21440690909520

Names of 21440690909520

• Cardinal: 21440690909520 can be written as Twenty-one trillion, four hundred forty billion, six hundred ninety million, nine hundred nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.144069090952 × 10¹³

Factors of 21440690909520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 785

Divisors of 21440690909520

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 163 164 205 240 246 326 328 410 489 492 571 615 652 656 815 820 978 984 1142 1230 1304 1630 1640 1681 1713 1956 1968 2284 2445 2460 2608 2855 3260 3280 3362 3426 3912 4568 4890 4920 5043 5710 6520 6683 6724 6852 7824 8405 8565 9136 9780 9840 10086 11420 13040 13366 13448 13704 16810 17130 19560 20049 20172 22840 23411 25215 26732 26896 27408 33415 33620 34260 39120 40098 40344 45680 46822 50430 53464 66830 67240 68520 70233 80196 80688 93073 93644 100245 100860 106928 117055 133660 134480 137040 140466 160392 186146 187288 200490 201720 234110 267320 274003 279219 280932 320784 326041 351165 372292 374576 400980 403440 465365 468220 534640 548006 558438 561864 652082 702330 744584 801960 822009 930730 936440 959851 978123 1096012 1116876 1123728 1304164 1370015 1396095 1404660 1489168 1603920 1630205 1644018 1861460 1872880 1919702 1956246 2192024 2233752 2608328 2740030 2792190 2809320 2879553 3260410 3288036 3722920 3815993 3839404 3912492 4110045 4384048 4467504 4799255 4890615 5216656 5480060 5584380 5618640 5759106 6520820 6576072 7445840 7631986 7678808 7824984 8220090 9598510 9781230 10960120 11168760 11447979 11518212 13041640 13152144 13367681 14397765 15263972 15357616 15649968 16440180 19079965 19197020 19562460 21920240 22337520 22895958 23036424 26083280 26735362 28795530 30527944 32880360 38159930 38394040 39124920 40103043 45791916 46072848 53144683 53470724 57239895 57591060 61055888 65760720 66838405 76319860 76788080 78249840 80206086 91583832 106289366 106941448 114479790 115182120 133676810 152639720 156455713 159434049 160412172 183167664 200515215 212578732 213882896 228959580 230364240 265723415 267353620 305279440 312911426 318868098 320824344 401030430 425157464 457919160 469367139 531446830 534707240 548074921 625822852 637736196 641648688 782278565 797170245 802060860 850314928 915838320 938734278 1062893660 1069414480 1096149842 1251645704 1275472392 1564557130 1594340490 1604121720 1644224763 1877468556 2125787320 2178932003 2192299684 2346835695 2503291408 2550944784 2740374605 3129114260 3188680980 3208243440 3288449526 3754937112 4251574640 4357864006 4384599368 4693671390 5480749210 6258228520 6377361960 6536796009 6576899052 7509874224 8221123815 8715728012 8769198736 9387342780 10894660015 10961498420 12516457040 12754723920 13073592018 13153798104 16442247630 17431456024 18774685560 21789320030 21922996840 26147184036 26307596208 32683980045 32884495260 34862912048 37549371120 43578640060 43845993680 52294368072 65367960090 65768990520 87157280120 89336212123 104588736144 130735920180 131537981040 174314560240 178672424246 261471840360 268008636369 357344848492 446681060615 522943680720 536017272738 714689696984 893362121230 1072034545476 1340043181845 1429379393968 1786724242460 2144069090952 2680086363690 3573448484920 4288138181904 5360172727380 7146896969840 10720345454760 21440690909520
• Sum of all divisors σ(n): 68665016345184
• Sum of proper divisors (its aliquot sum) s(n): 47224325435664
• 21440690909520 is an abundant number, because the sum of its proper divisors (47224325435664) is greater than itself. Its abundance is 25783634526144

Bases of 21440690909520

• Binary: 100111000000000001100110000111111000101010000₂
• Hexadecimal: 0x13800CC3F150
• Base-36: 7LLPTS9QO

Squares and roots of 21440690909520

• 21440690909520 squared (21440690909520²) is 459703226677573564826630400
• 21440690909520 cubed (21440690909520³) is 9856354793302863483429394832092881408000
• The square root of 21440690909520 is 4630409.3673799513
• The cube root of 21440690909520 is 27780.8966412349

Scales and comparisons

• 21,440,690,909,520 seconds is equal to 681,747 years, 33 weeks, 5 days, 18 hours, 52 minutes.
• To count from 1 to 21,440,690,909,520 would take you about one million, seven hundred four thousand, three hundred sixty-nine 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 21440690909520 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21440690909520

• 21440690909520 backwards is 02590909604412
• The number of decimal digits it has is: 14
• The sum of 21440690909520's digits is 51
• More coming soon!