30381877988

Names of 30381877988

• Cardinal: 30381877988 can be written as Thirty billion, three hundred eighty-one million, eight hundred seventy-seven thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 3.0381877988 × 10¹⁰

Factors of 30381877988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1102

Divisors of 30381877988

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 77 154 308 373 709 746 1418 1492 2611 2836 4103 4963 5222 7799 8206 9926 10444 15598 16412 19852 28721 31196 54593 57442 109186 114884 139129 218372 264457 278258 528914 556516 973903 1057828 1530419 1851199 1947806 2909027 3060838 3702398 3895612 5818054 6121676 7404796 10712933 11636108 20363189 21425866 40726378 42851732 81452756 98642461 197284922 394569844 690497227 1085067071 1380994454 2170134142 2761988908 4340268284 7595469497 15190938994 30381877988
• Sum of all divisors σ(n): 66559671360
• Sum of proper divisors (its aliquot sum) s(n): 36177793372
• 30381877988 is an abundant number, because the sum of its proper divisors (36177793372) is greater than itself. Its abundance is 5795915384

Bases of 30381877988

• Binary: 11100010010111001101010101011100100₂
• Hexadecimal: 0x712E6AAE4
• Base-36: DYGL338

Squares and roots of 30381877988

• 30381877988 squared (30381877988²) is 923058510077718928144
• 30381877988 cubed (30381877988³) is 28044251028966324872229147294272
• The square root of 30381877988 is 174303.9815609501
• The cube root of 30381877988 is 3120.3612195467

Scales and comparisons

• 30,381,877,988 seconds is equal to 966 years, 2 weeks, 4 days, 2 hours, 33 minutes, 8 seconds.
• To count from 1 to 30,381,877,988 would take you about one thousand, nine hundred thirty-two 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 30381877988 cubic inches would be around 260 feet tall.

Recreational maths with 30381877988

• 30381877988 backwards is 88977818303
• The number of decimal digits it has is: 11
• The sum of 30381877988's digits is 62
• More coming soon!