31998971 (number)

31998971 is an odd 8-digits composite number following 31998970 and preceding 31998972. In scientific notation, it is written as 3.1998971 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 31639344 positive integers (up to 31998971) that are relatively prime to 31998971.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred ninety-eight thousand nine hundred seventy-one

Notation

Scientific notation 3.1998971 × 10^7
Engineering notation 3.1998971 × 10^6

Prime Factorization of 31998971

Prime Factorization 89 × 359539

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31998971
Product of the distinct prime numbers

The prime factorization of 31998971 is 89 × 359539. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31998971)

Multiplication

n×y
n×2 63997942
n×3 95996913
n×4 127995884
n×5 159994855

Division

n÷y
n÷2 15999485.5
n÷3 10666323.666667
n÷3 7999742.75
n÷5 6399794.2

Exponentiation

ny
n2 1023934145058841
n3 3.2764839013648E+22
n4 1.0484411334174E+30
n5 3.354903742343E+37

Nth Root

y√n
2√n 5656.7632971515
3√n 317.47680736616
4√n 75.211457219971
5√n 31.697659989713

Divisors of 31998971

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31998970
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31998971 can be divided by 4 positive divisors. The sum of these divisors (counting 31998971) is 1, the average is 0.25.

Base conversion 31998971

Base System Value
2 Binary 1111010000100001111111011
3 Ternary 2020012201100002
4 Quaternary 1322010033323
5 Quinary 31142431341
6 Senary 3101503215
8 Octal 172041773
10 Decimal 31998971
12 Duodecimal a871b0b
16 Hexadecimal 1e843fb
20 Vigesimal 9jjh8b
36 Base36 j1ukb

Cryptographic Hash Functions

md5 9fe5152eed302c527febca584495ed7a
sha1 044fe3b7159bfc6f8d0fd8ace9bb7db3395b84dd
sha256 627a915b407a2a4494112abbefbf067771c72ee5d367610f55313e36090edc61
sha512 32a65fd267e799717a2abddf8b29d8c31413a033cee711e9b00521f43d3dbcd82ced2fb966279f27f6f6136900dc350653cce8aa8b171c7980d0dcc83b6a6922
ripemd-160 3b38a63aa4e8f743bd8f7daf335c81f52458ec39

31998971 as geometric shapes

Circle

Radius = n
Diameter 63997942
Circumference 201055464.43207
Area 3.2167839878766E+15

Sphere

Radius = n
Volume 1.3724503672177E+23
Surface area 1.2867135951506E+16
Circumference 201055464.43207

Square

Length = n
Perimeter 127995884
Area 1023934145058841
Diagonal 45253378.770183

Cube

Length = n
Surface area 6143604870353046
Volume 3.2764839013648E+22
Space diagonal 55423843.561923

Equilateral Triangle

Length = n
Perimeter 95996913
Area 4.4337649071163E+14
Altitude 27711921.780962

Triangular Pyramid

Length = n
Surface area 4.4337649071163E+14
Volume 3.861373308506E+21
Height 15084459.590061