21289909032

Names of 21289909032

• Cardinal: 21289909032 can be written as Twenty-one billion, two hundred eighty-nine million, nine hundred nine thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1289909032 × 10¹⁰

Factors of 21289909032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3049

Divisors of 21289909032

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 56 57 63 72 76 84 114 126 133 152 168 171 228 252 266 342 399 456 504 532 684 798 1064 1197 1277 1368 1596 1741 2394 2554 3192 3482 3831 4788 5108 5223 6964 7662 8939 9576 10216 10446 11493 12187 13928 15324 15669 17878 20892 22986 24263 24374 26817 30648 31338 33079 35756 36561 41784 45972 48526 48748 53634 62676 66158 71512 72789 73122 80451 91944 97052 97496 99237 107268 109683 125352 132316 145578 146244 160902 169841 194104 198474 214536 218367 219366 231553 264632 291156 292488 297711 321804 339682 396948 436734 438732 463106 509523 582312 595422 643608 679364 694659 793896 873468 877464 926212 1019046 1190844 1358728 1389318 1528569 1746936 1852424 2038092 2083977 2223257 2381688 2778636 3057138 4076184 4167954 4446514 5557272 6114276 6669771 8335908 8893028 12228552 13339542 15562799 16671816 17786056 20009313 26679084 31125598 40018626 42241883 46688397 53358168 62251196 80037252 84483766 93376794 124502392 126725649 140065191 160074504 168967532 186753588 253451298 280130382 295693181 337935064 373507176 380176947 506902596 560260764 591386362 760353894 887079543 1013805192 1120521528 1182772724 1520707788 1774159086 2365545448 2661238629 3041415576 3548318172 5322477258 7096636344 10644954516 21289909032
• Sum of all divisors σ(n): 69459811200
• Sum of proper divisors (its aliquot sum) s(n): 48169902168
• 21289909032 is an abundant number, because the sum of its proper divisors (48169902168) is greater than itself. Its abundance is 26879993136

Bases of 21289909032

• Binary: 10011110100111110100011101100101000₂
• Hexadecimal: 0x4F4FA3B28
• Base-36: 9S3GMY0

Squares and roots of 21289909032

• 21289909032 squared (21289909032²) is 453260226590835177024
• 21289909032 cubed (21289909032³) is 9649868991942588403746576480768
• The square root of 21289909032 is 145910.6200110191
• The cube root of 21289909032 is 2771.5620235927

Scales and comparisons

• 21,289,909,032 seconds is equal to 676 years, 49 weeks, 3 days, 23 hours, 37 minutes, 12 seconds.
• To count from 1 to 21,289,909,032 would take you about one thousand, three hundred fifty-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 21289909032 cubic inches would be around 231 feet tall.

Recreational maths with 21289909032

• 21289909032 backwards is 23090998212
• The number of decimal digits it has is: 11
• The sum of 21289909032's digits is 45
• More coming soon!