81013564 (number)

81013564 is an even 8-digits composite number following 81013563 and preceding 81013565. In scientific notation, it is written as 8.1013564 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 40506780 positive integers (up to 81013564) that are relatively prime to 81013564.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand five hundred sixty-four

Notation

Scientific notation 8.1013564 × 10^7
Engineering notation 8.1013564 × 10^6

Prime Factorization of 81013564

Prime Factorization 2 × 2 × 20253391

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40506782
Product of the distinct prime numbers

The prime factorization of 81013564 is 2 × 2 × 20253391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81013564)

Multiplication

n×y
n×2 162027128
n×3 243040692
n×4 324054256
n×5 405067820

Division

n÷y
n÷2 40506782
n÷3 27004521.333333
n÷3 20253391
n÷5 16202712.8

Exponentiation

ny
n2 6563197551982096
n3 5.3170802492214E+23
n4 4.3075562106344E+31
n5 3.4897048075383E+39

Nth Root

y√n
2√n 9000.7535240112
3√n 432.6990211926
4√n 94.872301142173
5√n 38.169067301657

Divisors of 81013564

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81013563
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013564 can be divided by 6 positive divisors. The sum of these divisors (counting 81013564) is 1, the average is 0.16666666666667.

Base conversion 81013564

Base System Value
2 Binary 100110101000010101100111100
3 Ternary 12122102220201101
4 Quaternary 10311002230330
5 Quinary 131214413224
6 Senary 12012222444
8 Octal 465025474
10 Decimal 81013564
12 Duodecimal 2316aa24
16 Hexadecimal 4d42b3c
20 Vigesimal 1566di4
36 Base36 1c8egs

Cryptographic Hash Functions

md5 f63df578593d9ce3dd5d88104c08d443
sha1 4195960c37c304f7fa959189f2e91e06e7dec8a6
sha256 e6479736377cdfac0ba787b29c54f36a8197a8d0957481bb31f44d9ad0cbef4c
sha512 b15fd2e459ad1ec700910d4b7ffb8fec472006d1581072519c55855bb0d1aec4cc95c6ee35ad2ca7057cb0fe7f38313df932dd9ce8cca62b6de32bfa7f065889
ripemd-160 6187bc297361588cf7cb894d7d94edea210c8f3e

81013564 as geometric shapes

Circle

Radius = n
Diameter 162027128
Circumference 509023235.00705
Area 2.0618893213365E+16

Sphere

Radius = n
Volume 2.2272133666002E+24
Surface area 8.2475572853462E+16
Circumference 509023235.00705

Square

Length = n
Perimeter 324054256
Area 6563197551982096
Diagonal 114570480.94498

Cube

Length = n
Surface area 39379185311892576
Volume 5.3170802492214E+23
Space diagonal 140319608.95023

Equilateral Triangle

Length = n
Perimeter 243040692
Area 2.8419479050362E+15
Altitude 70159804.475116

Triangular Pyramid

Length = n
Surface area 2.8419479050362E+15
Volume 6.2662391672292E+22
Height 38190160.314994