1388697056

Names of 1388697056

• Cardinal: 1388697056 can be written as One billion, three hundred eighty-eight million, six hundred ninety-seven thousand and fifty-six.

Scientific notation

• Scientific notation: 1.388697056 × 10⁹

Factors of 1388697056

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 43396785

Divisors of 1388697056

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 16 32 43396783 86793566 173587132 347174264 694348528 1388697056
• Sum of all divisors σ(n): 2733997392
• Sum of proper divisors (its aliquot sum) s(n): 1345300336
• 1388697056 is a deficient number, because the sum of its proper divisors (1345300336) is less than itself. Its deficiency is 43396720

Bases of 1388697056

• Binary: 1010010110001011101010111100000₂
• Hexadecimal: 0x52C5D5E0
• Base-36: MYSLI8

Squares and roots of 1388697056

• 1388697056 squared (1388697056²) is 1928479513343067136
• 1388697056 cubed (1388697056³) is 2678073822735830049773551616
• The square root of 1388697056 is 37265.2258278411
• The cube root of 1388697056 is 1115.6702134025

Scales and comparisons

• 1,388,697,056 seconds is equal to 44 years, 8 weeks, 21 hours, 10 minutes, 56 seconds.
• To count from 1 to 1,388,697,056 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 1388697056 cubic inches would be around 93 feet tall.

Recreational maths with 1388697056

• 1388697056 backwards is 6507968831
• The number of decimal digits it has is: 10
• The sum of 1388697056's digits is 53
• More coming soon!