1421220

1,421,220 is an even composite number composed of four prime numbers multiplied together.

What does the number 1421220 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

1421220 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 1421220:

2² × 3 × 5 × 23687

(2 × 2 × 3 × 5 × 23687)

See below for interesting mathematical facts about the number 1421220 from the Numbermatics database.

Names of 1421220

Cardinal: 1421220 can be written as One million, four hundred twenty-one thousand, two hundred twenty.

Scientific notation

Scientific notation: 1.42122 × 10⁶

Factors of 1421220

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 23697

Divisors of 1421220

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 60 23687 47374 71061 94748 118435 142122 236870 284244 355305 473740 710610 1421220
Sum of all divisors σ(n): 3979584
Sum of proper divisors (its aliquot sum) s(n): 2558364
1421220 is an abundant number, because the sum of its proper divisors (2558364) is greater than itself. Its abundance is 1137144

Bases of 1421220

Binary: 101011010111110100100₂
Hexadecimal: 0x15AFA4
Base-36: UGMC

Squares and roots of 1421220

1421220 squared (1421220²) is 2019866288400
1421220 cubed (1421220³) is 2870674366399848000
The square root of 1421220 is 1192.1493195065
The cube root of 1421220 is 112.4312666569

Scales and comparisons

How big is 1421220?

1,421,220 seconds is equal to 2 weeks, 2 days, 10 hours, 47 minutes.
To count from 1 to 1,421,220 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 1421220 cubic inches would be around 9.4 feet tall.

Recreational maths with 1421220

1421220 backwards is 0221241
1421220 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1421220's digits is 12
More coming soon!

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The information we have on file for 1421220 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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