21538322090766

Names of 21538322090766

• Cardinal: 21538322090766 can be written as Twenty-one trillion, five hundred thirty-eight billion, three hundred twenty-two million, ninety thousand, seven hundred sixty-six.

Scientific notation

• Scientific notation: 2.1538322090766 × 10¹³

Factors of 21538322090766

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1049407

Divisors of 21538322090766

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 171 234 247 342 494 741 1482 2223 4446 4637 9274 13911 27822 41733 60281 83466 88103 120562 176206 180843 264309 361686 528618 542529 792927 1044733 1085058 1145339 1585854 2089466 2290678 3134199 3436017 6268398 6872034 9402597 10308051 13581529 18805194 19849927 20616102 27163058 39699854 40744587 59549781 81489174 119099562 122233761 178649343 244467522 258049051 357298686 516098102 774147153 1548294306 2322441459 4644882918 4844426921 9688853842 14533280763 29066561526 43599842289 62977549973 87199684578 92044111499 125955099946 184088222998 188932649919 276132334497 377865299838 552264668994 566797949757 828397003491 1133595899514 1196573449487 1656794006982 2393146898974 3589720348461 7179440696922 10769161045383 21538322090766
• Sum of all divisors σ(n): 52912601108640
• Sum of proper divisors (its aliquot sum) s(n): 31374279017874
• 21538322090766 is an abundant number, because the sum of its proper divisors (31374279017874) is greater than itself. Its abundance is 9835956927108

Bases of 21538322090766

• Binary: 100111001011011001000000010011000101100001110₂
• Hexadecimal: 0x1396C8098B0E
• Base-36: 7MUKGVBBI

Squares and roots of 21538322090766

• 21538322090766 squared (21538322090766²) is 463899318485578677542466756
• 21538322090766 cubed (21538322090766³) is 9991612939229231454905851910842969575096
• The square root of 21538322090766 is 4640939.7852984475
• The cube root of 21538322090766 is 27822.9999999989

Scales and comparisons

• 21,538,322,090,766 seconds is equal to 684,852 years, 1 week, 7 hours, 26 minutes, 6 seconds.
• To count from 1 to 21,538,322,090,766 would take you about one million, seven hundred twelve thousand, one hundred thirty 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 21538322090766 cubic inches would be around 2318.6 feet tall.

Recreational maths with 21538322090766

• 21538322090766 backwards is 66709022383512
• The number of decimal digits it has is: 14
• The sum of 21538322090766's digits is 54
• More coming soon!