21285006078144

Names of 21285006078144

• Cardinal: 21285006078144 can be written as Twenty-one trillion, two hundred eighty-five billion, six million, seventy-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1285006078144 × 10¹³

Factors of 21285006078144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1845

Divisors of 21285006078144

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 73 96 97 103 146 192 194 206 219 291 292 309 388 412 438 582 584 618 776 824 876 1164 1168 1236 1552 1567 1648 1752 2328 2336 2472 3104 3134 3296 3504 4656 4672 4701 4944 6208 6268 6592 7008 7081 7519 9312 9402 9409 9888 9991 12536 14016 14162 15038 18624 18804 18818 19776 19982 21243 22557 25072 28227 28324 29973 30076 37608 37636 39964 42486 45114 50144 56454 56648 59946 60152 75216 75272 79928 84972 90228 100288 112908 113296 114391 119892 120304 150432 150544 151999 159856 161401 169944 180456 225816 226592 228782 239784 240608 300864 301088 303998 319712 322802 339888 343173 360912 451632 453184 455997 457564 479568 481216 484203 602176 607996 639424 645604 679776 686346 686857 721824 729343 903264 911994 915128 959136 968406 969127 1215992 1291208 1359552 1372692 1373714 1443648 1458686 1806528 1823988 1830256 1918272 1936812 1938254 2060571 2188029 2431984 2582416 2745384 2747428 2907381 2917372 3647976 3660512 3873624 3876508 4121142 4376058 4863968 5164832 5490768 5494856 5814762 5834744 7295952 7321024 7747248 7753016 8242284 8752116 9727936 10329664 10981536 10989712 11095927 11629524 11669488 11782273 14591904 14743903 15494496 15506032 15655897 16484568 17504232 21963072 21979424 22191854 23259048 23338976 23564546 29183808 29487806 30988992 31012064 31311794 32969136 33287781 35008464 35346819 43958848 44231709 44383708 46518096 46677952 46967691 47129092 58975612 62024128 62623588 65938272 66575562 70016928 70693638 70746271 88463418 88767416 93036192 93935382 94258184 117951224 125247176 131876544 133151124 140033856 141387276 141492542 176926836 177534832 186072384 187870764 188516368 212238813 235902448 250494352 266302248 282774552 282985084 353853672 355069664 375741528 377032736 424477626 471804896 500988704 532604496 565549104 565970168 707707344 710139328 751483056 754065472 848955252 943609792 1001977408 1065208992 1076304919 1131098208 1131940336 1142880481 1415414688 1502966112 1518622009 1697910504 2130417984 2152609838 2262196416 2263880672 2285760962 2830829376 3005932224 3037244018 3228914757 3395821008 3428641443 4305219676 4527761344 4555866027 4571521924 6074488036 6457829514 6791642016 6857282886 8610439352 9111732054 9143043848 12148976072 12915659028 13583284032 13714565772 17220878704 18223464108 18286087696 24297952144 25831318056 27429131544 34441757408 36446928216 36572175392 48595904288 51662636112 54858263088 68883514816 72893856432 73144350784 97191808576 103325272224 109716526176 110859406657 145787712864 206650544448 219433052352 221718813314 291575425728 332578219971 443437626628 665156439942 886875253256 1330312879884 1773750506512 2660625759768 3547501013024 5321251519536 7095002026048 10642503039072 21285006078144
• Sum of all divisors σ(n): 58279836346368
• Sum of proper divisors (its aliquot sum) s(n): 36994830268224
• 21285006078144 is an abundant number, because the sum of its proper divisors (36994830268224) is greater than itself. Its abundance is 15709824190080

Bases of 21285006078144

• Binary: 100110101101111001101001110011111000011000000₂
• Hexadecimal: 0x135BCD39F0C0
• Base-36: 7JM73211C

Squares and roots of 21285006078144

• 21285006078144 squared (21285006078144²) is 453051483746627023834484736
• 21285006078144 cubed (21285006078144³) is 9643203585259113827975572763190391209984
• The square root of 21285006078144 is 4613567.6084938865
• The cube root of 21285006078144 is 27713.4924854871

Scales and comparisons

• 21,285,006,078,144 seconds is equal to 676,797 years, 18 weeks, 3 days, 22 minutes, 24 seconds.
• To count from 1 to 21,285,006,078,144 would take you about one million, six hundred ninety-one thousand, nine hundred ninety-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 21285006078144 cubic inches would be around 2309.5 feet tall.

Recreational maths with 21285006078144

• 21285006078144 backwards is 44187060058212
• 21285006078144 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21285006078144's digits is 48
• More coming soon!