81008030 (number)

81008030 is an even 8-digits composite number following 81008029 and preceding 81008031. In scientific notation, it is written as 8.1008030 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 32403208 positive integers (up to 81008030) that are relatively prime to 81008030.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand thirty

Notation

Scientific notation 8.1008030 × 10^7
Engineering notation 8.1008030 × 10^6

Prime Factorization of 81008030

Prime Factorization 2 × 5 × 8100803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81008030
Product of the distinct prime numbers

The prime factorization of 81008030 is 2 × 5 × 8100803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81008030)

Multiplication

n×y
n×2 162016060
n×3 243024090
n×4 324032120
n×5 405040150

Division

n÷y
n÷2 40504015
n÷3 27002676.666667
n÷3 20252007.5
n÷5 16201606

Exponentiation

ny
n2 6562300924480900
n3 5.3159907015938E+23
n4 4.3063793423443E+31
n5 3.4885130695601E+39

Nth Root

y√n
2√n 9000.4461000553
3√n 432.68916847662
4√n 94.870680929649
5√n 38.168545825055

Divisors of 81008030

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81008029
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81008030 can be divided by 8 positive divisors. The sum of these divisors (counting 81008030) is 1, the average is 0.125.

Base conversion 81008030

Base System Value
2 Binary 100110101000001010110011110
3 Ternary 12122102122010102
4 Quaternary 10311001112132
5 Quinary 131214224110
6 Senary 12012141102
8 Octal 465012636
10 Decimal 81008030
12 Duodecimal 23167792
16 Hexadecimal 4d4159e
20 Vigesimal 156601a
36 Base36 1c8a72

Cryptographic Hash Functions

md5 2aa68a3cebdf531e11fbf40490b25690
sha1 12026d168ceca04491f6a06dbe94cd6050b87ec4
sha256 87c023e502a3501d29ef635cbe641856e6ba86c5e8b05d38ad55d6553bfed31e
sha512 ad596b3db847a3687dce03c81b15ed4d8189958f1ff85218c7bfa94ddc0505cd2a0f809613080d7afc37361461fd5e11ba953d7799afadd849804040a6954fb8
ripemd-160 33620f3d4c2fc6e6ff9614da205fa2be186bccd4

81008030 as geometric shapes

Circle

Radius = n
Diameter 162016060
Circumference 508988463.85956
Area 2.0616076374995E+16

Sphere

Radius = n
Volume 2.2267569779571E+24
Surface area 8.2464305499979E+16
Circumference 508988463.85956

Square

Length = n
Perimeter 324032120
Area 6562300924480900
Diagonal 114562654.68713

Cube

Length = n
Surface area 39373805546885400
Volume 5.3159907015938E+23
Space diagonal 140310023.78106

Equilateral Triangle

Length = n
Perimeter 243024090
Area 2.8415596539393E+15
Altitude 70155011.890532

Triangular Pyramid

Length = n
Surface area 2.8415596539393E+15
Volume 6.264955123036E+22
Height 38187551.562376