21553998243840

Names of 21553998243840

• Cardinal: 21553998243840 can be written as Twenty-one trillion, five hundred fifty-three billion, nine hundred ninety-eight million, two hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.155399824384 × 10¹³

Factors of 21553998243840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 424

Divisors of 21553998243840

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 128 144 160 164 180 192 205 240 246 256 288 320 328 360 369 373 384 410 480 492 512 576 615 640 656 720 738 746 768 820 960 984 1024 1119 1152 1230 1280 1312 1440 1476 1492 1536 1640 1681 1845 1865 1920 1968 2048 2238 2304 2460 2560 2624 2880 2952 2984 3072 3280 3357 3362 3690 3730 3840 3936 4476 4608 4920 5043 5120 5248 5595 5760 5904 5968 6144 6560 6714 6724 7380 7460 7680 7872 8405 8952 9216 9840 10086 10240 10496 11190 11520 11808 11936 13120 13428 13448 14760 14920 15129 15293 15360 15744 16785 16810 17904 18432 19680 20172 20992 22380 23040 23616 23872 25215 26240 26856 26896 29520 29840 30258 30586 30720 31488 33570 33620 35808 39360 40344 41984 44760 45879 46080 47232 47744 50430 52480 53712 53792 59040 59680 60516 61172 62976 67140 67240 71616 75645 76465 78720 80688 83968 89520 91758 92160 94464 95488 100860 104960 107424 107584 118080 119360 121032 122344 125952 134280 134480 137637 139129 143232 151290 152930 157440 161376 179040 183516 188928 190976 201720 209920 214848 215168 229395 236160 238720 242064 244688 251904 268560 268960 275274 278258 286464 302580 305860 314880 322752 358080 367032 377856 381952 403440 417387 419840 429696 430336 458790 472320 477440 484128 489376 537120 537920 550548 556516 572928 605160 611720 627013 629760 645504 688185 695645 716160 734064 755712 763904 806880 834774 859392 860672 917580 944640 954880 968256 978752 1074240 1075840 1101096 1113032 1145856 1210320 1223440 1252161 1254026 1259520 1291008 1376370 1391290 1432320 1468128 1613760 1669548 1718784 1721344 1835160 1881039 1889280 1909760 1936512 1957504 2086935 2148480 2151680 2202192 2226064 2291712 2420640 2446880 2504322 2508052 2582016 2752740 2782580 2864640 2936256 3135065 3227520 3339096 3437568 3442688 3670320 3762078 3778560 3819520 3873024 3915008 4173870 4296960 4303360 4404384 4452128 4841280 4893760 5008644 5016104 5164032 5505480 5565160 5643117 5704289 5729280 5872512 6260805 6270130 6455040 6678192 6875136 7340640 7524156 7746048 7830016 8347740 8593920 8606720 8808768 8904256 9405195 9682560 9787520 10017288 10032208 10328064 11010960 11130320 11286234 11408578 11458560 11745024 12521610 12540260 12910080 13356384 14681280 15048312 15492096 15660032 16695480 17112867 17187840 17213440 17617536 17808512 18810390 19365120 19575040 20034576 20064416 22021920 22260640 22572468 22817156 23490048 25043220 25080520 25820160 26712768 28215585 28521445 29362560 30096624 30984192 31320064 33390960 34225734 34375680 35235072 35617024 37620780 38730240 39150080 40069152 40128832 44043840 44521280 45144936 45634312 46980096 50086440 50161040 51338601 51640320 53425536 56431170 57042890 58725120 60193248 66781920 68451468 70470144 71234048 75241560 77460480 78300160 80138304 80257664 85564335 88087680 89042560 90289872 91268624 93960192 100172880 100322080 102677202 106851072 112862340 114085780 117450240 120386496 133563840 136902936 140940288 142468096 150483120 154920960 156600320 160276608 160515328 171128670 176175360 178085120 180579744 182537248 200345760 200644160 205354404 213702144 225724680 228171560 233875849 234900480 240772992 256693005 267127680 273805872 281880576 284936192 300966240 320553216 321030656 342257340 352350720 356170240 361159488 365074496 400691520 401288320 410708808 427404288 451449360 456343120 467751698 469800960 481545984 513386010 534255360 547611744 601932480 641106432 642061312 684514680 701627547 704701440 712340480 722318976 730148992 801383040 802576640 821417616 854808576 902898720 912686240 935503396 963091968 1026772020 1068510720 1095223488 1169379245 1203864960 1282212864 1284122624 1369029360 1403255094 1409402880 1424680960 1444637952 1460297984 1602766080 1605153280 1642835232 1805797440 1825372480 1871006792 1926183936 2053544040 2104882641 2137021440 2190446976 2338758490 2407729920 2564425728 2738058720 2806510188 2889275904 2920595968 3205532160 3210306560 3285670464 3508137735 3611594880 3650744960 3742013584 3852367872 4107088080 4209765282 4274042880 4380893952 4677516980 4815459840 5476117440 5613020376 5778551808 5841191936 6411064320 6420613120 6571340928 7016275470 7223189760 7301489920 7484027168 8214176160 8419530564 8761787904 9355033960 9630919680 10524413205 10952234880 11226040752 11557103616 11682383872 12822128640 13142681856 14032550940 14446379520 14602979840 14968054336 16428352320 16839061128 17523575808 18710067920 19261839360 21048826410 21904469760 22452081504 26285363712 28065101880 28892759040 29205959680 29936108672 32856704640 33678122256 35047151616 37420135840 42097652820 43808939520 44904163008 52570727424 56130203760 57785518080 58411919360 59872217344 65713409280 67356244512 74840271680 84195305640 87617879040 89808326016 105141454848 112260407520 119744434688 131426818560 134712489024 149680543360 168390611280 175235758080 179616652032 224520815040 239488869376 262853637120 269424978048 299361086720 336781222560 359233304064 449041630080 478977738752 525707274240 538849956096 598722173440 673562445120 718466608128 898083260160 1077699912192 1197444346880 1347124890240 1436933216256 1796166520320 2155399824384 2394888693760 2694249780480 3592333040640 4310799648768 5388499560960 7184666081280 10776999121920 21553998243840
• Sum of all divisors σ(n): 76774559515290
• Sum of proper divisors (its aliquot sum) s(n): 55220561271450
• 21553998243840 is an abundant number, because the sum of its proper divisors (55220561271450) is greater than itself. Its abundance is 33666563027610

Bases of 21553998243840

• Binary: 100111001101001101110011010001010100000000000₂
• Hexadecimal: 0x139A6E68A800
• Base-36: 7N1RQ1OG0

Squares and roots of 21553998243840

• 21553998243840 squared (21553998243840²) is 464574840295457804097945600
• 21553998243840 cubed (21553998243840³) is 10013445291860545976255942217751855104000
• The square root of 21553998243840 is 4642628.3766676825
• The cube root of 21553998243840 is 27829.7484649337

Scales and comparisons

• 21,553,998,243,840 seconds is equal to 685,350 years, 24 weeks, 4 days, 6 hours, 24 minutes.
• To count from 1 to 21,553,998,243,840 would take you about one million, seven hundred thirteen thousand, three hundred seventy-six 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 21553998243840 cubic inches would be around 2319.1 feet tall.

Recreational maths with 21553998243840

• 21553998243840 backwards is 04834289935512
• The number of decimal digits it has is: 14
• The sum of 21553998243840's digits is 63
• More coming soon!