21449213744640

Names of 21449213744640

• Cardinal: 21449213744640 can be written as Twenty-one trillion, four hundred forty-nine billion, two hundred thirteen million, seven hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.144921374464 × 10¹³

Factors of 21449213744640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 460862

Divisors of 21449213744640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 29 30 32 33 38 40 44 48 55 57 58 60 64 66 76 80 87 88 95 96 110 114 116 120 128 132 145 152 160 165 174 176 190 192 209 220 228 232 240 256 264 285 290 304 319 320 330 348 352 380 384 418 435 440 456 464 480 512 528 551 570 580 608 627 638 640 660 696 704 760 768 836 870 880 912 928 957 960 1045 1056 1102 1140 1160 1216 1254 1276 1280 1320 1392 1408 1520 1536 1595 1653 1672 1740 1760 1824 1856 1914 1920 2090 2112 2204 2280 2320 2432 2508 2552 2560 2640 2755 2784 2816 3040 3135 3190 3306 3344 3480 3520 3648 3712 3828 3840 4180 4224 4408 4560 4640 4785 4864 5016 5104 5280 5510 5568 5632 6061 6080 6270 6380 6612 6688 6960 7040 7296 7424 7656 7680 8265 8360 8448 8816 9120 9280 9570 9728 10032 10208 10560 11020 11136 12122 12160 12540 12760 13224 13376 13920 14080 14592 14848 15312 16530 16720 16896 17632 18183 18240 18560 19140 20064 20416 21120 22040 22272 24244 24320 25080 25520 26448 26752 27840 28160 29184 30305 30624 33060 33440 35264 36366 36480 37120 38280 40128 40832 42240 44080 44544 48488 48640 50160 51040 52896 53504 55680 60610 61248 66120 66880 70528 72732 72960 74240 76560 80256 81664 84480 88160 90915 96976 100320 102080 105792 107008 111360 121220 122496 132240 133760 141056 145464 145920 153120 160512 163328 176320 181830 193952 200640 204160 211584 222720 242440 244992 264480 267520 282112 290928 306240 321024 352640 363660 387904 401280 408320 423168 460793 484880 489984 528960 535040 581856 612480 705280 727320 775808 802560 816640 846336 921586 969760 1057920 1163712 1224960 1382379 1410560 1454640 1551616 1605120 1843172 1939520 2115840 2303965 2327424 2449920 2764758 2909280 3103232 3686344 3879040 4231680 4607930 4654848 5068723 5529516 5818560 6911895 7372688 7758080 8755067 9215860 9309696 10137446 11059032 11637120 13362997 13823790 14745376 15206169 15516160 17510134 18431720 20274892 22118064 23274240 25343615 26265201 26725994 27647580 29490752 30412338 35020268 36863440 40088991 40549784 43775335 44236128 46548480 50687230 52530402 53451988 55295160 58981504 60824676 66814985 70040536 73726880 76030845 80177982 81099568 87550670 88472256 96305737 101374460 105060804 106903976 110590320 117963008 121649352 131326005 133629970 140081072 146992967 147453760 152061690 160355964 162199136 175101340 176944512 192611474 200444955 202748920 210121608 213807952 221180640 235926016 243298704 253896943 262652010 267259940 280162144 288917211 293985934 294907520 304123380 320711928 324398272 350202680 353889024 385222948 400889910 405497840 420243216 427615904 440978901 442361280 481528685 486597408 507793886 525304020 534519880 560324288 577834422 587971868 589815040 608246760 641423856 648796544 700405360 707778048 734964835 761690829 770445896 801779820 810995680 840486432 855231808 881957802 884722560 963057370 973194816 1015587772 1050608040 1069039760 1120648576 1155668844 1175943736 1179630080 1216493520 1269484715 1282847712 1297593088 1400810720 1444586055 1469929670 1523381658 1540891792 1603559640 1621991360 1680972864 1710463616 1763915604 1769445120 1926114740 1946389632 2031175544 2101216080 2138079520 2204894505 2241297152 2311337688 2351887472 2432987040 2538969430 2565695424 2595186176 2792866373 2801621440 2889172110 2939859340 3046763316 3081783584 3207119280 3243982720 3361945728 3420927232 3527831208 3538890240 3808454145 3852229480 3892779264 4062351088 4202432160 4276159040 4409789010 4482594304 4622675376 4703774944 4865974080 5077938860 5131390848 5585732746 5603242880 5778344220 5879718680 6093526632 6163567168 6414238560 6487965440 6723891456 6841854464 7055662416 7616908290 7704458960 7785558528 8124702176 8378599119 8404864320 8552318080 8819578020 9245350752 9407549888 9731948160 10155877720 10262781696 11171465492 11206485760 11556688440 11759437360 12187053264 12327134336 12828477120 12975930880 13447782912 13964331865 14111324832 15233816580 15408917920 16249404352 16757198238 16809728640 17104636160 17639156040 18490701504 18815099776 19463896320 20311755440 20525563392 22342930984 22412971520 23113376880 23518874720 24374106528 24654268672 25656954240 27928663730 28222649664 30467633160 30817835840 32498808704 33514396476 33619457280 34209272320 35278312080 36981403008 37630199552 38927792640 40623510880 41892995595 44685861968 46226753760 47037749440 48748213056 49308537344 51313908480 55857327460 56445299328 60935266320 61635671680 64997617408 67028792952 67238914560 70556624160 73962806016 75260399104 81247021760 83785991190 89371723936 92453507520 94075498880 97496426112 102627816960 111714654920 112890598656 121870532640 123271343360 129995234816 134057585904 141113248320 147925612032 162494043520 167571982380 178743447872 184907015040 188150997760 194992852224 223429309840 225781197312 243741065280 246542686720 268115171808 282226496640 324988087040 335143964760 357486895744 369814030080 376301995520 389985704448 446858619680 487482130560 536230343616 564452993280 649976174080 670287929520 714973791488 739628060160 893717239360 974964261120 1072460687232 1128905986560 1340575859040 1429947582976 1787434478720 1949928522240 2144921374464 2681151718080 3574868957440 4289842748928 5362303436160 7149737914880 10724606872320 21449213744640
• Sum of all divisors σ(n): 81456582873600
• Sum of proper divisors (its aliquot sum) s(n): 60007369128960
• 21449213744640 is an abundant number, because the sum of its proper divisors (60007369128960) is greater than itself. Its abundance is 38558155384320

Bases of 21449213744640

• Binary: 100111000001000001000110001000001011000000000₂
• Hexadecimal: 0x138208C41600
• Base-36: 7LPMS27EO

Squares and roots of 21449213744640

• 21449213744640 squared (21449213744640²) is 460068770263253491128729600
• 21449213744640 cubed (21449213744640³) is 9868113390610199293042811243902009344000
• The square root of 21449213744640 is 4631329.5871315399
• The cube root of 21449213744640 is 27784.5771917141

Scales and comparisons

• 21,449,213,744,640 seconds is equal to 682,018 years, 33 weeks, 5 days, 17 hours, 4 minutes.
• To count from 1 to 21,449,213,744,640 would take you about one million, seven hundred five thousand and forty-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 21449213744640 cubic inches would be around 2315.4 feet tall.

Recreational maths with 21449213744640

• 21449213744640 backwards is 04644731294412
• The number of decimal digits it has is: 14
• The sum of 21449213744640's digits is 51
• More coming soon!