398013405

398,013,405 is an odd composite number composed of three prime numbers multiplied together.

What does the number 398013405 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

398013405 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 398013405:

3 × 5 × 26534227

See below for interesting mathematical facts about the number 398013405 from the Numbermatics database.

Names of 398013405

Cardinal: 398013405 can be written as Three hundred ninety-eight million, thirteen thousand, four hundred five.

Scientific notation

Scientific notation: 3.98013405 × 10⁸

Factors of 398013405

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 26534235

Divisors of 398013405

Number of divisors d(n): 8
Complete list of divisors:
1 3 5 15 26534227 79602681 132671135 398013405
Sum of all divisors σ(n): 636821472
Sum of proper divisors (its aliquot sum) s(n): 238808067
398013405 is a deficient number, because the sum of its proper divisors (238808067) is less than itself. Its deficiency is 159205338

Bases of 398013405

Binary: 10111101110010011001111011101₂
Hexadecimal: 0x17B933DD
Base-36: 6KYT3X

Squares and roots of 398013405

398013405 squared (398013405²) is 158414670559694025
398013405 cubed (398013405³) is 63051162431417074648405125
The square root of 398013405 is 19950.2733063985
The cube root of 398013405 is 735.5844950383

Scales and comparisons

How big is 398013405?

398,013,405 seconds is equal to 12 years, 34 weeks, 15 hours, 16 minutes, 45 seconds.
To count from 1 to 398,013,405 would take you about eighteen 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 398013405 cubic inches would be around 61.3 feet tall.

Recreational maths with 398013405

398013405 backwards is 504310893
The number of decimal digits it has is: 9
The sum of 398013405's digits is 33
More coming soon!

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The information we have on file for 398013405 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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