19764649872

Names of 19764649872

• Cardinal: 19764649872 can be written as Nineteen billion, seven hundred sixty-four million, six hundred forty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.9764649872 × 10¹⁰

Factors of 19764649872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12477699

Divisors of 19764649872

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 12477683 24955366 37433049 49910732 74866098 99821464 112299147 137254513 149732196 199642928 224598294 274509026 299464392 411763539 449196588 549018052 598928784 823527078 898393176 1098036104 1235290617 1647054156 1796786352 2196072208 2470581234 3294108312 4941162468 6588216624 9882324936 19764649872
• Sum of all divisors σ(n): 60342079824
• Sum of proper divisors (its aliquot sum) s(n): 40577429952
• 19764649872 is an abundant number, because the sum of its proper divisors (40577429952) is greater than itself. Its abundance is 20812780080

Bases of 19764649872

• Binary: 10010011010000100001001111110010000₂
• Hexadecimal: 0x49A109F90
• Base-36: 92VD1G0

Squares and roots of 19764649872

• 19764649872 squared (19764649872²) is 390641384562749616384
• 19764649872 cubed (19764649872³) is 7720890191396051981432074702848
• The square root of 19764649872 is 140586.8054690767
• The cube root of 19764649872 is 2703.7282684177

Scales and comparisons

• 19,764,649,872 seconds is equal to 628 years, 23 weeks, 4 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 19,764,649,872 would take you about one thousand, two hundred fifty-six 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 19764649872 cubic inches would be around 225.3 feet tall.

Recreational maths with 19764649872

• 19764649872 backwards is 27894646791
• The number of decimal digits it has is: 11
• The sum of 19764649872's digits is 63
• More coming soon!