1242105

1,242,105 is an odd composite number composed of four prime numbers multiplied together.

What does the number 1242105 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

1242105 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1242105:

3 × 5 × 17 × 4871

See below for interesting mathematical facts about the number 1242105 from the Numbermatics database.

Names of 1242105

Cardinal: 1242105 can be written as One million, two hundred forty-two thousand, one hundred five.

Scientific notation

Scientific notation: 1.242105 × 10⁶

Factors of 1242105

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 4896

Divisors of 1242105

Number of divisors d(n): 16
Complete list of divisors:
1 3 5 15 17 51 85 255 4871 14613 24355 73065 82807 248421 414035 1242105
Sum of all divisors σ(n): 2104704
Sum of proper divisors (its aliquot sum) s(n): 862599
1242105 is a deficient number, because the sum of its proper divisors (862599) is less than itself. Its deficiency is 379506

Bases of 1242105

Binary: 100101111001111111001₂
Hexadecimal: 0x12F3F9
Base-36: QMEX

Squares and roots of 1242105

1242105 squared (1242105²) is 1542824831025
1242105 cubed (1242105³) is 1916350436740307625
The square root of 1242105 is 1114.4976446811
The cube root of 1242105 is 107.4944651919

Scales and comparisons

How big is 1242105?

1,242,105 seconds is equal to 2 weeks, 9 hours, 1 minute, 45 seconds.
To count from 1 to 1,242,105 would take you about three weeks!

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 1242105 cubic inches would be around 9 feet tall.

Recreational maths with 1242105

1242105 backwards is 5012421
1242105 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1242105's digits is 15
More coming soon!

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The information we have on file for 1242105 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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