81542014 (number)

81542014 is an even 8-digits composite number following 81542013 and preceding 81542015. In scientific notation, it is written as 8.1542014 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 40771006 positive integers (up to 81542014) that are relatively prime to 81542014.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred forty-two thousand fourteen

Notation

Scientific notation 8.1542014 × 10^7
Engineering notation 8.1542014 × 10^6

Prime Factorization of 81542014

Prime Factorization 2 × 40771007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81542014
Product of the distinct prime numbers

The prime factorization of 81542014 is 2 × 40771007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81542014)

Multiplication

n×y
n×2 163084028
n×3 244626042
n×4 326168056
n×5 407710070

Division

n÷y
n÷2 40771007
n÷3 27180671.333333
n÷3 20385503.5
n÷5 16308402.8

Exponentiation

ny
n2 6649100047176196
n3 5.4218100913424E+23
n4 4.4210531437358E+31
n5 3.6050157734125E+39

Nth Root

y√n
2√n 9030.0616830673
3√n 433.63781217681
4√n 95.026636702912
5√n 38.218733108441

Divisors of 81542014

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 -81542013
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 81542014 can be divided by 4 positive divisors. The sum of these divisors (counting 81542014) is 1, the average is 0.25.

Base conversion 81542014

Base System Value
2 Binary 100110111000011101101111110
3 Ternary 12200102202121121
4 Quaternary 10313003231332
5 Quinary 131333321024
6 Senary 12031421154
8 Octal 467035576
10 Decimal 81542014
12 Duodecimal 233847ba
16 Hexadecimal 4dc3b7e
20 Vigesimal 159cf0e
36 Base36 1cjq7y

Cryptographic Hash Functions

md5 f29903a3ece16d0feadbf68c94f511d1
sha1 3814c0256d7b40f96723c494831e7367cc327fa4
sha256 4ffb8844fcde9616b7abc46769a377c22cfe15f24310c4e6f4b63d1cb5b0c3d9
sha512 eed6e0a2715c11433f5ad74769a3405fa26e90126040bc2fcc171aaa6417f9ec2cb7a2dd778207f92fbdc374ec3a4d2a9715c49c263c4362c8e58ca00a453986
ripemd-160 b7bf94c7692d79f6ae0c9a34f475ccc6b502d937

81542014 as geometric shapes

Circle

Radius = n
Diameter 163084028
Circumference 512343584.28263
Area 2.0888763861192E+16

Sphere

Radius = n
Volume 2.2710825002827E+24
Surface area 8.3555055444769E+16
Circumference 512343584.28263

Square

Length = n
Perimeter 326168056
Area 6649100047176196
Diagonal 115317822.10202

Cube

Length = n
Surface area 39894600283057176
Volume 5.4218100913424E+23
Space diagonal 141234911.19949

Equilateral Triangle

Length = n
Perimeter 244626042
Area 2.8791447765794E+15
Altitude 70617455.599746

Triangular Pyramid

Length = n
Surface area 2.8791447765794E+15
Volume 6.3896644698231E+22
Height 38439274.034006