21091362034880

Names of 21091362034880

• Cardinal: 21091362034880 can be written as Twenty-one trillion, ninety-one billion, three hundred sixty-two million, thirty-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.109136203488 × 10¹³

Factors of 21091362034880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 949647

Divisors of 21091362034880

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 75391 150782 301564 376955 603128 753910 874249 1206256 1507820 1748498 2412512 3015640 3496996 4371245 4825024 6031280 6993992 8742490 12062560 13987984 17484980 24125120 27975968 34969960 55951936 69939920 139879840 279759680 65910506359 131821012718 263642025436 329552531795 527284050872 659105063590 1054568101744 1318210127180 2109136203488 2636420254360 4218272406976 5272840508720 10545681017440 21091362034880
• Sum of all divisors σ(n): 50224529472000
• Sum of proper divisors (its aliquot sum) s(n): 29133167437120
• 21091362034880 is an abundant number, because the sum of its proper divisors (29133167437120) is greater than itself. Its abundance is 8041805402240

Bases of 21091362034880

• Binary: 100110010111010110111001001000101010011000000₂
• Hexadecimal: 0x132EB72454C0
• Base-36: 7H58KE4ZK

Squares and roots of 21091362034880

• 21091362034880 squared (21091362034880²) is 444845552486377414336614400
• 21091362034880 cubed (21091362034880³) is 9382398597096398985122368376873910272000
• The square root of 21091362034880 is 4592533.2916463437
• The cube root of 21091362034880 is 27629.1935529033

Scales and comparisons

• 21,091,362,034,880 seconds is equal to 670,640 years, 3 weeks, 5 days, 12 hours, 21 minutes, 20 seconds.
• To count from 1 to 21,091,362,034,880 would take you about one million, six hundred seventy-six thousand, six hundred 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 21091362034880 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21091362034880

• 21091362034880 backwards is 08843026319012
• The number of decimal digits it has is: 14
• The sum of 21091362034880's digits is 47
• More coming soon!