161820348361

161,820,348,361 is an odd composite number composed of two prime numbers multiplied together.

What does the number 161820348361 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

161820348361 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

Prime factorization of 161820348361:

7² × 57467²

(7 × 7 × 57467 × 57467)

See below for interesting mathematical facts about the number 161820348361 from the Numbermatics database.

Names of 161820348361

Cardinal: 161820348361 can be written as One hundred sixty-one billion, eight hundred twenty million, three hundred forty-eight thousand, three hundred sixty-one.

Scientific notation

Scientific notation: 1.61820348361 × 10¹¹

Factors of 161820348361

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 57474

Divisors of 161820348361

Number of divisors d(n): 9
Complete list of divisors:
1 7 49 57467 402269 2815883 3302456089 23117192623 161820348361
Sum of all divisors σ(n): 188243272749
Sum of proper divisors (its aliquot sum) s(n): 26422924388
161820348361 is a deficient number, because the sum of its proper divisors (26422924388) is less than itself. Its deficiency is 135397423973

Bases of 161820348361

Binary: 10010110101101001111101000111111001001₂
Hexadecimal: 0x25AD3E8FC9
Base-36: 22C7NNWP

Squares and roots of 161820348361

161820348361 squared (161820348361²) is 26185825143675395386321
161820348361 cubed (161820348361³) is 4237399346869785357318876394169881
161820348361 is a perfect square number. Its square root is 402269
The cube root of 161820348361 is 5449.3459177551

Scales and comparisons

How big is 161820348361?

161,820,348,361 seconds is equal to 5,145 years, 20 weeks, 16 hours, 46 minutes, 1 second.
To count from 1 to 161,820,348,361 would take you about ten thousand, two hundred ninety 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 161820348361 cubic inches would be around 454.1 feet tall.

Recreational maths with 161820348361

161820348361 backwards is 163843028161
The number of decimal digits it has is: 12
The sum of 161820348361's digits is 43
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The information we have on file for 161820348361 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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