21218448926736

Names of 21218448926736

• Cardinal: 21218448926736 can be written as Twenty-one trillion, two hundred eighteen billion, four hundred forty-eight million, nine hundred twenty-six thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1218448926736 × 10¹³

Factors of 21218448926736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 118978

Divisors of 21218448926736

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 103 108 144 206 216 309 412 432 618 824 927 1236 1648 1854 2472 2781 3708 4157 4944 5562 7416 8314 11124 12471 14832 16628 22248 24942 33256 37413 44496 49884 66512 74826 99768 112239 114713 149652 199536 224478 229426 299304 344139 428171 448956 458852 598608 688278 856342 897912 917704 1032417 1284513 1376556 1712684 1795824 1835408 2064834 2569026 2753112 3097251 3425368 3853539 4129668 5138052 5506224 6194502 6850736 7707078 8259336 10276104 11560617 11815439 12389004 15414156 16518672 20552208 23121234 23630878 24778008 30828312 35446317 46242468 47261756 49556016 61656624 70892634 92484936 94523512 106338951 141785268 184969872 189047024 212677902 283570536 319016853 425355804 476861941 567141072 638033706 850711608 953723882 1276067412 1430585823 1701423216 1907447764 2552134824 2861171646 3814895528 4291757469 5104269648 5722343292 7629791056 8583514938 11444686584 12875272407 17167029876 22889373168 25750544814 34334059752 49116779923 51501089628 68668119504 98233559846 103002179256 147350339769 196467119692 206004358512 294700679538 392934239384 442051019307 589401359076 785868478768 884102038614 1178802718152 1326153057921 1768204077228 2357605436304 2652306115842 3536408154456 5304612231684 7072816308912 10609224463368 21218448926736
• Sum of all divisors σ(n): 61511445515520
• Sum of proper divisors (its aliquot sum) s(n): 40292996588784
• 21218448926736 is an abundant number, because the sum of its proper divisors (40292996588784) is greater than itself. Its abundance is 19074547662048

Bases of 21218448926736

• Binary: 100110100110001001110000111000110100000010000₂
• Hexadecimal: 0x134C4E1C6810
• Base-36: 7IRMCNAC0

Squares and roots of 21218448926736

• 21218448926736 squared (21218448926736²) is 450222574856504110295613696
• 21218448926736 cubed (21218448926736³) is 9553024710256308058310936995579662176256
• The square root of 21218448926736 is 4606348.7630373799
• The cube root of 21218448926736 is 27684.5760886415

Scales and comparisons

• 21,218,448,926,736 seconds is equal to 674,681 years, 2 weeks, 1 day, 14 hours, 45 minutes, 36 seconds.
• To count from 1 to 21,218,448,926,736 would take you about one million, six hundred eighty-six thousand, seven hundred 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 21218448926736 cubic inches would be around 2307 feet tall.

Recreational maths with 21218448926736

• 21218448926736 backwards is 63762984481212
• The number of decimal digits it has is: 14
• The sum of 21218448926736's digits is 63
• More coming soon!