21821664191008

Names of 21821664191008

• Cardinal: 21821664191008 can be written as Twenty-one trillion, eight hundred twenty-one billion, six hundred sixty-four million, one hundred ninety-one thousand and eight.

Scientific notation

• Scientific notation: 2.1821664191008 × 10¹³

Factors of 21821664191008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 271

Divisors of 21821664191008

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 19 22 32 38 44 76 88 152 176 209 239 304 352 418 478 608 836 956 1672 1912 2629 3344 3824 4541 5258 6688 7648 9082 10516 18164 21032 36328 42064 49951 57121 72656 84128 99902 114242 145312 199804 228484 399608 456968 628331 799216 913936 1085299 1256662 1598432 1827872 2170598 2513324 4341196 5026648 8682392 10053296 11938289 13651919 17364784 20106592 23876578 27303838 34729568 47753156 54607676 95506312 109215352 150171109 191012624 218430704 259386461 300342218 382025248 436861408 518772922 600684436 1037545844 1201368872 2075091688 2402737744 2853251071 3262808641 4150183376 4805475488 5706502142 6525617282 8300366752 11413004284 13051234564 22826008568 26102469128 35890895051 45652017136 52204938256 61993364179 71781790102 91304034272 104409876512 123986728358 143563580204 247973456716 287127160408 495946913432 574254320816 681927005969 991893826864 1148508641632 1363854011938 1983787653728 2727708023876 5455416047752 10910832095504 21821664191008
• Sum of all divisors σ(n): 49540950965520
• Sum of proper divisors (its aliquot sum) s(n): 27719286774512
• 21821664191008 is an abundant number, because the sum of its proper divisors (27719286774512) is greater than itself. Its abundance is 5897622583504

Bases of 21821664191008

• Binary: 100111101100011000000100010101110001000100000₂
• Hexadecimal: 0x13D8C08AE220
• Base-36: 7QGQFFV34

Squares and roots of 21821664191008

• 21821664191008 squared (21821664191008²) is 476185028065120831108056064
• 21821664191008 cubed (21821664191008³) is 10391149775222786736503346830058068672512
• The square root of 21821664191008 is 4671366.4158368053
• The cube root of 21821664191008 is 27944.4750802673

Scales and comparisons

• 21,821,664,191,008 seconds is equal to 693,861 years, 21 weeks, 6 days, 18 hours, 23 minutes, 28 seconds.
• To count from 1 to 21,821,664,191,008 would take you about one million, seven hundred thirty-four thousand, six hundred fifty-three 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 21821664191008 cubic inches would be around 2328.7 feet tall.

Recreational maths with 21821664191008

• 21821664191008 backwards is 80019146612812
• The number of decimal digits it has is: 14
• The sum of 21821664191008's digits is 49
• More coming soon!