399445940

399,445,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 399445940 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

399445940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 399445940:

2² × 5 × 17 × 191 × 6151

(2 × 2 × 5 × 17 × 191 × 6151)

See below for interesting mathematical facts about the number 399445940 from the Numbermatics database.

Names of 399445940

Cardinal: 399445940 can be written as Three hundred ninety-nine million, four hundred forty-five thousand, nine hundred forty.

Scientific notation

Scientific notation: 3.9944594 × 10⁸

Factors of 399445940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 6366

Divisors of 399445940

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 17 20 34 68 85 170 191 340 382 764 955 1910 3247 3820 6151 6494 12302 12988 16235 24604 30755 32470 61510 64940 104567 123020 209134 418268 522835 1045670 1174841 2091340 2349682 4699364 5874205 11748410 19972297 23496820 39944594 79889188 99861485 199722970 399445940
Sum of all divisors σ(n): 892975104
Sum of proper divisors (its aliquot sum) s(n): 493529164
399445940 is an abundant number, because the sum of its proper divisors (493529164) is greater than itself. Its abundance is 94083224

Bases of 399445940

Binary: 10111110011110000111110110100₂
Hexadecimal: 0x17CF0FB4
Base-36: 6LTIGK

Squares and roots of 399445940

399445940 squared (399445940²) is 159557058982483600
399445940 cubed (399445940³) is 63734419408893605136584000
The square root of 399445940 is 19986.1437000739
The cube root of 399445940 is 736.4659467843

Scales and comparisons

How big is 399445940?

399,445,940 seconds is equal to 12 years, 36 weeks, 3 days, 5 hours, 12 minutes, 20 seconds.
To count from 1 to 399,445,940 would take you about nineteen 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 399445940 cubic inches would be around 61.4 feet tall.

Recreational maths with 399445940

399445940 backwards is 049544993
The number of decimal digits it has is: 9
The sum of 399445940's digits is 47
More coming soon!

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The information we have on file for 399445940 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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