31398081 (number)

31398081 is an odd 8-digits composite number following 31398080 and preceding 31398082. In scientific notation, it is written as 3.1398081 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 17565120 positive integers (up to 31398081) that are relatively prime to 31398081.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred ninety-eight thousand eighty-one

Notation

Scientific notation 3.1398081 × 10^7
Engineering notation 3.1398081 × 10^6

Prime Factorization of 31398081

Prime Factorization 11 × 3 × 13 × 73189

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31398081
Product of the distinct prime numbers

The prime factorization of 31398081 is 11 × 3 × 13 × 73189. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31398081)

Multiplication

n×y
n×2 62796162
n×3 94194243
n×4 125592324
n×5 156990405

Division

n÷y
n÷2 15699040.5
n÷3 10466027
n÷3 7849520.25
n÷5 6279616.2

Exponentiation

ny
n2 985839490482561
n3 3.095346817517E+22
n4 9.7187950099492E+29
n5 3.0515151294478E+37

Nth Root

y√n
2√n 5603.3990577149
3√n 315.47699967032
4√n 74.855855199943
5√n 31.577709208143

Divisors of 31398081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31398080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31398081 can be divided by 16 positive divisors. The sum of these divisors (counting 31398081) is 1, the average is 0.0625.

Base conversion 31398081

Base System Value
2 Binary 1110111110001100011000001
3 Ternary 2012002012001220
4 Quaternary 1313301203001
5 Quinary 31014214311
6 Senary 3040545253
8 Octal 167614301
10 Decimal 31398081
12 Duodecimal a622229
16 Hexadecimal 1df18c1
20 Vigesimal 9g4f41
36 Base36 ioywx

Cryptographic Hash Functions

md5 78e38d6a55e704f88a5bd36aae317537
sha1 628a0abffa54796a7f662af2323a092ce2fc2ffc
sha256 e33c60305271164160b1ad8e5675bfa2b4bf4b27abb5fa36fdac3671520f5a45
sha512 5e406313889fc6b89297c8cfec902e28d51ca64e7dc10d5a7619a2114e5870adb6babccf5e30eaccea4700f79b33e3499eee9b41f346a1c967911d6bf1c05ac2
ripemd-160 5a5c38aee0673a0e913966ee9958a61d129a4ba6

31398081 as geometric shapes

Circle

Radius = n
Diameter 62796162
Circumference 197279961.21283
Area 3.0971061009187E+15

Sphere

Radius = n
Volume 1.2965758429632E+23
Surface area 1.2388424403675E+16
Circumference 197279961.21283

Square

Length = n
Perimeter 125592324
Area 985839490482561
Diagonal 44403591.982689

Cube

Length = n
Surface area 5915036942895366
Volume 3.095346817517E+22
Space diagonal 54383071.552163

Equilateral Triangle

Length = n
Perimeter 94194243
Area 4.268810214059E+14
Altitude 27191535.776082

Triangular Pyramid

Length = n
Surface area 4.268810214059E+14
Volume 3.6479012079841E+21
Height 14801197.327563