20400625

20,400,625 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20400625 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

20400625 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 20400625:

5⁴ × 7 × 4663

(5 × 5 × 5 × 5 × 7 × 4663)

See below for interesting mathematical facts about the number 20400625 from the Numbermatics database.

Names of 20400625

Cardinal: 20400625 can be written as Twenty million, four hundred thousand, six hundred twenty-five.

Scientific notation

Scientific notation: 2.0400625 × 10⁷

Factors of 20400625

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 4675

Divisors of 20400625

Number of divisors d(n): 20
Complete list of divisors:
1 5 7 25 35 125 175 625 875 4375 4663 23315 32641 116575 163205 582875 816025 2914375 4080125 20400625
Sum of all divisors σ(n): 29140672
Sum of proper divisors (its aliquot sum) s(n): 8740047
20400625 is a deficient number, because the sum of its proper divisors (8740047) is less than itself. Its deficiency is 11660578

Bases of 20400625

Binary: 1001101110100100111110001₂
Hexadecimal: 0x13749F1
Base-36: C5981

Squares and roots of 20400625

20400625 squared (20400625²) is 416185500390625
20400625 cubed (20400625³) is 8490444323906494140625
The square root of 20400625 is 4516.7051043875
The cube root of 20400625 is 273.2422320165

Scales and comparisons

How big is 20400625?

20,400,625 seconds is equal to 33 weeks, 5 days, 2 hours, 50 minutes, 25 seconds.
To count from 1 to 20,400,625 would take you about fifty 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 20400625 cubic inches would be around 22.8 feet tall.

Recreational maths with 20400625

20400625 backwards is 52600402
The number of decimal digits it has is: 8
The sum of 20400625's digits is 19
More coming soon!

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The information we have on file for 20400625 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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