1398121349

Names of 1398121349

• Cardinal: 1398121349 can be written as One billion, three hundred ninety-eight million, one hundred twenty-one thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 1.398121349 × 10⁹

Factors of 1398121349

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 20647

Divisors of 1398121349

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 2689 17929 77981 519941 48211081 1398121349
• Sum of all divisors σ(n): 1446951000
• Sum of proper divisors (its aliquot sum) s(n): 48829651
• 1398121349 is a deficient number, because the sum of its proper divisors (48829651) is less than itself. Its deficiency is 1349291698

Bases of 1398121349

• Binary: 1010011010101011010001110000101₂
• Hexadecimal: 0x5355A385
• Base-36: N4ELC5

Squares and roots of 1398121349

• 1398121349 squared (1398121349²) is 1954743306529579801
• 1398121349 cubed (1398121349³) is 2732968348673856619777271549
• The square root of 1398121349 is 37391.4609102131
• The cube root of 1398121349 is 1118.1883309257

Scales and comparisons

• 1,398,121,349 seconds is equal to 44 years, 23 weeks, 4 days, 23 hours, 2 minutes, 29 seconds.
• To count from 1 to 1,398,121,349 would take you about eighty-eight 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 1398121349 cubic inches would be around 93.2 feet tall.

Recreational maths with 1398121349

• 1398121349 backwards is 9431218931
• The number of decimal digits it has is: 10
• The sum of 1398121349's digits is 41
• More coming soon!