21678031323

Names of 21678031323

• Cardinal: 21678031323 can be written as Twenty-one billion, six hundred seventy-eight million, thirty-one thousand, three hundred twenty-three.

Scientific notation

• Scientific notation: 2.1678031323 × 10¹⁰

Factors of 21678031323

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 233

Divisors of 21678031323

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 9 13 19 23 27 31 39 47 57 69 93 97 117 141 171 207 247 279 291 299 351 403 423 437 513 589 611 621 713 741 837 873 893 897 1081 1209 1261 1269 1311 1457 1767 1833 1843 2139 2223 2231 2619 2679 2691 3007 3243 3627 3783 3933 4371 4559 5301 5499 5529 5681 6417 6669 6693 7657 8037 8073 9021 9269 9729 10881 11349 11609 11799 13113 13547 13677 14053 15903 16497 16587 17043 18941 19251 20079 20539 22971 23959 24111 27063 27683 27807 29003 29187 33511 34047 34827 39091 39339 40641 41031 42159 42389 49761 51129 56823 57133 59267 60237 61617 68913 69161 71877 81189 83049 83421 86621 87009 100533 104481 104857 117273 121923 123093 126477 127167 141329 153387 170469 171399 176111 177801 184851 206739 207483 215631 249147 250263 259863 261027 267007 301599 313443 314571 351819 359879 365769 379431 381501 423987 435643 511407 514197 528333 533403 551057 554553 622449 636709 646893 742729 747441 779589 783081 801021 899093 904797 943713 1055457 1079637 1126073 1144503 1271961 1306929 1314059 1363141 1542591 1584999 1600209 1653171 1837277 1867347 1910127 1992283 2228187 2338767 2403063 2685251 2697279 2831139 3238911 3250567 3378219 3815883 3920787 3942177 4089423 4754997 4959513 5511831 5730381 5976849 6684561 7209189 8055753 8091837 8277217 9716733 9751701 10134657 11762361 11826531 12268269 14878539 16535493 17082767 17191143 17930547 20053683 24167259 24275511 24831651 25899679 29255103 30403971 34908263 35479593 36804807 42257371 49606479 51248301 53791641 61760773 72501777 74494953 77699037 87765309 104724789 126772113 153744903 185282319 223484859 233097111 314174367 380316339 461234709 555846957 699291333 802890049 942523101 1140949017 1667540871 2408670147 7226010441 21678031323
• Sum of all divisors σ(n): 40461926400
• Sum of proper divisors (its aliquot sum) s(n): 18783895077
• 21678031323 is a deficient number, because the sum of its proper divisors (18783895077) is less than itself. Its deficiency is 2894136246

Bases of 21678031323

• Binary: 10100001100000111001000000111011011₂
• Hexadecimal: 0x50C1C81DB
• Base-36: 9YIJG0R

Squares and roots of 21678031323

• 21678031323 squared (21678031323²) is 469937042040969130329
• 21678031323 cubed (21678031323³) is 10187309917202096656548131295267
• The square root of 21678031323 is 147234.6131960821
• The cube root of 21678031323 is 2788.3028746773

Scales and comparisons

• 21,678,031,323 seconds is equal to 689 years, 15 weeks, 2 days, 3 hours, 22 minutes, 3 seconds.
• To count from 1 to 21,678,031,323 would take you about one thousand, three hundred seventy-eight 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 21678031323 cubic inches would be around 232.4 feet tall.

Recreational maths with 21678031323

• 21678031323 backwards is 32313087612
• The number of decimal digits it has is: 11
• The sum of 21678031323's digits is 36
• More coming soon!