1988385

1,988,385 is an odd composite number composed of five prime numbers multiplied together.

What does the number 1988385 look like?

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

1988385 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 1988385:

3 × 5 × 7 × 29 × 653

See below for interesting mathematical facts about the number 1988385 from the Numbermatics database.

Names of 1988385

Cardinal: 1988385 can be written as One million, nine hundred eighty-eight thousand, three hundred eighty-five.

Scientific notation

Scientific notation: 1.988385 × 10⁶

Factors of 1988385

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 697

Divisors of 1988385

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 7 15 21 29 35 87 105 145 203 435 609 653 1015 1959 3045 3265 4571 9795 13713 18937 22855 56811 68565 94685 132559 284055 397677 662795 1988385
Sum of all divisors σ(n): 3767040
Sum of proper divisors (its aliquot sum) s(n): 1778655
1988385 is a deficient number, because the sum of its proper divisors (1778655) is less than itself. Its deficiency is 209730

Bases of 1988385

Binary: 111100101011100100001₂
Hexadecimal: 0x1E5721
Base-36: 16M8X

Squares and roots of 1988385

1988385 squared (1988385²) is 3953674908225
1988385 cubed (1988385³) is 7861427882390966625
The square root of 1988385 is 1410.1010602081
The cube root of 1988385 is 125.7477315945

Scales and comparisons

How big is 1988385?

1,988,385 seconds is equal to 3 weeks, 2 days, 19 minutes, 45 seconds.
To count from 1 to 1,988,385 would take you about four 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 1988385 cubic inches would be around 10.5 feet tall.

Recreational maths with 1988385

1988385 backwards is 5838891
The number of decimal digits it has is: 7
The sum of 1988385's digits is 42
More coming soon!

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The information we have on file for 1988385 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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