1438249384

Names of 1438249384

• Cardinal: 1438249384 can be written as One billion, four hundred thirty-eight million, two hundred forty-nine thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.438249384 × 10⁹

Factors of 1438249384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 66214

Divisors of 1438249384

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 11 13 19 22 26 38 44 52 76 88 104 143 152 209 247 286 418 494 572 836 988 1144 1672 1976 2717 5434 10868 21736 66169 132338 264676 529352 727859 860197 1257211 1455718 1720394 2514422 2911436 3440788 5028844 5822872 6881576 9462167 10057688 13829321 16343743 18924334 27658642 32687486 37848668 55317284 65374972 75697336 110634568 130749944 179781173 359562346 719124692 1438249384
• Sum of all divisors σ(n): 3334968000
• Sum of proper divisors (its aliquot sum) s(n): 1896718616
• 1438249384 is an abundant number, because the sum of its proper divisors (1896718616) is greater than itself. Its abundance is 458469232

Bases of 1438249384

• Binary: 1010101101110011111000110101000₂
• Hexadecimal: 0x55B9F1A8
• Base-36: NSAOBS

Squares and roots of 1438249384

• 1438249384 squared (1438249384²) is 2068561290576379456
• 1438249384 cubed (1438249384³) is 2975107001937722757542255104
• The square root of 1438249384 is 37924.2585161529
• The cube root of 1438249384 is 1128.7854400013

Scales and comparisons

• 1,438,249,384 seconds is equal to 45 years, 38 weeks, 9 hours, 43 minutes, 4 seconds.
• To count from 1 to 1,438,249,384 would take you about ninety-one 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 1438249384 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438249384

• 1438249384 backwards is 4839428341
• The number of decimal digits it has is: 10
• The sum of 1438249384's digits is 46
• More coming soon!