1998436032

Names of 1998436032

• Cardinal: 1998436032 can be written as One billion, nine hundred ninety-eight million, four hundred thirty-six thousand and thirty-two.

Scientific notation

• Scientific notation: 1.998436032 × 10⁹

Factors of 1998436032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12633

Divisors of 1998436032

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 281 288 562 576 843 1124 1686 2248 2529 3372 4496 5058 6744 8992 10116 12347 13488 17984 20232 24694 26976 37041 40464 49388 53952 74082 80928 98776 111123 148164 161856 197552 222246 296328 395104 444492 592656 790208 888984 1185312 1777968 2370624 3469507 3555936 6939014 7111872 10408521 13878028 20817042 27756056 31225563 41634084 55512112 62451126 83268168 111024224 124902252 166536336 222048448 249804504 333072672 499609008 666145344 999218016 1998436032
• Sum of all divisors σ(n): 5749006536
• Sum of proper divisors (its aliquot sum) s(n): 3750570504
• 1998436032 is an abundant number, because the sum of its proper divisors (3750570504) is greater than itself. Its abundance is 1752134472

Bases of 1998436032

• Binary: 1110111000111011011011011000000₂
• Hexadecimal: 0x771DB6C0
• Base-36: X1TF40

Squares and roots of 1998436032

• 1998436032 squared (1998436032²) is 3993746573995905024
• 1998436032 cubed (1998436032³) is 7981247056149970820411424768
• The square root of 1998436032 is 44703.8704364623
• The cube root of 1998436032 is 1259.5925515525

Scales and comparisons

• 1,998,436,032 seconds is equal to 63 years, 28 weeks, 2 days, 1 hour, 7 minutes, 12 seconds.
• To count from 1 to 1,998,436,032 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 1998436032 cubic inches would be around 105 feet tall.

Recreational maths with 1998436032

• 1998436032 backwards is 2306348991
• The number of decimal digits it has is: 10
• The sum of 1998436032's digits is 45
• More coming soon!