30288968388

Names of 30288968388

• Cardinal: 30288968388 can be written as Thirty billion, two hundred eighty-eight million, nine hundred sixty-eight thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 3.0288968388 × 10¹⁰

Factors of 30288968388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5723551

Divisors of 30288968388

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1764 2646 5292 5723539 11447078 17170617 22894156 34341234 40064773 51511851 68682468 80129546 103023702 120194319 154535553 160259092 206047404 240388638 280453411 309071106 360582957 480777276 560906822 618142212 721165914 841360233 1081748871 1121813644 1442331828 1682720466 2163497742 2524080699 3365440932 4326995484 5048161398 7572242097 10096322796 15144484194 30288968388
• Sum of all divisors σ(n): 91347698400
• Sum of proper divisors (its aliquot sum) s(n): 61058730012
• 30288968388 is an abundant number, because the sum of its proper divisors (61058730012) is greater than itself. Its abundance is 30769761624

Bases of 30288968388

• Binary: 11100001101010111001111101011000100₂
• Hexadecimal: 0x70D5CFAC4
• Base-36: DWX9PL0

Squares and roots of 30288968388

• 30288968388 squared (30288968388²) is 917421606009263318544
• 30288968388 cubed (30288968388³) is 27787754022882767490547190187072
• The square root of 30288968388 is 174037.2614930493
• The cube root of 30288968388 is 3117.1772213069

Scales and comparisons

• 30,288,968,388 seconds is equal to 963 years, 4 weeks, 6 days, 18 hours, 19 minutes, 48 seconds.
• To count from 1 to 30,288,968,388 would take you about one thousand, nine hundred twenty-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 30288968388 cubic inches would be around 259.8 feet tall.

Recreational maths with 30288968388

• 30288968388 backwards is 88386988203
• 30288968388 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30288968388's digits is 63
• More coming soon!