1990105

1,990,105 is an odd composite number composed of four prime numbers multiplied together.

What does the number 1990105 look like?

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

1990105 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 1990105:

5 × 13 × 17 × 1801

See below for interesting mathematical facts about the number 1990105 from the Numbermatics database.

Names of 1990105

Cardinal: 1990105 can be written as One million, nine hundred ninety thousand, one hundred five.

Scientific notation

Scientific notation: 1.990105 × 10⁶

Factors of 1990105

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 1836

Divisors of 1990105

Number of divisors d(n): 16
Complete list of divisors:
1 5 13 17 65 85 221 1105 1801 9005 23413 30617 117065 153085 398021 1990105
Sum of all divisors σ(n): 2724624
Sum of proper divisors (its aliquot sum) s(n): 734519
1990105 is a deficient number, because the sum of its proper divisors (734519) is less than itself. Its deficiency is 1255586

Bases of 1990105

Binary: 111100101110111011001₂
Hexadecimal: 0x1E5DD9
Base-36: 16NKP

Squares and roots of 1990105

1990105 squared (1990105²) is 3960517911025
1990105 cubed (1990105³) is 7881846497320407625
The square root of 1990105 is 1410.7108137389
The cube root of 1990105 is 125.7839793975

Scales and comparisons

How big is 1990105?

1,990,105 seconds is equal to 3 weeks, 2 days, 48 minutes, 25 seconds.
To count from 1 to 1,990,105 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 1990105 cubic inches would be around 10.5 feet tall.

Recreational maths with 1990105

1990105 backwards is 5010991
The number of decimal digits it has is: 7
The sum of 1990105's digits is 25
More coming soon!

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The information we have on file for 1990105 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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