21370791321216

Names of 21370791321216

• Cardinal: 21370791321216 can be written as Twenty-one trillion, three hundred seventy billion, seven hundred ninety-one million, three hundred twenty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1370791321216 × 10¹³

Factors of 21370791321216

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 18551034138

Divisors of 21370791321216

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 18551034133 37102068266 55653102399 74204136532 111306204798 148408273064 166959307197 222612409596 296816546128 333918614394 445224819192 593633092256 667837228788 890449638384 1187266184512 1335674457576 1780899276768 2374532369024 2671348915152 3561798553536 5342697830304 7123597107072 10685395660608 21370791321216
• Sum of all divisors σ(n): 61496678154210
• Sum of proper divisors (its aliquot sum) s(n): 40125886832994
• 21370791321216 is an abundant number, because the sum of its proper divisors (40125886832994) is greater than itself. Its abundance is 18755095511778

Bases of 21370791321216

• Binary: 100110110111111000110011011001101111010000000₂
• Hexadecimal: 0x136FC66CDE80
• Base-36: 7KPLTDI80

Squares and roots of 21370791321216

• 21370791321216 squared (21370791321216²) is 456710721694961106891718656
• 21370791321216 cubed (21370791321216³) is 9760269527504970748480205939507195805696
• The square root of 21370791321216 is 4622855.3212507095
• The cube root of 21370791321216 is 27750.6739316203

Scales and comparisons

• 21,370,791,321,216 seconds is equal to 679,525 years, 3 weeks, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,370,791,321,216 would take you about one million, six hundred ninety-eight thousand, eight hundred twelve 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 21370791321216 cubic inches would be around 2312.6 feet tall.

Recreational maths with 21370791321216

• 21370791321216 backwards is 61212319707312
• The number of decimal digits it has is: 14
• The sum of 21370791321216's digits is 45
• More coming soon!