21040782435616

Names of 21040782435616

• Cardinal: 21040782435616 can be written as Twenty-one trillion, forty billion, seven hundred eighty-two million, four hundred thirty-five thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1040782435616 × 10¹³

Factors of 21040782435616

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1231

Divisors of 21040782435616

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 16 17 32 34 68 136 193 272 386 544 772 1019 1544 2038 3088 3281 4076 6176 6562 8152 13124 16304 17323 26248 32608 34646 37249 52496 69292 74498 104992 138584 148996 196667 277168 297992 393334 554336 595984 633233 786668 1038361 1191968 1266466 1573336 2076722 2532932 3146672 3343339 4153444 5065864 6293344 6686678 8306888 10131728 13373356 16613776 17652137 20263456 26746712 33227552 35304274 37956731 53493424 70608548 75913462 106986848 141217096 151826924 200403673 282434192 303653848 400807346 564868384 607307696 645264427 801614692 1214615392 1290528854 1603229384 2581057708 3206458768 3406862441 5162115416 6412917536 6813724882 10324230832 13627449764 20648461664 27254899528 38677908889 54509799056 77355817778 109019598112 154711635556 309423271112 618846542224 657524451113 1237693084448 1315048902226 2630097804452 5260195608904 10520391217808 21040782435616
• Sum of all divisors σ(n): 44132493515922
• Sum of proper divisors (its aliquot sum) s(n): 23091711080306
• 21040782435616 is an abundant number, because the sum of its proper divisors (23091711080306) is greater than itself. Its abundance is 2050928644690

Bases of 21040782435616

• Binary: 100110010001011110000010111001110010100100000₂
• Hexadecimal: 0x1322F05CE520
• Base-36: 7GI02LSF4

Squares and roots of 21040782435616

• 21040782435616 squared (21040782435616²) is 442714525502926773185299456
• 21040782435616 cubed (21040782435616³) is 9315060012194053338038280686301999824896
• The square root of 21040782435616 is 4587023.2652141629
• The cube root of 21040782435616 is 27607.0898416155

Scales and comparisons

• 21,040,782,435,616 seconds is equal to 669,031 years, 41 weeks, 3 days, 11 hours, 40 minutes, 16 seconds.
• To count from 1 to 21,040,782,435,616 would take you about one million, six hundred seventy-two thousand, five hundred seventy-nine 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 21040782435616 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040782435616

• 21040782435616 backwards is 61653428704012
• The number of decimal digits it has is: 14
• The sum of 21040782435616's digits is 49
• More coming soon!