1620220

1,620,220 is an even composite number composed of five prime numbers multiplied together.

What does the number 1620220 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

1620220 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 1620220:

2² × 5 × 7 × 71 × 163

(2 × 2 × 5 × 7 × 71 × 163)

See below for interesting mathematical facts about the number 1620220 from the Numbermatics database.

Names of 1620220

Cardinal: 1620220 can be written as One million, six hundred twenty thousand, two hundred twenty.

Scientific notation

Scientific notation: 1.62022 × 10⁶

Factors of 1620220

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 248

Divisors of 1620220

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 70 71 140 142 163 284 326 355 497 652 710 815 994 1141 1420 1630 1988 2282 2485 3260 4564 4970 5705 9940 11410 11573 22820 23146 46292 57865 81011 115730 162022 231460 324044 405055 810110 1620220
Sum of all divisors σ(n): 3967488
Sum of proper divisors (its aliquot sum) s(n): 2347268
1620220 is an abundant number, because the sum of its proper divisors (2347268) is greater than itself. Its abundance is 727048

Bases of 1620220

Binary: 110001011100011111100₂
Hexadecimal: 0x18B8FC
Base-36: YQ64

Squares and roots of 1620220

1620220 squared (1620220²) is 2625112848400
1620220 cubed (1620220³) is 4253260339234648000
The square root of 1620220 is 1272.8786273639
The cube root of 1620220 is 117.4513454813

Scales and comparisons

How big is 1620220?

1,620,220 seconds is equal to 2 weeks, 4 days, 18 hours, 3 minutes, 40 seconds.
To count from 1 to 1,620,220 would take you about four 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 1620220 cubic inches would be around 9.8 feet tall.

Recreational maths with 1620220

1620220 backwards is 0220261
The number of decimal digits it has is: 7
The sum of 1620220's digits is 13
More coming soon!

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The information we have on file for 1620220 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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