21994082285742

Names of 21994082285742

• Cardinal: 21994082285742 can be written as Twenty-one trillion, nine hundred ninety-four billion, eighty-two million, two hundred eighty-five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.1994082285742 × 10¹³

Factors of 21994082285742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 220678012

Divisors of 21994082285742

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 98 113 126 147 226 294 339 441 678 791 882 1017 1582 2034 2373 4746 5537 7119 11074 14238 16611 33222 49833 99666 220677887 441355774 662033661 1324067322 1544745209 1986100983 3089490418 3972201966 4634235627 9268471254 10813216463 13902706881 21626432926 24936601231 27805413762 32439649389 49873202462 64879298778 74809803693 97318948167 149619607386 174556208617 194637896334 224429411079 349112417234 448858822158 523668625851 1047337251702 1221893460319 1571005877553 2443786920638 3142011755106 3665680380957 7331360761914 10997041142871 21994082285742
• Sum of all divisors σ(n): 55924631732736
• Sum of proper divisors (its aliquot sum) s(n): 33930549446994
• 21994082285742 is an abundant number, because the sum of its proper divisors (33930549446994) is greater than itself. Its abundance is 11936467161252

Bases of 21994082285742

• Binary: 101000000000011100101011101100011100010101110₂
• Hexadecimal: 0x1400E57638AE
• Base-36: 7SNXWQ0FI

Squares and roots of 21994082285742

• 21994082285742 squared (21994082285742²) is 483739655591990039336490564
• 21994082285742 cubed (21994082285742³) is 10639409789966724136516416876929734738488
• The square root of 21994082285742 is 4689784.8869369265
• The cube root of 21994082285742 is 28017.8807073005

Scales and comparisons

• 21,994,082,285,742 seconds is equal to 699,343 years, 40 weeks, 5 days, 13 hours, 35 minutes, 42 seconds.
• To count from 1 to 21,994,082,285,742 would take you about one million, seven hundred forty-eight thousand, three hundred fifty-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 21994082285742 cubic inches would be around 2334.8 feet tall.

Recreational maths with 21994082285742

• 21994082285742 backwards is 24758228049912
• 21994082285742 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21994082285742's digits is 63
• More coming soon!