21290449683321

Names of 21290449683321

• Cardinal: 21290449683321 can be written as Twenty-one trillion, two hundred ninety billion, four hundred forty-nine million, six hundred eighty-three thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 2.1290449683321 × 10¹³

Factors of 21290449683321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 433

Divisors of 21290449683321

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 13 21 39 49 63 91 97 117 147 169 273 291 313 441 507 637 679 819 873 939 1183 1261 1521 1911 2037 2191 2817 3549 3783 4069 4753 5733 6111 6573 8281 8827 9409 10647 11349 12207 14259 15337 16393 19719 24843 26481 28227 28483 30361 36621 42777 46011 49179 52897 61789 65863 74529 79443 84681 85449 91083 114751 122317 138033 147537 158691 185367 197589 199381 212527 256347 273249 344253 366951 370279 394693 461041 476073 556101 592767 598143 637581 803257 856219 912673 1032759 1100853 1110837 1184079 1383123 1487689 1590121 1794429 1912743 2409771 2568657 2591953 2738019 2762851 2945017 3332511 3552237 4149369 4463067 4770363 5131009 5993533 6388711 7229313 7705971 7775859 8214057 8288553 8835051 11130847 11864749 13389201 14311089 15393027 17980599 19166133 19339957 20615119 23327577 24865659 26505153 33392541 35594247 35917063 38285221 44720977 46179081 53941797 57498399 58019871 61845357 77915929 83053243 100177623 106782741 107751189 114855663 134162931 144305833 154241737 174059613 185536071 233747787 249159729 251419441 267996547 285666649 323253567 344566989 402488793 432917499 462725211 497707873 581372701 701243361 747479187 754258323 803989641 856999947 1079692159 1298752497 1388175633 1493123619 1744118103 1875975829 1999666543 2262774969 2411968923 2570999841 3239076477 3483955111 3713666437 4479370857 5232354309 5627927487 5998999629 7557845113 9717229431 10451865333 11140999311 13997665801 16883782461 17996998887 22673535339 24387685777 25995665059 31355595999 33422997933 41992997403 48277663681 68020606017 73163057331 77986995177 125978992209 144832991043 181969655413 219489171993 233960985531 337943645767 434498973129 545908966239 1013830937301 1637726898717 2365605520369 3041492811903 7096816561107 21290449683321
• Sum of all divisors σ(n): 39265817605560
• Sum of proper divisors (its aliquot sum) s(n): 17975367922239
• 21290449683321 is a deficient number, because the sum of its proper divisors (17975367922239) is less than itself. Its deficiency is 3315081761082

Bases of 21290449683321

• Binary: 100110101110100010001101100001100001101111001₂
• Hexadecimal: 0x135D11B0C379
• Base-36: 7JOP41DO9

Squares and roots of 21290449683321

• 21290449683321 squared (21290449683321²) is 453283247718023269185589041
• 21290449683321 cubed (21290449683321³) is 9650604177832902907336433335535298085161
• The square root of 21290449683321 is 4614157.5269295911
• The cube root of 21290449683321 is 27715.8548440977

Scales and comparisons

• 21,290,449,683,321 seconds is equal to 676,970 years, 23 weeks, 16 hours, 55 minutes, 21 seconds.
• To count from 1 to 21,290,449,683,321 would take you about one million, six hundred ninety-two thousand, four hundred twenty-six 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 21290449683321 cubic inches would be around 2309.7 feet tall.

Recreational maths with 21290449683321

• 21290449683321 backwards is 12338694409212
• The number of decimal digits it has is: 14
• The sum of 21290449683321's digits is 54
• More coming soon!