161075421

161,075,421 is an odd composite number composed of four prime numbers multiplied together.

What does the number 161075421 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

161075421 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 161075421:

3² × 13² × 137 × 773

(3 × 3 × 13 × 13 × 137 × 773)

See below for interesting mathematical facts about the number 161075421 from the Numbermatics database.

Names of 161075421

Cardinal: 161075421 can be written as One hundred sixty-one million, seventy-five thousand, four hundred twenty-one.

Scientific notation

Scientific notation: 1.61075421 × 10⁸

Factors of 161075421

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 926

Divisors of 161075421

Number of divisors d(n): 36
Complete list of divisors:
1 3 9 13 39 117 137 169 411 507 773 1233 1521 1781 2319 5343 6957 10049 16029 23153 30147 69459 90441 105901 130637 208377 317703 391911 953109 1175733 1376713 4130139 12390417 17897269 53691807 161075421
Sum of all divisors σ(n): 254105748
Sum of proper divisors (its aliquot sum) s(n): 93030327
161075421 is a deficient number, because the sum of its proper divisors (93030327) is less than itself. Its deficiency is 68045094

Bases of 161075421

Binary: 1001100110011101000011011101₂
Hexadecimal: 0x999D0DD
Base-36: 2NWEL9

Squares and roots of 161075421

161075421 squared (161075421²) is 25945291250327241
161075421 cubed (161075421³) is 4179148711114076731843461
The square root of 161075421 is 12691.5491962171
The cube root of 161075421 is 544.0971174019

Scales and comparisons

How big is 161075421?

161,075,421 seconds is equal to 5 years, 6 weeks, 2 days, 7 hours, 10 minutes, 21 seconds.
To count from 1 to 161,075,421 would take you about seven 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 161075421 cubic inches would be around 45.3 feet tall.

Recreational maths with 161075421

161075421 backwards is 124570161
The number of decimal digits it has is: 9
The sum of 161075421's digits is 27
More coming soon!

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The information we have on file for 161075421 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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