3129386429

Names of 3129386429

• Cardinal: 3129386429 can be written as Three billion, one hundred twenty-nine million, three hundred eighty-six thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 3.129386429 × 10⁹

Factors of 3129386429

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1079707

Divisors of 3129386429

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 223 2899 1079471 14033123 240722033 3129386429
• Sum of all divisors σ(n): 3385224192
• Sum of proper divisors (its aliquot sum) s(n): 255837763
• 3129386429 is a deficient number, because the sum of its proper divisors (255837763) is less than itself. Its deficiency is 2873548666

Bases of 3129386429

• Binary: 10111010100001101010010110111101₂
• Hexadecimal: 0xBA86A5BD
• Base-36: 1FR5M0T

Squares and roots of 3129386429

• 3129386429 squared (3129386429²) is 9793059422009372041
• 3129386429 cubed (3129386429³) is 30646267253626712775917431589
• The square root of 3129386429 is 55940.9190932719
• The cube root of 3129386429 is 1462.6926024279

Scales and comparisons

• 3,129,386,429 seconds is equal to 99 years, 26 weeks, 1 day, 18 hours, 29 seconds.
• To count from 1 to 3,129,386,429 would take you about one hundred ninety-nine 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 3129386429 cubic inches would be around 121.9 feet tall.

Recreational maths with 3129386429

• 3129386429 backwards is 9246839213
• The number of decimal digits it has is: 10
• The sum of 3129386429's digits is 47
• More coming soon!