2121280

2,121,280 is an even composite number composed of four prime numbers multiplied together.

What does the number 2121280 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

2121280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 2121280:

2⁶ × 5 × 7 × 947

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 947)

See below for interesting mathematical facts about the number 2121280 from the Numbermatics database.

Names of 2121280

Cardinal: 2121280 can be written as Two million, one hundred twenty-one thousand, two hundred eighty.

Scientific notation

Scientific notation: 2.12128 × 10⁶

Factors of 2121280

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 961

Divisors of 2121280

Number of divisors d(n): 56
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 947 1120 1894 2240 3788 4735 6629 7576 9470 13258 15152 18940 26516 30304 33145 37880 53032 60608 66290 75760 106064 132580 151520 212128 265160 303040 424256 530320 1060640 2121280
Sum of all divisors σ(n): 5779008
Sum of proper divisors (its aliquot sum) s(n): 3657728
2121280 is an abundant number, because the sum of its proper divisors (3657728) is greater than itself. Its abundance is 1536448

Bases of 2121280

Binary: 1000000101111001000000₂
Hexadecimal: 0x205E40
Base-36: 19GSG

Squares and roots of 2121280

2121280 squared (2121280²) is 4499828838400
2121280 cubed (2121280³) is 9545396918321152000
The square root of 2121280 is 1456.4614653331
The cube root of 2121280 is 128.4890147917

Scales and comparisons

How big is 2121280?

2,121,280 seconds is equal to 3 weeks, 3 days, 13 hours, 14 minutes, 40 seconds.
To count from 1 to 2,121,280 would take you about five 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 2121280 cubic inches would be around 10.7 feet tall.

Recreational maths with 2121280

2121280 backwards is 0821212
2121280 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 2121280's digits is 16
More coming soon!

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The information we have on file for 2121280 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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