13889388400

Names of 13889388400

• Cardinal: 13889388400 can be written as Thirteen billion, eight hundred eighty-nine million, three hundred eighty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.38893884 × 10¹⁰

Factors of 13889388400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 68735

Divisors of 13889388400

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 509 1018 2036 2545 4072 5090 8144 10180 12725 20360 25450 40720 50900 68219 101800 136438 203600 272876 341095 545752 682190 1091504 1364380 1705475 2728760 3410950 5457520 6821900 13643800 27287600 34723471 69446942 138893884 173617355 277787768 347234710 555575536 694469420 868086775 1388938840 1736173550 2777877680 3472347100 6944694200 13889388400
• Sum of all divisors σ(n): 33435304200
• Sum of proper divisors (its aliquot sum) s(n): 19545915800
• 13889388400 is an abundant number, because the sum of its proper divisors (19545915800) is greater than itself. Its abundance is 5656527400

Bases of 13889388400

• Binary: 1100111011110111110011111101110000₂
• Hexadecimal: 0x33BDF3F70
• Base-36: 6DPDSOG

Squares and roots of 13889388400

• 13889388400 squared (13889388400²) is 192915110126054560000
• 13889388400 cubed (13889388400³) is 2679472892769544743431104000000
• The square root of 13889388400 is 117853.2494248671
• The cube root of 13889388400 is 2403.7781002875

Scales and comparisons

• 13,889,388,400 seconds is equal to 441 years, 33 weeks, 1 day, 19 hours, 26 minutes, 40 seconds.
• To count from 1 to 13,889,388,400 would take you about eight hundred eighty-three 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 13889388400 cubic inches would be around 200.3 feet tall.

Recreational maths with 13889388400

• 13889388400 backwards is 00488398831
• The number of decimal digits it has is: 11
• The sum of 13889388400's digits is 52
• More coming soon!