1389969315

Names of 1389969315

• Cardinal: 1389969315 can be written as One billion, three hundred eighty-nine million, nine hundred sixty-nine thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 1.389969315 × 10⁹

Factors of 1389969315

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2385

Divisors of 1389969315

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 229 315 405 567 687 945 1145 1603 2061 2141 2835 3435 4809 6183 6423 8015 10305 10705 14427 14987 18549 19269 24045 30915 32115 43281 44961 57807 72135 74935 92745 96345 129843 134883 173421 216405 224805 289035 404649 490289 649215 674415 867105 1213947 1470867 2023245 2451445 3432023 4412601 6069735 7354335 10296069 13237803 17160115 22063005 30888207 39713409 51480345 66189015 92664621 154441035 198567045 277993863 463323105 1389969315
• Sum of all divisors σ(n): 2861369280
• Sum of proper divisors (its aliquot sum) s(n): 1471399965
• 1389969315 is an abundant number, because the sum of its proper divisors (1471399965) is greater than itself. Its abundance is 81430650

Bases of 1389969315

• Binary: 1010010110110010011111110100011₂
• Hexadecimal: 0x52D93FA3
• Base-36: MZJV6R

Squares and roots of 1389969315

• 1389969315 squared (1389969315²) is 1932014696641569225
• 1389969315 cubed (1389969315³) is 2685441144460814776198330875
• The square root of 1389969315 is 37282.2922444425
• The cube root of 1389969315 is 1116.0108176197

Scales and comparisons

• 1,389,969,315 seconds is equal to 44 years, 10 weeks, 1 day, 14 hours, 35 minutes, 15 seconds.
• To count from 1 to 1,389,969,315 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 1389969315 cubic inches would be around 93 feet tall.

Recreational maths with 1389969315

• 1389969315 backwards is 5139699831
• The number of decimal digits it has is: 10
• The sum of 1389969315's digits is 54
• More coming soon!