21521842618896

Names of 21521842618896

• Cardinal: 21521842618896 can be written as Twenty-one trillion, five hundred twenty-one billion, eight hundred forty-two million, six hundred eighteen thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.1521842618896 × 10¹³

Factors of 21521842618896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 22763

Divisors of 21521842618896

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 289 306 408 578 612 816 867 1156 1224 1734 2312 2448 2601 3468 4624 5202 6936 10404 13872 20808 22741 41616 45482 68223 90964 136446 181928 204669 272892 363856 386597 409338 545784 773194 818676 1091568 1159791 1546388 1637352 2319582 3092776 3274704 3479373 4639164 6185552 6572149 6958746 9278328 13144298 13917492 18556656 19716447 26288596 27834984 39432894 52577192 55669968 59149341 78865788 105154384 118298682 157731576 236597364 315463152 473194728 517153081 946389456 1034306162 1551459243 2068612324 3102918486 4137224648 4654377729 6205836972 8274449296 8791602377 9308755458 12411673944 17583204754 18617510916 24823347888 26374807131 35166409508 37235021832 52749614262 70332819016 74470043664 79124421393 105499228524 140665638032 149457240409 158248842786 210998457048 298914480818 316497685572 421996914096 448371721227 597828961636 632995371144 896743442454 1195657923272 1265990742288 1345115163681 1793486884908 2391315846544 2690230327362 3586973769816 5380460654724 7173947539632 10760921309448 21521842618896
• Sum of all divisors σ(n): 63985509997383
• Sum of proper divisors (its aliquot sum) s(n): 42463667378487
• 21521842618896 is an abundant number, because the sum of its proper divisors (42463667378487) is greater than itself. Its abundance is 20941824759591

Bases of 21521842618896

• Binary: 100111001001011110001110010001100001000010000₂
• Hexadecimal: 0x1392F1C8C210
• Base-36: 7MMZXF1G0

Squares and roots of 21521842618896

• 21521842618896 squared (21521842618896²) is 463189709712528235896258816
• 21521842618896 cubed (21521842618896³) is 9968696035125156695742885712310068187136
• 21521842618896 is a perfect square number. Its square root is 4639164
• The cube root of 21521842618896 is 27815.9021810189

Scales and comparisons

• 21,521,842,618,896 seconds is equal to 684,328 years, 1 week, 1 day, 16 hours, 21 minutes, 36 seconds.
• To count from 1 to 21,521,842,618,896 would take you about one million, seven hundred ten thousand, eight hundred twenty 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 21521842618896 cubic inches would be around 2318 feet tall.

Recreational maths with 21521842618896

• 21521842618896 backwards is 69881624812512
• The number of decimal digits it has is: 14
• The sum of 21521842618896's digits is 63
• More coming soon!