21037243344

Names of 21037243344

• Cardinal: 21037243344 can be written as Twenty-one billion, thirty-seven million, two hundred forty-three thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1037243344 × 10¹⁰

Factors of 21037243344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12198

Divisors of 21037243344

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 4253 7927 8506 12759 15854 17012 23781 25518 31708 34024 47562 51036 55289 63416 68048 95124 102072 103051 110578 126832 165867 190248 204144 206102 221156 309153 331734 380496 412204 442312 618306 663468 824408 884624 1236612 1326936 1648816 2473224 2653872 4946448 33713531 67427062 101140593 134854124 202281186 269708248 404562372 438275903 539416496 809124744 876551806 1314827709 1618249488 1753103612 2629655418 3506207224 5259310836 7012414448 10518621672 21037243344
• Sum of all divisors σ(n): 58547836032
• Sum of proper divisors (its aliquot sum) s(n): 37510592688
• 21037243344 is an abundant number, because the sum of its proper divisors (37510592688) is greater than itself. Its abundance is 16473349344

Bases of 21037243344

• Binary: 10011100101111010101101101111010000₂
• Hexadecimal: 0x4E5EADBD0
• Base-36: 9NX14UO

Squares and roots of 21037243344

• 21037243344 squared (21037243344²) is 442565607514672302336
• 21037243344 cubed (21037243344³) is 9310360380971356274659171651584
• The square root of 21037243344 is 145042.2122831833
• The cube root of 21037243344 is 2760.5541903319

Scales and comparisons

• 21,037,243,344 seconds is equal to 668 years, 47 weeks, 5 days, 14 hours, 42 minutes, 24 seconds.
• To count from 1 to 21,037,243,344 would take you about one thousand, three hundred thirty-seven 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 21037243344 cubic inches would be around 230 feet tall.

Recreational maths with 21037243344

• 21037243344 backwards is 44334273012
• The number of decimal digits it has is: 11
• The sum of 21037243344's digits is 33
• More coming soon!