671987991

671,987,991 is an odd composite number composed of five prime numbers multiplied together.

What does the number 671987991 look like?

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

671987991 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 671987991:

3 × 19 × 41 × 421 × 683

See below for interesting mathematical facts about the number 671987991 from the Numbermatics database.

Names of 671987991

Cardinal: 671987991 can be written as Six hundred seventy-one million, nine hundred eighty-seven thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 6.71987991 × 10⁸

Factors of 671987991

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1167

Divisors of 671987991

Number of divisors d(n): 32
Complete list of divisors:
1 3 19 41 57 123 421 683 779 1263 2049 2337 7999 12977 17261 23997 28003 38931 51783 84009 287543 327959 532057 862629 983877 1596171 5463317 11789263 16389951 35367789 223995997 671987991
Sum of all divisors σ(n): 969857280
Sum of proper divisors (its aliquot sum) s(n): 297869289
671987991 is a deficient number, because the sum of its proper divisors (297869289) is less than itself. Its deficiency is 374118702

Bases of 671987991

Binary: 101000000011011011100100010111₂
Hexadecimal: 0x280DB917
Base-36: B43193

Squares and roots of 671987991

671987991 squared (671987991²) is 451567860048216081
671987991 cubed (671987991³) is 303448179073969887405083271
The square root of 671987991 is 25922.7311639803
The cube root of 671987991 is 875.8986103229

Scales and comparisons

How big is 671987991?

671,987,991 seconds is equal to 21 years, 19 weeks, 15 hours, 19 minutes, 51 seconds.
To count from 1 to 671,987,991 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 671987991 cubic inches would be around 73 feet tall.

Recreational maths with 671987991

671987991 backwards is 199789176
671987991 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 671987991's digits is 57
More coming soon!

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The information we have on file for 671987991 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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