9988400492

Names of 9988400492

• Cardinal: 9988400492 can be written as Nine billion, nine hundred eighty-eight million, four hundred thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 9.988400492 × 10⁹

Factors of 9988400492

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 213

Divisors of 9988400492

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 49 73 98 131 146 196 262 292 511 524 917 1022 1834 2044 3577 3668 5329 6419 7154 9563 10658 12838 14308 19126 21316 25676 37303 38252 66941 74606 133882 149212 261121 267764 389017 468587 522242 698099 778034 937174 1044484 1396198 1556068 1874348 2723119 2792396 4886693 5446238 9773386 10892476 19061833 19546772 34206851 38123666 50961227 68413702 76247332 101922454 136827404 203844908 356728589 713457178 1426914356 2497100123 4994200246 9988400492
• Sum of all divisors σ(n): 20773312560
• Sum of proper divisors (its aliquot sum) s(n): 10784912068
• 9988400492 is an abundant number, because the sum of its proper divisors (10784912068) is greater than itself. Its abundance is 796511576

Bases of 9988400492

• Binary: 1001010011010110101110010101101100₂
• Hexadecimal: 0x2535AE56C
• Base-36: 4L6U358

Squares and roots of 9988400492

• 9988400492 squared (9988400492²) is 99768144388585842064
• 9988400492 cubed (9988400492³) is 996524182496877864056291895488
• The square root of 9988400492 is 99941.9856316655
• The cube root of 9988400492 is 2153.6013549923

Scales and comparisons

• 9,988,400,492 seconds is equal to 317 years, 31 weeks, 1 day, 11 hours, 41 minutes, 32 seconds.
• To count from 1 to 9,988,400,492 would take you about six hundred thirty-five 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 9988400492 cubic inches would be around 179.5 feet tall.

Recreational maths with 9988400492

• 9988400492 backwards is 2940048899
• The number of decimal digits it has is: 10
• The sum of 9988400492's digits is 53
• More coming soon!