1279920

1,279,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 1279920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

1279920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 1279920:

2⁴ × 3 × 5 × 5333

(2 × 2 × 2 × 2 × 3 × 5 × 5333)

See below for interesting mathematical facts about the number 1279920 from the Numbermatics database.

Names of 1279920

Cardinal: 1279920 can be written as One million, two hundred seventy-nine thousand, nine hundred twenty.

Scientific notation

Scientific notation: 1.27992 × 10⁶

Factors of 1279920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 5343

Divisors of 1279920

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 5333 10666 15999 21332 26665 31998 42664 53330 63996 79995 85328 106660 127992 159990 213320 255984 319980 426640 639960 1279920
Sum of all divisors σ(n): 3968496
Sum of proper divisors (its aliquot sum) s(n): 2688576
1279920 is an abundant number, because the sum of its proper divisors (2688576) is greater than itself. Its abundance is 1408656

Bases of 1279920

Binary: 100111000011110110000₂
Hexadecimal: 0x1387B0
Base-36: RFLC

Squares and roots of 1279920

1279920 squared (1279920²) is 1638195206400
1279920 cubed (1279920³) is 2096758808575488000
The square root of 1279920 is 1131.3354940069
The cube root of 1279920 is 108.5744426019

Scales and comparisons

How big is 1279920?

1,279,920 seconds is equal to 2 weeks, 19 hours, 32 minutes.
To count from 1 to 1,279,920 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 1279920 cubic inches would be around 9 feet tall.

Recreational maths with 1279920

1279920 backwards is 0299721
1279920 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1279920's digits is 30
More coming soon!

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The information we have on file for 1279920 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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