21707268848640

Names of 21707268848640

• Cardinal: 21707268848640 can be written as Twenty-one trillion, seven hundred seven billion, two hundred sixty-eight million, eight hundred forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.170726884864 × 10¹³

Factors of 21707268848640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 4187

Divisors of 21707268848640

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 640 648 720 768 810 864 960 972 1024 1080 1152 1215 1280 1296 1440 1536 1620 1728 1920 1944 2160 2304 2430 2560 2592 2880 3072 3240 3456 3840 3888 4177 4320 4608 4860 5120 5184 5760 6480 6912 7680 7776 8354 8640 9216 9720 10368 11520 12531 12960 13824 15360 15552 16708 17280 19440 20736 20885 23040 25062 25920 27648 31104 33416 34560 37593 38880 41472 41770 46080 50124 51840 62208 62655 66832 69120 75186 77760 82944 83540 100248 103680 112779 124416 125310 133664 138240 150372 155520 167080 187965 200496 207360 225558 248832 250620 267328 300744 311040 334160 338337 375930 400992 414720 451116 501240 534656 563895 601488 622080 668320 676674 751860 801984 902232 1002480 1015011 1069312 1127790 1202976 1244160 1336640 1353348 1503720 1603968 1691685 1804464 2004960 2030022 2138624 2255580 2405952 2673280 2706696 3007440 3207936 3383370 3608928 4009920 4060044 4277248 4511160 4811904 5075055 5346560 5413392 6014880 6415872 6766740 7217856 8019840 8120088 9022320 9623808 10150110 10693120 10826784 12029760 12831744 13533480 14435712 16039680 16240176 17447329 18044640 19247616 20300220 21386240 21653568 24059520 27066960 28871424 32079360 32480352 34894658 36089280 38495232 40600440 43307136 48119040 52341987 54133920 57742848 64158720 64960704 69789316 72178560 81200880 86614272 87236645 96238080 104683974 108267840 115485696 129921408 139578632 144357120 157025961 162401760 173228544 174473290 192476160 209367948 216535680 259842816 261709935 279157264 288714240 314051922 324803520 346457088 348946580 418735896 433071360 471077883 519685632 523419870 558314528 577428480 628103844 649607040 697893160 785129805 837471792 866142720 942155766 1039371264 1046839740 1116629056 1256207688 1299214080 1395786320 1413233649 1570259610 1674943584 1732285440 1884311532 2093679480 2233258112 2355389415 2512415376 2598428160 2791572640 2826467298 3140519220 3349887168 3768623064 4187358960 4239700947 4466516224 4710778830 5024830752 5196856320 5583145280 5652934596 6281038440 6699774336 7066168245 7537246128 8374717920 8479401894 8933032448 9421557660 10049661504 11166290560 11305869192 12562076880 13399548672 14132336490 15074492256 16749435840 16958803788 17866064896 18843115320 20099323008 21198504735 22332581120 22611738384 25124153760 26799097344 28264672980 30148984512 33498871680 33917607576 37686230640 40198646016 42397009470 44665162240 45223476768 50248307520 53598194688 56529345960 60297969024 66997743360 67835215152 75372461280 80397292032 84794018940 89330324480 90446953536 100496615040 113058691920 120595938048 133995486720 135670430304 150744922560 160794584064 169588037880 180893907072 200993230080 226117383840 241191876096 267990973440 271340860608 301489845120 339176075760 361787814144 401986460160 452234767680 482383752192 542681721216 602979690240 678352151520 723575628288 803972920320 904469535360 1085363442432 1205959380480 1356704303040 1447151256576 1808939070720 2170726884864 2411918760960 2713408606080 3617878141440 4341453769728 5426817212160 7235756282880 10853634424320 21707268848640
• Sum of all divisors σ(n): 78019544866536
• Sum of proper divisors (its aliquot sum) s(n): 56312276017896
• 21707268848640 is an abundant number, because the sum of its proper divisors (56312276017896) is greater than itself. Its abundance is 34605007169256

Bases of 21707268848640

• Binary: 100111011111000011110000011000111110000000000₂
• Hexadecimal: 0x13BE1E0C7C00
• Base-36: 7P06JEO00

Squares and roots of 21707268848640

• 21707268848640 squared (21707268848640²) is 471205520867136551229849600
• 21707268848640 cubed (21707268848640³) is 10228584924426378738828837702592364544000
• The square root of 21707268848640 is 4659106.0138872135
• The cube root of 21707268848640 is 27895.5585521009

Scales and comparisons

• 21,707,268,848,640 seconds is equal to 690,224 years, 1 day, 14 hours, 24 minutes.
• To count from 1 to 21,707,268,848,640 would take you about one million, seven hundred twenty-five thousand, five hundred sixty 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 21707268848640 cubic inches would be around 2324.6 feet tall.

Recreational maths with 21707268848640

• 21707268848640 backwards is 04684886270712
• The number of decimal digits it has is: 14
• The sum of 21707268848640's digits is 63
• More coming soon!