1220555

1,220,555 is an odd composite number composed of four prime numbers multiplied together.

What does the number 1220555 look like?

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

1220555 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 1220555:

5 × 7 × 43 × 811

See below for interesting mathematical facts about the number 1220555 from the Numbermatics database.

Names of 1220555

Cardinal: 1220555 can be written as One million, two hundred twenty thousand, five hundred fifty-five.

Scientific notation

Scientific notation: 1.220555 × 10⁶

Factors of 1220555

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 866

Divisors of 1220555

Number of divisors d(n): 16
Complete list of divisors:
1 5 7 35 43 215 301 811 1505 4055 5677 28385 34873 174365 244111 1220555
Sum of all divisors σ(n): 1714944
Sum of proper divisors (its aliquot sum) s(n): 494389
1220555 is a deficient number, because the sum of its proper divisors (494389) is less than itself. Its deficiency is 726166

Bases of 1220555

Binary: 100101001111111001011₂
Hexadecimal: 0x129FCB
Base-36: Q5SB

Squares and roots of 1220555

1220555 squared (1220555²) is 1489754508025
1220555 cubed (1220555³) is 1818327313542453875
The square root of 1220555 is 1104.7873098475
The cube root of 1220555 is 106.8691736733

Scales and comparisons

How big is 1220555?

1,220,555 seconds is equal to 2 weeks, 3 hours, 2 minutes, 35 seconds.
To count from 1 to 1,220,555 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 1220555 cubic inches would be around 8.9 feet tall.

Recreational maths with 1220555

1220555 backwards is 5550221
The number of decimal digits it has is: 7
The sum of 1220555's digits is 20
More coming soon!

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The information we have on file for 1220555 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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