399909139

399,909,139 is an odd composite number composed of five prime numbers multiplied together.

What does the number 399909139 look like?

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

399909139 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 399909139:

7² × 17 × 59 × 79 × 103

(7 × 7 × 17 × 59 × 79 × 103)

See below for interesting mathematical facts about the number 399909139 from the Numbermatics database.

Names of 399909139

Cardinal: 399909139 can be written as Three hundred ninety-nine million, nine hundred nine thousand, one hundred thirty-nine.

Scientific notation

Scientific notation: 3.99909139 × 10⁸

Factors of 399909139

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 265

Divisors of 399909139

Number of divisors d(n): 48
Complete list of divisors:
1 7 17 49 59 79 103 119 413 553 721 833 1003 1343 1751 2891 3871 4661 5047 6077 7021 8137 9401 12257 32627 42539 49147 56959 65807 79237 85799 103309 138329 228389 297773 398713 480083 554659 723163 968303 3360581 3882613 5062141 6778121 8161411 23524067 57129877 399909139
Sum of all divisors σ(n): 512179200
Sum of proper divisors (its aliquot sum) s(n): 112270061
399909139 is a deficient number, because the sum of its proper divisors (112270061) is less than itself. Its deficiency is 287639078

Bases of 399909139

Binary: 10111110101100010000100010011₂
Hexadecimal: 0x17D62113
Base-36: 6M3FV7

Squares and roots of 399909139

399909139 squared (399909139²) is 159927319455721321
399909139 cubed (399909139³) is 63956396626115462105052619
The square root of 399909139 is 19997.7283459897
The cube root of 399909139 is 736.7505063723

Scales and comparisons

How big is 399909139?

399,909,139 seconds is equal to 12 years, 37 weeks, 1 day, 13 hours, 52 minutes, 19 seconds.
To count from 1 to 399,909,139 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 399909139 cubic inches would be around 61.4 feet tall.

Recreational maths with 399909139

399909139 backwards is 931909993
The number of decimal digits it has is: 9
The sum of 399909139's digits is 52
More coming soon!

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The information we have on file for 399909139 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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