21223206144

Names of 21223206144

• Cardinal: 21223206144 can be written as Twenty-one billion, two hundred twenty-three million, two hundred six thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1223206144 × 10¹⁰

Factors of 21223206144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 516

Divisors of 21223206144

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 189 192 196 216 223 224 252 256 281 288 294 336 378 384 392 432 441 446 448 504 562 576 588 669 672 756 768 784 843 864 882 892 896 1008 1124 1152 1176 1323 1338 1344 1512 1561 1568 1686 1728 1764 1784 1792 1967 2007 2016 2248 2304 2352 2529 2646 2676 2688 3024 3122 3136 3372 3456 3528 3568 3934 4014 4032 4496 4683 4704 5058 5292 5352 5376 5901 6021 6048 6244 6272 6744 6912 7056 7136 7587 7868 8028 8064 8992 9366 9408 10116 10584 10704 10927 11802 12042 12096 12488 12544 13488 13769 14049 14112 14272 15174 15736 16056 16128 17703 17984 18732 18816 20232 21168 21408 21854 23604 24084 24192 24976 26976 27538 28098 28224 28544 30348 31472 32112 32781 35406 35968 37464 37632 40464 41307 42147 42336 42816 43708 47208 48168 48384 49952 53109 53952 55076 56196 56448 57088 60696 62663 62944 64224 65562 70812 71936 74928 80928 82614 84294 84672 85632 87416 94416 96336 98343 99904 106218 107904 110152 112392 112896 121392 123921 125326 125888 128448 131124 141624 149856 161856 165228 168588 169344 171264 174832 187989 188832 192672 196686 199808 212436 215808 220304 224784 242784 247842 250652 251776 256896 262248 283248 295029 299712 323712 330456 337176 338688 349664 371763 375978 377664 385344 393372 399616 424872 438641 440608 449568 485568 495684 501304 503552 513792 524496 563967 566496 590058 599424 647424 660912 674352 699328 743526 751956 755328 770688 786744 849744 877282 881216 899136 971136 991368 1002608 1048992 1127934 1132992 1180116 1198848 1315923 1321824 1348704 1398656 1487052 1503912 1510656 1541376 1573488 1691901 1699488 1754564 1762432 1798272 1942272 1982736 2005216 2097984 2255868 2265984 2360232 2631846 2643648 2697408 2797312 2974104 3007824 3070487 3146976 3383802 3398976 3509128 3524864 3596544 3947769 3965472 4010432 4195968 4511736 4531968 4720464 5263692 5287296 5394816 5948208 6015648 6140974 6293952 6767604 6797952 7018256 7895538 7930944 8020864 8391936 9023472 9211461 9440928 10527384 10574592 10789632 11843307 11896416 12031296 12281948 12587904 13535208 13595904 14036512 15791076 15861888 16041728 18046944 18422922 18881856 21054768 23686614 23792832 24062592 24563896 25175808 27070416 27634383 28073024 31582152 31723776 36093888 36845844 37763712 42109536 47373228 47585664 48125184 49127792 54140832 55268766 56146048 63164304 72187776 73691688 75527424 82903149 84219072 94746456 95171328 98255584 108281664 110537532 112292096 126328608 144375552 147383376 165806298 168438144 189492912 196511168 216563328 221075064 252657216 294766752 331612596 336876288 378985824 393022336 433126656 442150128 505314432 589533504 663225192 757971648 786044672 884300256 1010628864 1179067008 1326450384 1515943296 1768600512 2358134016 2652900768 3031886592 3537201024 5305801536 7074402048 10611603072 21223206144
• Sum of all divisors σ(n): 73595773440
• Sum of proper divisors (its aliquot sum) s(n): 52372567296
• 21223206144 is an abundant number, because the sum of its proper divisors (52372567296) is greater than itself. Its abundance is 31149361152

Bases of 21223206144

• Binary: 10011110001000000000110110100000000₂
• Hexadecimal: 0x4F1006D00
• Base-36: 9QZQYO0

Squares and roots of 21223206144

• 21223206144 squared (21223206144²) is 450424479030719348736
• 21223206144 cubed (21223206144³) is 9559451570772762046833553833984
• The square root of 21223206144 is 145681.8662153941
• The cube root of 21223206144 is 2768.6644912529

Scales and comparisons

• 21,223,206,144 seconds is equal to 674 years, 43 weeks, 1 day, 23 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,223,206,144 would take you about one thousand, three hundred forty-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 21223206144 cubic inches would be around 230.7 feet tall.

Recreational maths with 21223206144

• 21223206144 backwards is 44160232212
• 21223206144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21223206144's digits is 27
• More coming soon!