20918833434400

Names of 20918833434400

• Cardinal: 20918833434400 can be written as Twenty trillion, nine hundred eighteen billion, eight hundred thirty-three million, four hundred thirty-four thousand, four hundred.

Scientific notation

• Scientific notation: 2.09188334344 × 10¹³

Factors of 20918833434400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3353534

Divisors of 20918833434400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 709 800 880 1100 1418 1760 2200 2836 3545 4400 5672 7090 7799 8800 11344 14180 15598 17725 22688 28360 31196 35450 38995 56720 62392 70900 77990 113440 124784 141800 155980 194975 249568 283600 311960 389950 567200 623920 779900 1247840 1559800 3119600 3352807 6239200 6705614 13411228 16764035 26822456 33528070 36880877 53644912 67056140 73761754 83820175 107289824 134112280 147523508 167640350 184404385 268224560 295047016 335280700 368808770 536449120 590094032 670561400 737617540 922021925 1180188064 1341122800 1475235080 1844043850 2377140163 2682245600 2950470160 3688087700 4754280326 5900940320 7376175400 9508560652 11885700815 14752350800 19017121304 23771401630 26148541793 29504701600 38034242608 47542803260 52297083586 59428504075 76068485216 95085606520 104594167172 118857008150 130742708965 190171213040 209188334344 237714016300 261485417930 380342426080 418376668688 475428032600 522970835860 653713544825 836753337376 950856065200 1045941671720 1307427089650 1901712130400 2091883343440 2614854179300 4183766686880 5229708358600 10459416717200 20918833434400
• Sum of all divisors σ(n): 55789249884480
• Sum of proper divisors (its aliquot sum) s(n): 34870416450080
• 20918833434400 is an abundant number, because the sum of its proper divisors (34870416450080) is greater than itself. Its abundance is 13951583015680

Bases of 20918833434400

• Binary: 100110000011010001011101000101100111100100000₂
• Hexadecimal: 0x13068BA2CF20
• Base-36: 7EXZ9BGV4

Squares and roots of 20918833434400

• 20918833434400 squared (20918833434400²) is 437597592256171299103360000
• 20918833434400 cubed (20918833434400³) is 9154031143701334701417049909379584000000
• The square root of 20918833434400 is 4573711.1227536005
• The cube root of 20918833434400 is 27553.6510453375

Scales and comparisons

• 20,918,833,434,400 seconds is equal to 665,154 years, 10 weeks, 1 day, 17 hours, 6 minutes, 40 seconds.
• To count from 1 to 20,918,833,434,400 would take you about one million, six hundred sixty-two thousand, eight hundred eighty-five 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 20918833434400 cubic inches would be around 2296.1 feet tall.

Recreational maths with 20918833434400

• 20918833434400 backwards is 00443433881902
• The number of decimal digits it has is: 14
• The sum of 20918833434400's digits is 49
• More coming soon!