21356343173231

Names of 21356343173231

• Cardinal: 21356343173231 can be written as Twenty-one trillion, three hundred fifty-six billion, three hundred forty-three million, one hundred seventy-three thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.1356343173231 × 10¹³

Factors of 21356343173231

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 505009

Divisors of 21356343173231

• Number of divisors d(n): 48
• Complete list of divisors:
  1 11 19 79 121 209 233 869 1501 2299 2563 4427 9559 16511 18407 28193 48697 181621 202477 349733 504667 535667 2227247 3847063 5551337 9588673 39868693 42317693 61064707 105475403 117587411 438555623 757505167 1160229433 1293461521 2234160809 4824111853 8332556837 9289405469 14228076731 24575768899 91658125207 102183460159 176498703911 270333457889 1124018061749 1941485743021 21356343173231
• Sum of all divisors σ(n): 25130043993600
• Sum of proper divisors (its aliquot sum) s(n): 3773700820369
• 21356343173231 is a deficient number, because the sum of its proper divisors (3773700820369) is less than itself. Its deficiency is 17582642352862

Bases of 21356343173231

• Binary: 100110110110001101001001111111010000001101111₂
• Hexadecimal: 0x136C693FA06F
• Base-36: 7KIYVBJVZ

Squares and roots of 21356343173231

• 21356343173231 squared (21356343173231²) is 456093393732810338474979361
• 21356343173231 cubed (21356343173231³) is 9740487035601462632146223895795972685391
• The square root of 21356343173231 is 4621292.3704555851
• The cube root of 21356343173231 is 27744.4187236377

Scales and comparisons

• 21,356,343,173,231 seconds is equal to 679,065 years, 33 weeks, 6 days, 20 hours, 7 minutes, 11 seconds.
• To count from 1 to 21,356,343,173,231 would take you about one million, six hundred ninety-seven thousand, six hundred sixty-four 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 21356343173231 cubic inches would be around 2312 feet tall.

Recreational maths with 21356343173231

• 21356343173231 backwards is 13237134365312
• The number of decimal digits it has is: 14
• The sum of 21356343173231's digits is 44
• More coming soon!