1998447616

Names of 1998447616

• Cardinal: 1998447616 can be written as One billion, nine hundred ninety-eight million, four hundred forty-seven thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.998447616 × 10⁹

Factors of 1998447616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 140

Divisors of 1998447616

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 127 128 176 242 254 256 352 484 508 512 704 968 1016 1024 1397 1408 1936 2032 2794 2816 3872 4064 5588 5632 7744 8128 11176 11264 15367 15488 16129 16256 22352 30734 30976 32258 32512 44704 61468 61952 64516 65024 89408 122936 123904 129032 130048 177419 178816 245872 258064 354838 357632 491744 516128 709676 715264 983488 1032256 1419352 1430528 1951609 1966976 2064512 2838704 3903218 3933952 4129024 5677408 7806436 7867904 8258048 11354816 15612872 15735808 16516096 22709632 31225744 45419264 62451488 90838528 124902976 181677056 249805952 499611904 999223808 1998447616
• Sum of all divisors σ(n): 4425984507
• Sum of proper divisors (its aliquot sum) s(n): 2427536891
• 1998447616 is an abundant number, because the sum of its proper divisors (2427536891) is greater than itself. Its abundance is 429089275

Bases of 1998447616

• Binary: 1110111000111011110010000000000₂
• Hexadecimal: 0x771DE400
• Base-36: X1TO1S

Squares and roots of 1998447616

• 1998447616 squared (1998447616²) is 3993792873896083456
• 1998447616 cubed (1998447616³) is 7981385847635416614380240896
• 1998447616 is a perfect square number. Its square root is 44704
• The cube root of 1998447616 is 1259.5949853041

Scales and comparisons

• 1,998,447,616 seconds is equal to 63 years, 28 weeks, 2 days, 4 hours, 20 minutes, 16 seconds.
• To count from 1 to 1,998,447,616 would take you about one hundred twenty-seven 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 1998447616 cubic inches would be around 105 feet tall.

Recreational maths with 1998447616

• 1998447616 backwards is 6167448991
• The number of decimal digits it has is: 10
• The sum of 1998447616's digits is 55
• More coming soon!