21038490131913

Names of 21038490131913

• Cardinal: 21038490131913 can be written as Twenty-one trillion, thirty-eight billion, four hundred ninety million, one hundred thirty-one thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 2.1038490131913 × 10¹³

Factors of 21038490131913

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 175

Divisors of 21038490131913

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 27 59 81 113 177 243 339 531 729 1017 1593 2187 3051 4779 6667 9153 12769 14337 20001 27459 38307 43011 60003 82377 114921 129033 180009 247131 344763 540027 753371 1034289 1442897 1620081 2260113 3102867 4328691 4860243 6780339 9308601 12986073 14580729 20341017 27925803 38958219 61023051 85130923 116874657 163047361 183069153 255392769 350623971 489142083 549207459 766178307 1051871913 1467426249 1647622377 2298534921 3155615739 4402278747 6895604763 9619794299 13206836241 20686814289 28859382897 39620508723 62060442867 86578148691 118861526169 186181328601 259734446073 356584578507 779203338219 2337610014657 7012830043971 21038490131913
• Sum of all divisors σ(n): 32374218148800
• Sum of proper divisors (its aliquot sum) s(n): 11335728016887
• 21038490131913 is a deficient number, because the sum of its proper divisors (11335728016887) is less than itself. Its deficiency is 9702762115026

Bases of 21038490131913

• Binary: 100110010001001100111101110110001110111001001₂
• Hexadecimal: 0x132267BB1DC9
• Base-36: 7GGY5TRK9

Squares and roots of 21038490131913

• 21038490131913 squared (21038490131913²) is 442618067030600680141039569
• 21038490131913 cubed (21038490131913³) is 9312015835429699179348087081455762665497
• The square root of 21038490131913 is 4586773.3900764053
• The cube root of 21038490131913 is 27606.0872468881

Scales and comparisons

• 21,038,490,131,913 seconds is equal to 668,958 years, 47 weeks, 2 days, 4 hours, 38 minutes, 33 seconds.
• To count from 1 to 21,038,490,131,913 would take you about one million, six hundred seventy-two thousand, three hundred ninety-seven 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 21038490131913 cubic inches would be around 2300.5 feet tall.

Recreational maths with 21038490131913

• 21038490131913 backwards is 31913109483012
• The number of decimal digits it has is: 14
• The sum of 21038490131913's digits is 45
• More coming soon!