21354187631224

Names of 21354187631224

• Cardinal: 21354187631224 can be written as Twenty-one trillion, three hundred fifty-four billion, one hundred eighty-seven million, six hundred thirty-one thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 2.1354187631224 × 10¹³

Factors of 21354187631224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1260

Divisors of 21354187631224

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 23 28 41 46 49 56 82 92 98 161 164 184 196 287 322 328 392 574 644 943 1127 1148 1187 1288 1681 1886 2009 2254 2296 2374 3362 3772 4018 4508 4748 6601 6724 7544 8036 8309 9016 9496 11767 13202 13448 16072 16618 23534 26404 27301 33236 38663 46207 47068 48667 52808 54602 58163 66472 77326 82369 92414 94136 97334 109204 116326 154652 164738 184828 191107 194668 218408 232652 270641 309304 329476 340669 369656 382214 389336 465304 541282 658952 681338 764428 1082564 1119341 1337749 1362676 1408969 1528856 1894487 1995347 2165128 2238682 2384683 2675498 2725352 2817938 3788974 3990694 4477364 4769366 5350996 5635876 7577948 7835387 7981388 8954728 9538732 9862783 10701992 11271752 13967429 15155896 15670774 15962776 19077464 19725566 27934858 31341548 32406287 39451132 45892981 54847709 55869716 57767729 62683096 64812574 69039481 78902264 91785962 97772003 109695418 111739432 115535458 129625148 138078962 183571924 195544006 219390836 226844009 231070916 259250296 276157924 321250867 367143848 391088012 404374103 438781672 453688018 462141832 552315848 642501734 782176024 808748206 907376036 1285003468 1328657767 1587908063 1617496412 1814752072 2248756069 2368476889 2570006936 2657315534 2830618721 3175816126 3234992824 4497512138 4736953778 5314631068 5661237442 6351632252 8995024276 9300604369 9473907556 10629262136 11322474884 12703264504 16579338223 17990048552 18601208738 18947815112 22644949768 33158676446 37202417476 54474968447 65104230583 66317352892 74404834952 108949936894 116055367561 130208461166 132634705784 217899873788 232110735122 260416922332 381324779129 435799747576 464221470244 520833844664 762649558258 928442940488 1525299116516 2669273453903 3050598233032 5338546907806 10677093815612 21354187631224
• Sum of all divisors σ(n): 49857454485720
• Sum of proper divisors (its aliquot sum) s(n): 28503266854496
• 21354187631224 is an abundant number, because the sum of its proper divisors (28503266854496) is greater than itself. Its abundance is 7149079223272

Bases of 21354187631224

• Binary: 100110110101111101000110001001010101001111000₂
• Hexadecimal: 0x136BE8C4AA78
• Base-36: 7KHZ7YT14

Squares and roots of 21354187631224

• 21354187631224 squared (21354187631224²) is 456001329389520068219738176
• 21354187631224 cubed (21354187631224³) is 9737537947871390519587461643278922407424
• The square root of 21354187631224 is 4621059.1460426039
• The cube root of 21354187631224 is 27743.4852574585

Scales and comparisons

• 21,354,187,631,224 seconds is equal to 678,997 years, 5 weeks, 6 days, 10 hours, 27 minutes, 4 seconds.
• To count from 1 to 21,354,187,631,224 would take you about one million, six hundred ninety-seven thousand, four hundred ninety-two 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 21354187631224 cubic inches would be around 2312 feet tall.

Recreational maths with 21354187631224

• 21354187631224 backwards is 42213678145312
• 21354187631224 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21354187631224's digits is 49
• More coming soon!