21938832132129

Names of 21938832132129

• Cardinal: 21938832132129 can be written as Twenty-one trillion, nine hundred thirty-eight billion, eight hundred thirty-two million, one hundred thirty-two thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1938832132129 × 10¹³

Factors of 21938832132129

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 921

Divisors of 21938832132129

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 27 33 81 99 121 243 297 363 891 907 1089 2673 2721 3267 8163 9801 9977 24489 29403 29931 73467 89793 109747 220401 269379 329241 808137 822649 987723 2424411 2467947 2963169 7403841 8889507 9049139 22211523 26668521 27147417 66634569 81442251 99540529 199903707 244326753 298621587 732980259 746142643 895864761 2198940777 2238427929 2687594283 6715283787 8062782849 8207569073 20145851361 24188348547 24622707219 60437554083 73868121657 90283259803 181312662249 221604364971 270849779409 664813094913 812549338227 1994439284739 2437648014681 7312944044043 21938832132129
• Sum of all divisors σ(n): 36162127674400
• Sum of proper divisors (its aliquot sum) s(n): 14223295542271
• 21938832132129 is a deficient number, because the sum of its proper divisors (14223295542271) is less than itself. Its deficiency is 7715536589858

Bases of 21938832132129

• Binary: 100111111010000001000010010111100100000100001₂
• Hexadecimal: 0x13F4084BC821
• Base-36: 7RYK67H29

Squares and roots of 21938832132129

• 21938832132129 squared (21938832132129²) is 481312355321735884114072641
• 21938832132129 cubed (21938832132129³) is 10559430966523189706255749138803615982689
• The square root of 21938832132129 is 4683890.7045456345
• The cube root of 21938832132129 is 27994.4002969149

Scales and comparisons

• 21,938,832,132,129 seconds is equal to 697,587 years, 4 hours, 42 minutes, 9 seconds.
• To count from 1 to 21,938,832,132,129 would take you about one million, seven hundred forty-three thousand, nine hundred sixty-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 21938832132129 cubic inches would be around 2332.9 feet tall.

Recreational maths with 21938832132129

• 21938832132129 backwards is 92123123883912
• The number of decimal digits it has is: 14
• The sum of 21938832132129's digits is 54
• More coming soon!