21126256704

Names of 21126256704

• Cardinal: 21126256704 can be written as Twenty-one billion, one hundred twenty-six million, two hundred fifty-six thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1126256704 × 10¹⁰

Factors of 21126256704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 9253

Divisors of 21126256704

• Number of divisors d(n): 294
• 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 81 84 96 98 108 112 126 144 147 162 168 189 192 196 216 224 243 252 288 294 324 336 378 392 432 441 448 486 504 567 576 588 648 672 729 756 784 864 882 972 1008 1134 1176 1296 1323 1344 1458 1512 1568 1701 1728 1764 1944 2016 2268 2352 2592 2646 2916 3024 3136 3402 3528 3888 3969 4032 4536 4704 5103 5184 5292 5832 6048 6804 7056 7776 7938 9072 9241 9408 10206 10584 11664 11907 12096 13608 14112 15552 15876 18144 18482 20412 21168 23328 23814 27216 27723 28224 31752 35721 36288 36964 40824 42336 46656 47628 54432 55446 63504 64687 71442 73928 81648 83169 84672 95256 108864 110892 127008 129374 142884 147856 163296 166338 190512 194061 221784 249507 254016 258748 285768 295712 326592 332676 381024 388122 443568 452809 499014 517496 571536 582183 591424 665352 748521 762048 776244 887136 905618 998028 1034992 1143072 1164366 1330704 1358427 1497042 1552488 1746549 1774272 1811236 1996056 2069984 2245563 2286144 2328732 2661408 2716854 2994084 3104976 3493098 3622472 3992112 4075281 4139968 4491126 4657464 5239647 5322816 5433708 5988168 6209952 6736689 6986196 7244944 7984224 8150562 8982252 9314928 10479294 10867416 11976336 12225843 12419904 13473378 13972392 14489888 15718941 15968448 16301124 17964504 18629856 20958588 21734832 23952672 24451686 26946756 27944784 28979776 31437882 32602248 35929008 36677529 37259712 41917176 43469664 47156823 47905344 48903372 53893512 55889568 62875764 65204496 71858016 73355058 83834352 86939328 94313646 97806744 107787024 110032587 111779136 125751528 130408992 143716032 146710116 167668704 188627292 195613488 215574048 220065174 251503056 260817984 293420232 330097761 335337408 377254584 391226976 431148096 440130348 503006112 586840464 660195522 754509168 782453952 880260696 1006012224 1173680928 1320391044 1509018336 1760521392 2347361856 2640782088 3018036672 3521042784 5281564176 7042085568 10563128352 21126256704
• Sum of all divisors σ(n): 73124801934
• Sum of proper divisors (its aliquot sum) s(n): 51998545230
• 21126256704 is an abundant number, because the sum of its proper divisors (51998545230) is greater than itself. Its abundance is 30872288526

Bases of 21126256704

• Binary: 10011101011001110010001100001000000₂
• Hexadecimal: 0x4EB391840
• Base-36: 9PE1000

Squares and roots of 21126256704

• 21126256704 squared (21126256704²) is 446318722323304943616
• 21126256704 cubed (21126256704³) is 9429043899603435520503862001664
• The square root of 21126256704 is 145348.7416663797
• The cube root of 21126256704 is 2764.4422225843

Scales and comparisons

• 21,126,256,704 seconds is equal to 671 years, 38 weeks, 6 days, 20 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,126,256,704 would take you about one thousand, three hundred forty-three 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 21126256704 cubic inches would be around 230.4 feet tall.

Recreational maths with 21126256704

• 21126256704 backwards is 40765262112
• 21126256704 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21126256704's digits is 36
• More coming soon!