21819084210

Names of 21819084210

• Cardinal: 21819084210 can be written as Twenty-one billion, eight hundred nineteen million, eighty-four thousand, two hundred ten.

Scientific notation

• Scientific notation: 2.181908421 × 10¹⁰

Factors of 21819084210

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10629

Divisors of 21819084210

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 81 90 99 105 110 121 126 135 154 162 165 189 198 210 231 242 243 270 297 315 330 363 378 385 405 462 486 495 567 594 605 630 693 726 770 810 847 891 945 990 1089 1134 1155 1210 1215 1386 1485 1694 1701 1782 1815 1890 2079 2178 2310 2430 2541 2673 2835 2970 3267 3402 3465 3630 4158 4235 4455 5082 5346 5445 5670 6237 6534 6930 7623 8470 8505 8910 9801 10395 10601 10890 12474 12705 13365 15246 16335 17010 18711 19602 20790 21202 22869 25410 26730 29403 31185 31803 32670 37422 38115 45738 49005 53005 58806 62370 63606 68607 74207 76230 93555 95409 98010 106010 114345 116611 137214 147015 148414 159015 187110 190818 205821 222621 228690 233222 286227 294030 318030 343035 349833 371035 411642 445242 477045 572454 583055 667863 686070 699666 742070 816277 858681 954090 1029105 1049499 1113105 1166110 1282721 1335726 1431135 1632554 1717362 1749165 2003589 2058210 2098998 2226210 2448831 2565442 2576043 2862270 3148497 3339315 3498330 3848163 4007178 4081385 4293405 4897662 5152086 5247495 6010767 6296994 6413605 6678630 7346493 7696326 8162770 8586810 8979047 9445491 10017945 10494990 11544489 12021534 12244155 12827210 12880215 14692986 15742485 17958094 18032301 18890982 19240815 20035890 22039479 23088978 24488310 25760430 26937141 28336473 30053835 31484970 34633467 36064602 36732465 38481630 44078958 44895235 47227455 53874282 56672946 57722445 60107670 66118437 69266934 73464930 80811423 89790470 90161505 94454910 103900401 110197395 115444890 132236874 134685705 141682365 161622846 173167335 180323010 198355311 207800802 220394790 242434269 269371410 283364730 311701203 330592185 346334670 396710622 404057115 484868538 519502005 623402406 661184370 727302807 808114230 991776555 1039004010 1212171345 1454605614 1558506015 1983553110 2181908421 2424342690 3117012030 3636514035 4363816842 7273028070 10909542105 21819084210
• Sum of all divisors σ(n): 73910019456
• Sum of proper divisors (its aliquot sum) s(n): 52090935246
• 21819084210 is an abundant number, because the sum of its proper divisors (52090935246) is greater than itself. Its abundance is 30271851036

Bases of 21819084210

• Binary: 10100010100100001001100110110110010₂
• Hexadecimal: 0x51484CDB2
• Base-36: A0UIP4I

Squares and roots of 21819084210

• 21819084210 squared (21819084210²) is 476072435763071324100
• 21819084210 cubed (21819084210³) is 10387464565974268828774102461000
• The square root of 21819084210 is 147712.8437543601
• The cube root of 21819084210 is 2794.3373742687

Scales and comparisons

• 21,819,084,210 seconds is equal to 693 years, 40 weeks, 3 days, 16 hours, 43 minutes, 30 seconds.
• To count from 1 to 21,819,084,210 would take you about one thousand, three hundred eighty-seven 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 21819084210 cubic inches would be around 232.9 feet tall.

Recreational maths with 21819084210

• 21819084210 backwards is 01248091812
• The number of decimal digits it has is: 11
• The sum of 21819084210's digits is 36
• More coming soon!