1389241936

Names of 1389241936

• Cardinal: 1389241936 can be written as One billion, three hundred eighty-nine million, two hundred forty-one thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.389241936 × 10⁹

Factors of 1389241936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1358

Divisors of 1389241936

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 31 43 53 62 86 106 124 172 212 248 344 424 496 688 848 1229 1333 1643 2279 2458 2666 3286 4558 4916 5332 6572 9116 9832 10664 13144 18232 19664 21328 26288 36464 38099 52847 65137 70649 76198 105694 130274 141298 152396 211388 260548 282596 304792 422776 521096 565192 609584 845552 1042192 1130384 1638257 2019247 2800891 3276514 4038494 5601782 6553028 8076988 11203564 13106056 16153976 22407128 26212112 32307952 44814256 86827621 173655242 347310484 694620968 1389241936
• Sum of all divisors σ(n): 2899100160
• Sum of proper divisors (its aliquot sum) s(n): 1509858224
• 1389241936 is an abundant number, because the sum of its proper divisors (1509858224) is greater than itself. Its abundance is 120616288

Bases of 1389241936

• Binary: 1010010110011100010011001010000₂
• Hexadecimal: 0x52CE2650
• Base-36: MZ49XS

Squares and roots of 1389241936

• 1389241936 squared (1389241936²) is 1929993156741028096
• 1389241936 cubed (1389241936³) is 2681227429537657322717433856
• The square root of 1389241936 is 37272.5359480681
• The cube root of 1389241936 is 1115.8161120089

Scales and comparisons

• 1,389,241,936 seconds is equal to 44 years, 9 weeks, 4 hours, 32 minutes, 16 seconds.
• To count from 1 to 1,389,241,936 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 1389241936 cubic inches would be around 93 feet tall.

Recreational maths with 1389241936

• 1389241936 backwards is 6391429831
• The number of decimal digits it has is: 10
• The sum of 1389241936's digits is 46
• More coming soon!