1491427161

1,491,427,161 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1491427161 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.

1491427161 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.

Prime factorization of 1491427161:

3⁴ × 7² × 613²

(3 × 3 × 3 × 3 × 7 × 7 × 613 × 613)

See below for interesting mathematical facts about the number 1491427161 from the Numbermatics database.

Names of 1491427161

Cardinal: 1491427161 can be written as One billion, four hundred ninety-one million, four hundred twenty-seven thousand, one hundred sixty-one.

Scientific notation

Scientific notation: 1.491427161 × 10⁹

Factors of 1491427161

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 623

Divisors of 1491427161

Number of divisors d(n): 45
Complete list of divisors:
1 3 7 9 21 27 49 63 81 147 189 441 567 613 1323 1839 3969 4291 5517 12873 16551 30037 38619 49653 90111 115857 270333 347571 375769 810999 1127307 2432997 2630383 3381921 7891149 10145763 18412681 23673447 30437289 55238043 71020341 165714129 213061023 497142387 1491427161
Sum of all divisors σ(n): 2595913551
Sum of proper divisors (its aliquot sum) s(n): 1104486390
1491427161 is a deficient number, because the sum of its proper divisors (1104486390) is less than itself. Its deficiency is 386940771

Bases of 1491427161

Binary: 1011000111001010101111101011001₂
Hexadecimal: 0x58E55F59
Base-36: ONYGK9

Squares and roots of 1491427161

1491427161 squared (1491427161²) is 2224354976568519921
1491427161 cubed (1491427161³) is 3317463427759809187748974281
1491427161 is a perfect square number. Its square root is 38619
The cube root of 1491427161 is 1142.5293079193

Scales and comparisons

How big is 1491427161?

1,491,427,161 seconds is equal to 47 years, 21 weeks, 6 days, 21 hours, 19 minutes, 21 seconds.
To count from 1 to 1,491,427,161 would take you about ninety-four years!

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 1491427161 cubic inches would be around 95.2 feet tall.

Recreational maths with 1491427161

1491427161 backwards is 1617241941
The number of decimal digits it has is: 10
The sum of 1491427161's digits is 36
More coming soon!

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The information we have on file for 1491427161 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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