21284308797440

Names of 21284308797440

• Cardinal: 21284308797440 can be written as Twenty-one trillion, two hundred eighty-four billion, three hundred eight million, seven hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.128430879744 × 10¹³

Factors of 21284308797440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 70959

Divisors of 21284308797440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 37 40 52 61 64 65 74 80 104 122 128 130 148 160 185 208 244 256 260 296 305 320 370 416 481 488 512 520 592 610 640 740 793 832 962 976 1024 1040 1184 1220 1280 1480 1586 1664 1924 1952 2048 2080 2257 2368 2405 2440 2560 2960 3172 3328 3848 3904 3965 4160 4514 4736 4810 4880 5120 5920 6344 6656 7696 7808 7930 8320 9028 9472 9620 9760 10240 11285 11840 12688 13312 15392 15616 15860 16640 18056 18944 19240 19520 22570 23680 25376 26624 29341 30784 31232 31720 33280 36112 37888 38480 39040 45140 47360 50752 58682 61568 62464 63440 66560 70841 72224 75776 76960 78080 90280 94720 101504 117364 123136 124928 126880 133120 141682 144448 146705 153920 156160 180560 189440 203008 234728 246272 253760 283364 288896 293410 307840 312320 354205 361120 378880 406016 469456 492544 507520 566728 577792 586820 615680 624640 708410 722240 812032 920933 938912 985088 1015040 1133456 1155584 1173640 1231360 1416820 1444480 1624064 1841866 1877824 2030080 2266912 2311168 2347280 2462720 2621117 2833640 2888960 3683732 3755648 4060160 4321301 4533824 4604665 4622336 4694560 4925440 5242234 5667280 5777920 7367464 7511296 8120320 8642602 9067648 9209330 9389120 10484468 11334560 11555840 13105585 14734928 15022592 17285204 18135296 18418660 18778240 20968936 21606505 22669120 23111680 26211170 29469856 30045184 34074521 34570408 36270592 36837320 37556480 41937872 43213010 45338240 52422340 56176913 58939712 60090368 68149042 69140816 72541184 73674640 75112960 83875744 86426020 90676480 104844680 112353826 117879424 136298084 138281632 145082368 147349280 150225920 159888137 167751488 170372605 172852040 181352960 209689360 224707652 235758848 272596168 276563264 280884565 294698560 300451840 319776274 335502976 340745210 345704080 362705920 419378720 449415304 471517696 545192336 553126528 561769130 589397120 639552548 671005952 681490420 691408160 725411840 799440685 838757440 898830608 943035392 1090384672 1106253056 1123538260 1178794240 1279105096 1342011904 1362980840 1382816320 1598881370 1677514880 1797661216 1886070784 2078545781 2180769344 2212506112 2247076520 2357588480 2558210192 2684023808 2725961680 2765632640 3197762740 3355029760 3595322432 4157091562 4361538688 4425012224 4494153040 4715176960 5116420384 5368047616 5451923360 5531265280 6395525480 6710059520 7190644864 8314183124 8723077376 8850024448 8988306080 9430353920 10232840768 10392728905 10903846720 11062530560 12791050960 13420119040 14381289728 16628366248 17446154752 17976612160 20465681536 20785457810 21807693440 22125061120 25582101920 26840238080 28762579456 33256732496 34892309504 35953224320 40931363072 41570915620 43615386880 44250122240 51164203840 57525158912 66513464992 69784619008 71906448640 81862726144 83141831240 87230773760 102328407680 115050317824 133026929984 143812897280 163725452288 166283662480 174461547520 204656815360 266053859968 287625794560 327450904576 332567324960 348923095040 409313630720 532107719936 575251589120 665134649920 818627261440 1064215439872 1330269299840 1637254522880 2128430879744 2660538599680 4256861759488 5321077199360 10642154398720 21284308797440
• Sum of all divisors σ(n): 57411552612960
• Sum of proper divisors (its aliquot sum) s(n): 36127243815520
• 21284308797440 is an abundant number, because the sum of its proper divisors (36127243815520) is greater than itself. Its abundance is 14842935018080

Bases of 21284308797440

• Binary: 100110101101110100011101010100100100000000000₂
• Hexadecimal: 0x135BA3AA4800
• Base-36: 7JLVJWVSW

Squares and roots of 21284308797440

• 21284308797440 squared (21284308797440²) is 453021800984781778950553600
• 21284308797440 cubed (21284308797440³) is 9642255904132503673275881399238262784000
• The square root of 21284308797440 is 4613492.0393818823
• The cube root of 21284308797440 is 27713.1898578299

Scales and comparisons

• 21,284,308,797,440 seconds is equal to 676,775 years, 9 weeks, 3 days, 15 hours, 17 minutes, 20 seconds.
• To count from 1 to 21,284,308,797,440 would take you about one million, six hundred ninety-one thousand, nine hundred thirty-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 21284308797440 cubic inches would be around 2309.4 feet tall.

Recreational maths with 21284308797440

• 21284308797440 backwards is 04479780348212
• The number of decimal digits it has is: 14
• The sum of 21284308797440's digits is 59
• More coming soon!