221012155

221,012,155 is an odd composite number composed of five prime numbers multiplied together.

What does the number 221012155 look like?

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

221012155 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 221012155:

5 × 7 × 13 × 17 × 28573

See below for interesting mathematical facts about the number 221012155 from the Numbermatics database.

Names of 221012155

Cardinal: 221012155 can be written as Two hundred twenty-one million, twelve thousand, one hundred fifty-five.

Scientific notation

Scientific notation: 2.21012155 × 10⁸

Factors of 221012155

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 28615

Divisors of 221012155

Number of divisors d(n): 32
Complete list of divisors:
1 5 7 13 17 35 65 85 91 119 221 455 595 1105 1547 7735 28573 142865 200011 371449 485741 1000055 1857245 2428705 2600143 3400187 6314633 13000715 17000935 31573165 44202431 221012155
Sum of all divisors σ(n): 345631104
Sum of proper divisors (its aliquot sum) s(n): 124618949
221012155 is a deficient number, because the sum of its proper divisors (124618949) is less than itself. Its deficiency is 96393206

Bases of 221012155

Binary: 1101001011000110000010111011₂
Hexadecimal: 0xD2C60BB
Base-36: 3NL22J

Squares and roots of 221012155

221012155 squared (221012155²) is 48846372657744025
221012155 cubed (221012155³) is 10795642085021084403623875
The square root of 221012155 is 14866.4775585879
The cube root of 221012155 is 604.6054436279

Scales and comparisons

How big is 221012155?

221,012,155 seconds is equal to 7 years, 1 week, 3 days, 15 minutes, 55 seconds.
To count from 1 to 221,012,155 would take you about ten 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 221012155 cubic inches would be around 50.4 feet tall.

Recreational maths with 221012155

221012155 backwards is 551210122
The number of decimal digits it has is: 9
The sum of 221012155's digits is 19
More coming soon!

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The information we have on file for 221012155 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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