687116990

687,116,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 687116990 look like?

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

687116990 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 687116990:

2 × 5 × 7 × 127 × 77291

See below for interesting mathematical facts about the number 687116990 from the Numbermatics database.

Names of 687116990

Cardinal: 687116990 can be written as Six hundred eighty-seven million, one hundred sixteen thousand, nine hundred ninety.

Scientific notation

Scientific notation: 6.8711699 × 10⁸

Factors of 687116990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 77432

Divisors of 687116990

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 4445 8890 77291 154582 386455 541037 772910 1082074 2705185 5410370 9815957 19631914 49079785 68711699 98159570 137423398 343558495 687116990
Sum of all divisors σ(n): 1424646144
Sum of proper divisors (its aliquot sum) s(n): 737529154
687116990 is an abundant number, because the sum of its proper divisors (737529154) is greater than itself. Its abundance is 50412164

Bases of 687116990

Binary: 101000111101001001001010111110₂
Hexadecimal: 0x28F492BE
Base-36: BD3AV2

Squares and roots of 687116990

687116990 squared (687116990²) is 472129757946660100
687116990 cubed (687116990³) is 324408378169737668465099000
The square root of 687116990 is 26212.9164726095
The cube root of 687116990 is 882.4231553599

Scales and comparisons

How big is 687116990?

687,116,990 seconds is equal to 21 years, 44 weeks, 17 hours, 49 minutes, 50 seconds.
To count from 1 to 687,116,990 would take you about thirty-two 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 687116990 cubic inches would be around 73.5 feet tall.

Recreational maths with 687116990

687116990 backwards is 099611786
The number of decimal digits it has is: 9
The sum of 687116990's digits is 47
More coming soon!

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The information we have on file for 687116990 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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