30521720432

Names of 30521720432

• Cardinal: 30521720432 can be written as Thirty billion, five hundred twenty-one million, seven hundred twenty thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 3.0521720432 × 10¹⁰

Factors of 30521720432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 33147

Divisors of 30521720432

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 15149 17989 30298 35978 60596 71956 106043 121192 125923 143912 212086 242384 251846 287824 424172 503692 848344 1007384 1696688 2014768 272515361 545030722 1090061444 1907607527 2180122888 3815215054 4360245776 7630430108 15260860216 30521720432
• Sum of all divisors σ(n): 67592028000
• Sum of proper divisors (its aliquot sum) s(n): 37070307568
• 30521720432 is an abundant number, because the sum of its proper divisors (37070307568) is greater than itself. Its abundance is 6548587136

Bases of 30521720432

• Binary: 11100011011001111000111111001110000₂
• Hexadecimal: 0x71B3C7E70
• Base-36: E0RUE7K

Squares and roots of 30521720432

• 30521720432 squared (30521720432²) is 931575418129166266624
• 30521720432 cubed (30521720432³) is 28433284473461917255142900461568
• The square root of 30521720432 is 174704.6663143259
• The cube root of 30521720432 is 3125.1413843489

Scales and comparisons

• 30,521,720,432 seconds is equal to 970 years, 25 weeks, 5 days, 15 hours, 40 minutes, 32 seconds.
• To count from 1 to 30,521,720,432 would take you about one thousand, nine hundred forty 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 30521720432 cubic inches would be around 260.4 feet tall.

Recreational maths with 30521720432

• 30521720432 backwards is 23402712503
• The number of decimal digits it has is: 11
• The sum of 30521720432's digits is 29
• More coming soon!