155355985

155,355,985 is an odd composite number composed of four prime numbers multiplied together.

What does the number 155355985 look like?

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

155355985 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 155355985:

5 × 53 × 313 × 1873

See below for interesting mathematical facts about the number 155355985 from the Numbermatics database.

Names of 155355985

Cardinal: 155355985 can be written as One hundred fifty-five million, three hundred fifty-five thousand, nine hundred eighty-five.

Scientific notation

Scientific notation: 1.55355985 × 10⁸

Factors of 155355985

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 2244

Divisors of 155355985

Number of divisors d(n): 16
Complete list of divisors:
1 5 53 265 313 1565 1873 9365 16589 82945 99269 496345 586249 2931245 31071197 155355985
Sum of all divisors σ(n): 190653264
Sum of proper divisors (its aliquot sum) s(n): 35297279
155355985 is a deficient number, because the sum of its proper divisors (35297279) is less than itself. Its deficiency is 120058706

Bases of 155355985

Binary: 1001010000101000101101010001₂
Hexadecimal: 0x9428B51
Base-36: 2KHTG1

Squares and roots of 155355985

155355985 squared (155355985²) is 24135482075320225
155355985 cubed (155355985³) is 3749591591261217745296625
The square root of 155355985 is 12464.1881003135
The cube root of 155355985 is 537.5794553535

Scales and comparisons

How big is 155355985?

155,355,985 seconds is equal to 4 years, 48 weeks, 6 days, 2 hours, 26 minutes, 25 seconds.
To count from 1 to 155,355,985 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 155355985 cubic inches would be around 44.8 feet tall.

Recreational maths with 155355985

155355985 backwards is 589553551
The number of decimal digits it has is: 9
The sum of 155355985's digits is 46
More coming soon!

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The information we have on file for 155355985 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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