21189021038667

Names of 21189021038667

• Cardinal: 21189021038667 can be written as Twenty-one trillion, one hundred eighty-nine billion, twenty-one million, thirty-eight thousand, six hundred sixty-seven.

Scientific notation

• Scientific notation: 2.1189021038667 × 10¹³

Factors of 21189021038667

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 80161

Divisors of 21189021038667

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 41 123 167 369 501 1503 4561 6847 13683 20541 41049 61623 75389 187001 226167 561003 678501 761687 1683009 2285061 3090949 6855183 9272847 12589963 27818541 31229167 37769889 93687501 113309667 281062503 343849229 516188483 1031547687 1548565449 3094643061 4645696347 14097818389 42293455167 57422821243 126880365501 172268463729 516805391187 2354335670963 7063007012889 21189021038667
• Sum of all divisors σ(n): 31547935823040
• Sum of proper divisors (its aliquot sum) s(n): 10358914784373
• 21189021038667 is a deficient number, because the sum of its proper divisors (10358914784373) is less than itself. Its deficiency is 10830106254294

Bases of 21189021038667

• Binary: 100110100010101110100000100100111100001001011₂
• Hexadecimal: 0x13457412784B
• Base-36: 7IE3O1IKR

Squares and roots of 21189021038667

• 21189021038667 squared (21189021038667²) is 448974612577072751509136889
• 21189021038667 cubed (21189021038667³) is 9513332511722959994772555315499465086963
• The square root of 21189021038667 is 4603153.3798763429
• The cube root of 21189021038667 is 27671.7715785177

Scales and comparisons

• 21,189,021,038,667 seconds is equal to 673,745 years, 17 weeks, 1 hour, 24 minutes, 27 seconds.
• To count from 1 to 21,189,021,038,667 would take you about one million, six hundred eighty-four thousand, three hundred sixty-three 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 21189021038667 cubic inches would be around 2306 feet tall.

Recreational maths with 21189021038667

• 21189021038667 backwards is 76683012098112
• The number of decimal digits it has is: 14
• The sum of 21189021038667's digits is 54
• More coming soon!