21194490447712

Names of 21194490447712

• Cardinal: 21194490447712 can be written as Twenty-one trillion, one hundred ninety-four billion, four hundred ninety million, four hundred forty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1194490447712 × 10¹³

Factors of 21194490447712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 459471

Divisors of 21194490447712

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 19 32 38 76 152 304 608 95881 191762 363569 383524 727138 767048 1454276 1534096 1821739 2908552 3068192 3643478 5817104 6907811 7286956 11634208 13815622 14573912 27631244 29147824 55262488 58295648 110524976 221049952 34859359289 69718718578 139437437156 278874874312 557749748624 662327826491 1115499497248 1324655652982 2649311305964 5298622611928 10597245223856 21194490447712
• Sum of all divisors σ(n): 43923371612400
• Sum of proper divisors (its aliquot sum) s(n): 22728881164688
• 21194490447712 is an abundant number, because the sum of its proper divisors (22728881164688) is greater than itself. Its abundance is 1534390716976

Bases of 21194490447712

• Binary: 100110100011010111010000100110000011101100000₂
• Hexadecimal: 0x1346BA130760
• Base-36: 7IGM4DXLS

Squares and roots of 21194490447712

• 21194490447712 squared (21194490447712²) is 449206425338155214206034944
• 21194490447712 cubed (21194490447712³) is 9520701290880384406933812822870876848128
• The square root of 21194490447712 is 4603747.4352653187
• The cube root of 21194490447712 is 27674.1522959833

Scales and comparisons

• 21,194,490,447,712 seconds is equal to 673,919 years, 12 weeks, 2 days, 9 hours, 41 minutes, 52 seconds.
• To count from 1 to 21,194,490,447,712 would take you about one million, six hundred eighty-four thousand, seven hundred ninety-eight 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 21194490447712 cubic inches would be around 2306.2 feet tall.

Recreational maths with 21194490447712

• 21194490447712 backwards is 21774409449112
• The number of decimal digits it has is: 14
• The sum of 21194490447712's digits is 55
• More coming soon!