989981390

989,981,390 is an even composite number composed of five prime numbers multiplied together.

What does the number 989981390 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

989981390 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 989981390:

2 × 5 × 79 × 809 × 1549

See below for interesting mathematical facts about the number 989981390 from the Numbermatics database.

Names of 989981390

Cardinal: 989981390 can be written as Nine hundred eighty-nine million, nine hundred eighty-one thousand, three hundred ninety.

Scientific notation

Scientific notation: 9.8998139 × 10⁸

Factors of 989981390

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 2444

Divisors of 989981390

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 10 79 158 395 790 809 1549 1618 3098 4045 7745 8090 15490 63911 122371 127822 244742 319555 611855 639110 1223710 1253141 2506282 6265705 12531410 98998139 197996278 494990695 989981390
Sum of all divisors σ(n): 1807920000
Sum of proper divisors (its aliquot sum) s(n): 817938610
989981390 is a deficient number, because the sum of its proper divisors (817938610) is less than itself. Its deficiency is 172042780

Bases of 989981390

Binary: 111011000000011110101011001110₂
Hexadecimal: 0x3B01EACE
Base-36: GDEQJ2

Squares and roots of 989981390

989981390 squared (989981390²) is 980063152546332100
989981390 cubed (989981390³) is 970244282045599891759619000
The square root of 989981390 is 31463.9697114017
The cube root of 989981390 is 996.6492483369

Scales and comparisons

How big is 989981390?

989,981,390 seconds is equal to 31 years, 24 weeks, 6 days, 2 hours, 49 minutes, 50 seconds.
To count from 1 to 989,981,390 would take you about forty-seven 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 989981390 cubic inches would be around 83.1 feet tall.

Recreational maths with 989981390

989981390 backwards is 093189989
The number of decimal digits it has is: 9
The sum of 989981390's digits is 56
More coming soon!

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The information we have on file for 989981390 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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