21326169920

Names of 21326169920

• Cardinal: 21326169920 can be written as Twenty-one billion, three hundred twenty-six million, one hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.132616992 × 10¹⁰

Factors of 21326169920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140958

Divisors of 21326169920

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 43 44 55 64 80 86 88 110 160 172 176 215 220 320 344 352 430 440 473 688 704 860 880 946 1376 1720 1760 1892 2365 2752 3440 3520 3784 4730 6880 7568 9460 13760 15136 18920 30272 37840 75680 140897 151360 281794 563588 704485 1127176 1408970 1549867 2254352 2817940 3099734 4508704 5635880 6058571 6199468 7749335 9017408 11271760 12117142 12398936 15498670 22543520 24234284 24797872 30292855 30997340 45087040 48468568 49595744 60585710 61994680 66644281 96937136 99191488 121171420 123989360 133288562 193874272 242342840 247978720 266577124 333221405 387748544 484685680 495957440 533154248 666442810 969371360 1066308496 1332885620 1938742720 2132616992 2665771240 4265233984 5331542480 10663084960 21326169920
• Sum of all divisors σ(n): 56688337728
• Sum of proper divisors (its aliquot sum) s(n): 35362167808
• 21326169920 is an abundant number, because the sum of its proper divisors (35362167808) is greater than itself. Its abundance is 14035997888

Bases of 21326169920

• Binary: 10011110111001000111000011101000000₂
• Hexadecimal: 0x4F7238740
• Base-36: 9SP1U0W

Squares and roots of 21326169920

• 21326169920 squared (21326169920²) is 454805523456712806400
• 21326169920 cubed (21326169920³) is 9699259873792403073926463488000
• The square root of 21326169920 is 146034.8243399499
• The cube root of 21326169920 is 2773.1346355631

Scales and comparisons

• 21,326,169,920 seconds is equal to 678 years, 5 weeks, 3 days, 16 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,326,169,920 would take you about one thousand, three hundred fifty-six 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 21326169920 cubic inches would be around 231.1 feet tall.

Recreational maths with 21326169920

• 21326169920 backwards is 02996162312
• The number of decimal digits it has is: 11
• The sum of 21326169920's digits is 41
• More coming soon!