188316083200 210914013184 215218380800 222014750720 257212211200 263642516480 277518438400 297061990400 301305733120 329553145600 376632166400 421828026368 430436761600 514424422400 527285032960 555036876800 602611466240 659106291200 753264332800 843656052736 1054570065920 1110073753600 1318212582400 1506528665600 2109140131840 2636425164800 3013057331200 4218280263680 5272850329600 10545700659200 21091401318400
• Sum of all divisors σ(n): 66708318425616
• Sum of proper divisors (its aliquot sum) s(n): 45616917107216
• 21091401318400 is an abundant number, because the sum of its proper divisors (45616917107216) is greater than itself. Its abundance is 24525515788816

Bases of 21091401318400

• Binary: 100110010111010111001011110111100000000000000₂
• Hexadecimal: 0x132EB97BC000
• Base-36: 7H597S4CG

Squares and roots of 21091401318400

• 21091401318400 squared (21091401318400²) is 444847209573805258178560000
• 21091401318400 cubed (21091401318400³) is 9382451022491517324452132766613504000000
• The square root of 21091401318400 is 4592537.5685344153
• The cube root of 21091401318400 is 27629.2107063919

Scales and comparisons

• 21,091,401,318,400 seconds is equal to 670,641 years, 16 weeks, 5 days, 4 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,091,401,318,400 would take you about one million, six hundred seventy-six thousand, six hundred three 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 21091401318400 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21091401318400

• 21091401318400 backwards is 00481310419012
• The number of decimal digits it has is: 14
• The sum of 21091401318400's digits is 34
• More coming soon!