21291801404416

Names of 21291801404416

• Cardinal: 21291801404416 can be written as Twenty-one trillion, two hundred ninety-one billion, eight hundred one million, four hundred four thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1291801404416 × 10¹³

Factors of 21291801404416

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3560

Divisors of 21291801404416

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 8 16 32 41 64 82 128 164 256 328 512 656 1024 1312 1681 2624 3362 3517 5248 6724 7034 10496 13448 14068 20992 26896 28136 41984 53792 56272 107584 112544 144197 215168 225088 288394 430336 450176 576788 860672 900352 1153576 1721344 1800704 2307152 3601408 4614304 5912077 9228608 11824154 12369289 18457216 23648308 24738578 36914432 47296616 49477156 73828864 94593232 98954312 147657728 189186464 197908624 378372928 395817248 507140849 756745856 791634496 1014281698 1513491712 1583268992 2028563396 3026983424 3166537984 4057126792 6053966848 6333075968 8114253584 12666151936 16228507168 20792774809 32457014336 41585549618 64914028672 83171099236 129828057344 166342198472 259656114688 332684396944 519312229376 665368793888 1330737587776 2661475175552 5322950351104 10645900702208 21291801404416
• Sum of all divisors σ(n): 43638655205667
• Sum of proper divisors (its aliquot sum) s(n): 22346853801251
• 21291801404416 is an abundant number, because the sum of its proper divisors (22346853801251) is greater than itself. Its abundance is 1055052396835

Bases of 21291801404416

• Binary: 100110101110101100010010000100110010000000000₂
• Hexadecimal: 0x135D62426400
• Base-36: 7JPBGTGCG

Squares and roots of 21291801404416

• 21291801404416 squared (21291801404416²) is 453340807045091149984301056
• 21291801404416 cubed (21291801404416³) is 9652442432121754614274473720492951863296
• 21291801404416 is a perfect square number. Its square root is 4614304
• The cube root of 21291801404416 is 27716.4413874131

Scales and comparisons

• 21,291,801,404,416 seconds is equal to 677,013 years, 22 weeks, 15 hours, 16 seconds.
• To count from 1 to 21,291,801,404,416 would take you about one million, six hundred ninety-two thousand, five hundred thirty-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 21291801404416 cubic inches would be around 2309.7 feet tall.

Recreational maths with 21291801404416

• 21291801404416 backwards is 61440410819212
• The number of decimal digits it has is: 14
• The sum of 21291801404416's digits is 43
• More coming soon!