1272990

1,272,990 is an even composite number composed of four prime numbers multiplied together.

What does the number 1272990 look like?

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

1272990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1272990:

2 × 3 × 5 × 42433

See below for interesting mathematical facts about the number 1272990 from the Numbermatics database.

Names of 1272990

Cardinal: 1272990 can be written as One million, two hundred seventy-two thousand, nine hundred ninety.

Scientific notation

Scientific notation: 1.27299 × 10⁶

Factors of 1272990

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 42443

Divisors of 1272990

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 42433 84866 127299 212165 254598 424330 636495 1272990
Sum of all divisors σ(n): 3055248
Sum of proper divisors (its aliquot sum) s(n): 1782258
1272990 is an abundant number, because the sum of its proper divisors (1782258) is greater than itself. Its abundance is 509268

Bases of 1272990

Binary: 100110110110010011110₂
Hexadecimal: 0x136C9E
Base-36: RA8U

Squares and roots of 1272990

1272990 squared (1272990²) is 1620503540100
1272990 cubed (1272990³) is 2062884801511899000
The square root of 1272990 is 1128.2685850453
The cube root of 1272990 is 108.3781326877

Scales and comparisons

How big is 1272990?

1,272,990 seconds is equal to 2 weeks, 17 hours, 36 minutes, 30 seconds.
To count from 1 to 1,272,990 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 1272990 cubic inches would be around 9 feet tall.

Recreational maths with 1272990

1272990 backwards is 0992721
1272990 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1272990's digits is 30
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The information we have on file for 1272990 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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