1218213

1,218,213 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1218213 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

1218213 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 1218213:

3³ × 45119

(3 × 3 × 3 × 45119)

See below for interesting mathematical facts about the number 1218213 from the Numbermatics database.

Names of 1218213

Cardinal: 1218213 can be written as One million, two hundred eighteen thousand, two hundred thirteen.

Scientific notation

Scientific notation: 1.218213 × 10⁶

Factors of 1218213

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 45122

Divisors of 1218213

Number of divisors d(n): 8
Complete list of divisors:
1 3 9 27 45119 135357 406071 1218213
Sum of all divisors σ(n): 1804800
Sum of proper divisors (its aliquot sum) s(n): 586587
1218213 is a deficient number, because the sum of its proper divisors (586587) is less than itself. Its deficiency is 631626

Bases of 1218213

Binary: 100101001011010100101₂
Hexadecimal: 0x1296A5
Base-36: Q3Z9

Squares and roots of 1218213

1218213 squared (1218213²) is 1484042913369
1218213 cubed (1218213³) is 1807880369623989597
The square root of 1218213 is 1103.7268683873
The cube root of 1218213 is 106.8007764115

Scales and comparisons

How big is 1218213?

1,218,213 seconds is equal to 2 weeks, 2 hours, 23 minutes, 33 seconds.
To count from 1 to 1,218,213 would take you about three weeks!

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 1218213 cubic inches would be around 8.9 feet tall.

Recreational maths with 1218213

1218213 backwards is 3128121
The number of decimal digits it has is: 7
The sum of 1218213's digits is 18
More coming soon!

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The information we have on file for 1218213 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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