21040871743089

Names of 21040871743089

• Cardinal: 21040871743089 can be written as Twenty-one trillion, forty billion, eight hundred seventy-one million, seven hundred forty-three thousand and eighty-nine.

Scientific notation

• Scientific notation: 2.1040871743089 × 10¹³

Factors of 21040871743089

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1544

Divisors of 21040871743089

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 11 33 97 99 121 291 363 873 1067 1089 1433 3201 4299 9409 9603 11737 12897 15763 28227 35211 47289 84681 103499 105633 139001 141867 173393 310497 417003 520179 931491 1138489 1251009 1529011 1560537 2053489 3415467 4587033 6160467 10246401 13483097 13761099 16819121 18481401 22588379 40449291 50457363 67765137 121347873 148314067 151372089 199188433 203295411 248472169 444942201 597565299 745416507 1334826603 1631454737 1792695897 2191072763 2236249521 4894364211 6573218289 14683092633 19321278001 19719654867 24101800393 57963834003 72305401179 173891502009 212534058011 216916203537 637602174033 1912806522099 2337874638121 7013623914363 21040871743089
• Sum of all divisors σ(n): 33778008469569
• Sum of proper divisors (its aliquot sum) s(n): 12737136726480
• 21040871743089 is a deficient number, because the sum of its proper divisors (12737136726480) is less than itself. Its deficiency is 8303735016609

Bases of 21040871743089

• Binary: 100110010001011110101101011111001111001110001₂
• Hexadecimal: 0x1322F5AF9E71
• Base-36: 7GI1JRYI9

Squares and roots of 21040871743089

• 21040871743089 squared (21040871743089²) is 442718283709121133219261921
• 21040871743089 cubed (21040871743089³) is 9315178625844106010567418557741312613969
• 21040871743089 is a perfect square number. Its square root is 4587033
• The cube root of 21040871743089 is 27607.1289009351

Scales and comparisons

• 21,040,871,743,089 seconds is equal to 669,034 years, 33 weeks, 1 day, 3 hours, 18 minutes, 9 seconds.
• To count from 1 to 21,040,871,743,089 would take you about one million, six hundred seventy-two thousand, five hundred eighty-six 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 21040871743089 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040871743089

• 21040871743089 backwards is 98034717804012
• The number of decimal digits it has is: 14
• The sum of 21040871743089's digits is 54
• More coming soon!