81015024 (number)

81015024 is an even 8-digits composite number following 81015023 and preceding 81015025. In scientific notation, it is written as 8.1015024 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 26546368 positive integers (up to 81015024) that are relatively prime to 81015024.

Interesting facts

Basic properties

Name

Name eighty-one million fifteen thousand twenty-four

Notation

Scientific notation 8.1015024 × 10^7
Engineering notation 8.1015024 × 10^6

Prime Factorization of 81015024

Prime Factorization 2 × 2 × 2 × 2 × 3 × 59 × 28607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10126878
Product of the distinct prime numbers

The prime factorization of 81015024 is 2 × 2 × 2 × 2 × 3 × 59 × 28607. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81015024)

Multiplication

n×y
n×2 162030048
n×3 243045072
n×4 324060096
n×5 405075120

Division

n÷y
n÷2 40507512
n÷3 27005008
n÷3 20253756
n÷5 16203004.8

Exponentiation

ny
n2 6563434113720576
n3 5.3173677224549E+23
n4 4.3078667365151E+31
n5 3.4900192704757E+39

Nth Root

y√n
2√n 9000.8346279665
3√n 432.70162049715
4√n 94.872728578694
5√n 38.169204874759

Divisors of 81015024

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81015023
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81015024 can be divided by 40 positive divisors. The sum of these divisors (counting 81015024) is 1, the average is 0.025.

Base conversion 81015024

Base System Value
2 Binary 100110101000011000011110000
3 Ternary 12122102222201110
4 Quaternary 10311003003300
5 Quinary 131214440044
6 Senary 12012233320
8 Octal 465030360
10 Decimal 81015024
12 Duodecimal 2316b840
16 Hexadecimal 4d430f0
20 Vigesimal 1566hb4
36 Base36 1c8flc

Cryptographic Hash Functions

md5 aee2f0cb69a96a8934ce8b2634af2e47
sha1 54e7adab36c98842dd13da801902d12e032e7f8f
sha256 5959a04357f807fa4ae1e452a43f664f93caff3b98651ac0ef2e7202f710114a
sha512 af00e3c97cf5fa2dbf958a17683a8952fb3475674072307189cd85b1156140e693b1aba144855c498e41c08136e14e18461f5d1e8ce1f0f59e34c8da9c0e87e2
ripemd-160 7161ef93499ad8b2afbb6f303b2d387708f973e1

81015024 as geometric shapes

Circle

Radius = n
Diameter 162030048
Circumference 509032408.4576
Area 2.0619636393985E+16

Sphere

Radius = n
Volume 2.2273337831066E+24
Surface area 8.2478545575941E+16
Circumference 509032408.4576

Square

Length = n
Perimeter 324060096
Area 6563434113720576
Diagonal 114572545.69678

Cube

Length = n
Surface area 39380604682323456
Volume 5.3173677224549E+23
Space diagonal 140322137.74441

Equilateral Triangle

Length = n
Perimeter 243045072
Area 2.8420503392737E+15
Altitude 70161068.872206

Triangular Pyramid

Length = n
Surface area 2.8420503392737E+15
Volume 6.2665779576839E+22
Height 38190848.565594