20745924867420

Names of 20745924867420

• Cardinal: 20745924867420 can be written as Twenty trillion, seven hundred forty-five billion, nine hundred twenty-four million, eight hundred sixty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.074592486742 × 10¹³

Factors of 20745924867420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24195129

Divisors of 20745924867420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 461 465 620 922 930 1383 1844 1860 2305 2766 4610 5532 6915 9220 13830 14291 27660 28582 42873 57164 71455 85746 142910 171492 214365 285820 428730 857460 24194627 48389254 72583881 96778508 120973135 145167762 241946270 290335524 362919405 483892540 725838810 750033437 1451677620 1500066874 2250100311 3000133748 3750167185 4500200622 7500334370 9000401244 11153723047 11250501555 15000668740 22307446094 22501003110 33461169141 44614892188 45002006220 55768615235 66922338282 111537230470 133844676564 167305845705 223074460940 334611691410 345765414457 669223382820 691530828914 1037296243371 1383061657828 1728827072285 2074592486742 3457654144570 4149184973484 5186481216855 6915308289140 10372962433710 20745924867420
• Sum of all divisors σ(n): 60092487899136
• Sum of proper divisors (its aliquot sum) s(n): 39346563031716
• 20745924867420 is an abundant number, because the sum of its proper divisors (39346563031716) is greater than itself. Its abundance is 18600638164296

Bases of 20745924867420

• Binary: 100101101111001001001011110110111010101011100₂
• Hexadecimal: 0x12DE497B755C
• Base-36: 7CQJO0SPO

Squares and roots of 20745924867420

• 20745924867420 squared (20745924867420²) is 430393398604635544577456400
• 20745924867420 cubed (20745924867420³) is 8928909110885316873135486665090830488000
• The square root of 20745924867420 is 4554769.4636962691
• The cube root of 20745924867420 is 27477.5242769051

Scales and comparisons

• 20,745,924,867,420 seconds is equal to 659,656 years, 12 weeks, 3 days, 3 hours, 37 minutes.
• To count from 1 to 20,745,924,867,420 would take you about one million, six hundred forty-nine thousand, one hundred forty 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 20745924867420 cubic inches would be around 2289.8 feet tall.

Recreational maths with 20745924867420

• 20745924867420 backwards is 02476842954702
• 20745924867420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20745924867420's digits is 60
• More coming soon!