3128356940

Names of 3128356940

• Cardinal: 3128356940 can be written as Three billion, one hundred twenty-eight million, three hundred fifty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.12835694 × 10⁹

Factors of 3128356940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 737

Divisors of 3128356940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 31 61 62 122 124 155 181 244 305 310 362 457 610 620 724 905 914 1220 1810 1828 1891 2285 3620 3782 4570 5611 7564 9140 9455 11041 11222 14167 18910 22082 22444 27877 28055 28334 37820 44164 55205 55754 56110 56668 70835 82717 110410 111508 112220 139385 141670 165434 220820 278770 283340 330868 342271 413585 557540 684542 827170 864187 1369084 1654340 1711355 1728374 2564227 3422710 3456748 4320935 5045737 5128454 6845420 8641870 10091474 10256908 12821135 17283740 20182948 25228685 25642270 50457370 51284540 100914740 156417847 312835694 625671388 782089235 1564178470 3128356940
• Sum of all divisors σ(n): 6945888768
• Sum of proper divisors (its aliquot sum) s(n): 3817531828
• 3128356940 is an abundant number, because the sum of its proper divisors (3817531828) is greater than itself. Its abundance is 689174888

Bases of 3128356940

• Binary: 10111010011101101111000001001100₂
• Hexadecimal: 0xBA76F04C
• Base-36: 1FQJJNW

Squares and roots of 3128356940

• 3128356940 squared (3128356940²) is 9786617144046163600
• 3128356940 cubed (3128356940³) is 30616031661699795578435384000
• The square root of 3128356940 is 55931.7167624953
• The cube root of 3128356940 is 1462.5321885433

Scales and comparisons

• 3,128,356,940 seconds is equal to 99 years, 24 weeks, 3 days, 20 hours, 2 minutes, 20 seconds.
• To count from 1 to 3,128,356,940 would take you about one hundred ninety-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 3128356940 cubic inches would be around 121.9 feet tall.

Recreational maths with 3128356940

• 3128356940 backwards is 0496538213
• The number of decimal digits it has is: 10
• The sum of 3128356940's digits is 41
• More coming soon!