21067518635904

Names of 21067518635904

• Cardinal: 21067518635904 can be written as Twenty-one trillion, sixty-seven billion, five hundred eighteen million, six hundred thirty-five thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1067518635904 × 10¹³

Factors of 21067518635904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 248250396

Divisors of 21067518635904

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 128 136 156 192 204 208 221 272 312 384 408 416 442 544 624 663 816 832 884 1088 1248 1326 1632 1664 1768 2176 2496 2652 3264 3536 4992 5304 6528 7072 10608 14144 21216 28288 42432 84864 248250361 496500722 744751083 993001444 1489502166 1986002888 2979004332 3227254693 3972005776 4220256137 5958008664 6454509386 7944011552 8440512274 9681764079 11916017328 12660768411 12909018772 15888023104 16881024548 19363528158 23832034656 25321536822 25818037544 31776046208 33762049096 38727056316 47664069312 50643073644 51636075088 54863329781 67524098192 77454112632 95328138624 101286147288 103272150176 109726659562 135048196384 154908225264 164589989343 202572294576 206544300352 219453319124 270096392768 309816450528 329179978686 405144589152 413088600704 438906638248 540192785536 619632901056 658359957372 810289178304 877813276496 1239265802112 1316719914744 1620578356608 1755626552992 2633439829488 3511253105984 5266879658976 7022506211968 10533759317952 21067518635904
• Sum of all divisors σ(n): 63810273048480
• Sum of proper divisors (its aliquot sum) s(n): 42742754412576
• 21067518635904 is an abundant number, because the sum of its proper divisors (42742754412576) is greater than itself. Its abundance is 21675235776672

Bases of 21067518635904

• Binary: 100110010100100101001111101101110111110000000₂
• Hexadecimal: 0x132929F6EF80
• Base-36: 7GUA8NCLC

Squares and roots of 21067518635904

• 21067518635904 squared (21067518635904²) is 443840341474162336917897216
• 21067518635904 cubed (21067518635904³) is 9350614665372910072725590815668399243264
• The square root of 21067518635904 is 4589936.6701408855
• The cube root of 21067518635904 is 27618.7781944873

Scales and comparisons

• 21,067,518,635,904 seconds is equal to 669,881 years, 48 weeks, 1 day, 5 hours, 58 minutes, 24 seconds.
• To count from 1 to 21,067,518,635,904 would take you about one million, six hundred seventy-four thousand, seven hundred four 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 21067518635904 cubic inches would be around 2301.6 feet tall.

Recreational maths with 21067518635904

• 21067518635904 backwards is 40953681576012
• The number of decimal digits it has is: 14
• The sum of 21067518635904's digits is 57
• More coming soon!