19821520264

Names of 19821520264

• Cardinal: 19821520264 can be written as Nineteen billion, eight hundred twenty-one million, five hundred twenty thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.9821520264 × 10¹⁰

Factors of 19821520264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 74578

Divisors of 19821520264

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 367 728 734 1468 2569 2936 4771 5138 9542 10276 19084 20552 33397 38168 66794 74189 133588 148378 267176 296756 519323 593512 964457 1038646 1928914 2077292 3857828 4154584 6751199 7715656 13502398 27004796 27227363 54009592 54454726 108909452 190591541 217818904 353955719 381183082 707911438 762366164 1415822876 1524732328 2477690033 2831645752 4955380066 9910760132 19821520264
• Sum of all divisors σ(n): 45867225600
• Sum of proper divisors (its aliquot sum) s(n): 26045705336
• 19821520264 is an abundant number, because the sum of its proper divisors (26045705336) is greater than itself. Its abundance is 6224185072

Bases of 19821520264

• Binary: 10010011101011101000110010110001000₂
• Hexadecimal: 0x49D746588
• Base-36: 93T7YX4

Squares and roots of 19821520264

• 19821520264 squared (19821520264²) is 392892665576162629696
• 19821520264 cubed (19821520264³) is 7787729932294882799878792159744
• The square root of 19821520264 is 140788.9209561605
• The cube root of 19821520264 is 2706.3190023037

Scales and comparisons

• 19,821,520,264 seconds is equal to 630 years, 13 weeks, 4 days, 17 hours, 51 minutes, 4 seconds.
• To count from 1 to 19,821,520,264 would take you about one thousand, two hundred sixty 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 19821520264 cubic inches would be around 225.5 feet tall.

Recreational maths with 19821520264

• 19821520264 backwards is 46202512891
• The number of decimal digits it has is: 11
• The sum of 19821520264's digits is 40
• More coming soon!