12749990

12,749,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 12749990 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

12749990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 12749990:

2 × 5 × 11 × 31 × 3739

See below for interesting mathematical facts about the number 12749990 from the Numbermatics database.

Names of 12749990

Cardinal: 12749990 can be written as Twelve million, seven hundred forty-nine thousand, nine hundred ninety.

Scientific notation

Scientific notation: 1.274999 × 10⁷

Factors of 12749990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 3788

Divisors of 12749990

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 3739 7478 18695 37390 41129 82258 115909 205645 231818 411290 579545 1159090 1274999 2549998 6374995 12749990
Sum of all divisors σ(n): 25850880
Sum of proper divisors (its aliquot sum) s(n): 13100890
12749990 is an abundant number, because the sum of its proper divisors (13100890) is greater than itself. Its abundance is 350900

Bases of 12749990

Binary: 110000101000110010100110₂
Hexadecimal: 0xC28CA6
Base-36: 7L9YE

Squares and roots of 12749990

12749990 squared (12749990²) is 162562245000100
12749990 cubed (12749990³) is 2072666998128824999000
The square root of 12749990 is 3570.7128139911
The cube root of 12749990 is 233.6163753415

Scales and comparisons

How big is 12749990?

12,749,990 seconds is equal to 21 weeks, 13 hours, 39 minutes, 50 seconds.
To count from 1 to 12,749,990 would take you about thirty-one 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 12749990 cubic inches would be around 19.5 feet tall.

Recreational maths with 12749990

12749990 backwards is 09994721
The number of decimal digits it has is: 8
The sum of 12749990's digits is 41
More coming soon!

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The information we have on file for 12749990 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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