20388828408

Names of 20388828408

• Cardinal: 20388828408 can be written as Twenty billion, three hundred eighty-eight million, eight hundred twenty-eight thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.0388828408 × 10¹⁰

Factors of 20388828408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3439448

Divisors of 20388828408

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 19 24 26 38 39 52 57 76 78 104 114 152 156 228 247 312 456 494 741 988 1482 1976 2964 5928 3439411 6878822 10318233 13757644 20636466 27515288 41272932 44712343 65348809 82545864 89424686 130697618 134137029 178849372 196046427 261395236 268274058 357698744 392092854 522790472 536548116 784185708 849534517 1073096232 1568371416 1699069034 2548603551 3398138068 5097207102 6796276136 10194414204 20388828408
• Sum of all divisors σ(n): 57782121600
• Sum of proper divisors (its aliquot sum) s(n): 37393293192
• 20388828408 is an abundant number, because the sum of its proper divisors (37393293192) is greater than itself. Its abundance is 17004464784

Bases of 20388828408

• Binary: 10010111111010001001101010011111000₂
• Hexadecimal: 0x4BF44D4F8
• Base-36: 9D6ZCOO

Squares and roots of 20388828408

• 20388828408 squared (20388828408²) is 415704323850867814464
• 20388828408 cubed (20388828408³) is 8475724127459005650996476493312
• The square root of 20388828408 is 142789.4548207255
• The cube root of 20388828408 is 2731.8955473129

Scales and comparisons

• 20,388,828,408 seconds is equal to 648 years, 15 weeks, 4 days, 19 hours, 26 minutes, 48 seconds.
• To count from 1 to 20,388,828,408 would take you about one thousand, two hundred ninety-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 20388828408 cubic inches would be around 227.7 feet tall.

Recreational maths with 20388828408

• 20388828408 backwards is 80482888302
• The number of decimal digits it has is: 11
• The sum of 20388828408's digits is 51
• More coming soon!