2440
Mercury's radius is about 2,440 km.
- Even
- Composite
Where 2440 fits
Why 2440 is special
Mercury is smaller than two moons in the solar system, Ganymede and Titan. It has almost no atmosphere and the largest temperature range of any planet, from about 430 degrees Celsius in sunlight to minus 180 in shadow.
Factors & digit properties
- Divisors (16)
- 1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440
- Prime factorisation
- 2^3 × 5 × 61
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 2440
- Binary
- 100110001000
- Octal
- 4610
- Hexadecimal
- 988
- Roman numeral
- MMCDXL
- Scientific notation
- 2.440 × 10^3
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
Mercury and Venus. Mercury is smaller than two moons in the solar system; Venus is nearly Earth's size and hotter than Mercury despite being further from the Sun.
View 6052 →Other connections
- contrasts with6052
why?
Strength 0.50, confidence "high".
Science
Mercury is smaller than Ganymede and Titan. With almost no atmosphere to move heat around, its surface ranges from about 430 degrees Celsius in sunlight to about minus 180 in shadow — the widest span of any planet.
DocumentedScience
Common questions
Is 2440 a prime number?
No, 2440 is not prime.
What are the factors of 2440?
The factors of 2440 are 1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440.
What is 2440 in Roman numerals?
2440 in Roman numerals is MMCDXL.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026