21106726840689

Names of 21106726840689

• Cardinal: 21106726840689 can be written as Twenty-one trillion, one hundred six billion, seven hundred twenty-six million, eight hundred forty thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1106726840689 × 10¹³

Factors of 21106726840689

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 49428

Divisors of 21106726840689

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 21 49 73 131 147 219 307 393 511 917 921 1533 2149 2751 3577 6419 6447 9563 10731 15043 19257 22411 28689 40217 45129 48907 66941 67233 120651 146721 156877 200823 281519 342349 468587 470631 844557 1027047 1098139 1405761 1970633 2396443 2935841 3294417 3570211 5911899 6406817 7189329 8807523 10710633 15014449 19220451 20550887 24991477 44847719 45043347 61652661 74974431 105101143 134543157 143856209 174940339 313934033 315303429 431568627 467697641 524821017 735708001 941802099 1096054777 1403092923 1966892819 2207124003 3273883487 3288164331 5900678457 7672383439 9821650461 13768249733 22917184409 23017150317 41304749199 53706684073 68751553227 96377748131 143583175787 161120052219 289133244393 430749527361 1005082230509 3015246691527 7035575613563 21106726840689
• Sum of all divisors σ(n): 33548346349056
• Sum of proper divisors (its aliquot sum) s(n): 12441619508367
• 21106726840689 is a deficient number, because the sum of its proper divisors (12441619508367) is less than itself. Its deficiency is 8665107332322

Bases of 21106726840689

• Binary: 100110011001001001010111101001010100101110001₂
• Hexadecimal: 0x13324AF4A971
• Base-36: 7HCAO790X

Squares and roots of 21106726840689

• 21106726840689 squared (21106726840689²) is 445493917927461455185994721
• 21106726840689 cubed (21106726840689³) is 9402918434883253178691712912452162002769
• The square root of 21106726840689 is 4594205.7899803531
• The cube root of 21106726840689 is 27635.9011037539

Scales and comparisons

• 21,106,726,840,689 seconds is equal to 671,128 years, 32 weeks, 3 days, 21 hours, 58 minutes, 9 seconds.
• To count from 1 to 21,106,726,840,689 would take you about one million, six hundred seventy-seven thousand, eight hundred twenty-one 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 21106726840689 cubic inches would be around 2303 feet tall.

Recreational maths with 21106726840689

• 21106726840689 backwards is 98604862760112
• The number of decimal digits it has is: 14
• The sum of 21106726840689's digits is 60
• More coming soon!