81663695 (number)

81663695 is an odd 8-digits composite number following 81663694 and preceding 81663696. In scientific notation, it is written as 8.1663695 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 65330952 positive integers (up to 81663695) that are relatively prime to 81663695.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred sixty-three thousand six hundred ninety-five

Notation

Scientific notation 8.1663695 × 10^7
Engineering notation 8.1663695 × 10^6

Prime Factorization of 81663695

Prime Factorization 5 × 16332739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81663695
Product of the distinct prime numbers

The prime factorization of 81663695 is 5 × 16332739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81663695)

Multiplication

n×y
n×2 163327390
n×3 244991085
n×4 326654780
n×5 408318475

Division

n÷y
n÷2 40831847.5
n÷3 27221231.666667
n÷3 20415923.75
n÷5 16332739

Exponentiation

ny
n2 6668959081053025
n3 5.4461184036259E+23
n4 4.447501522476E+31
n5 3.6319940784351E+39

Nth Root

y√n
2√n 9036.7967222905
3√n 433.85340352397
4√n 95.062067736245
5√n 38.230132680367

Divisors of 81663695

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 -81663694
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 81663695 can be divided by 4 positive divisors. The sum of these divisors (counting 81663695) is 1, the average is 0.25.

Base conversion 81663695

Base System Value
2 Binary 100110111100001011011001111
3 Ternary 12200122221112022
4 Quaternary 10313201123033
5 Quinary 131401214240
6 Senary 12034200355
8 Octal 467413317
10 Decimal 81663695
12 Duodecimal 234230bb
16 Hexadecimal 4de16cf
20 Vigesimal 15a7j4f
36 Base36 1cmc3z

Cryptographic Hash Functions

md5 c690cec740c7552ceba98435ca2b47a1
sha1 098487b89be5107dd726399de2137f781277e5d8
sha256 e60c9c55d7473198c9a415aa7bd7b7f7c8d361a50a02ab343cbbf46d23a2b19c
sha512 baf6f143aadd40d77eb1eb640111db1d48feeb6405f1fcaa77db8135d5fc715096dc5c0d148c61b4479e1a466172a9a80c5168e1699c18c9f5edfb55dc5c6fa7
ripemd-160 ce0b9d3d3e15189ae9909b4bbc504d52ac7a8af1

81663695 as geometric shapes

Circle

Radius = n
Diameter 163327390
Circumference 513108128.554
Area 2.0951152856127E+16

Sphere

Radius = n
Volume 2.2812647423215E+24
Surface area 8.3804611424508E+16
Circumference 513108128.554

Square

Length = n
Perimeter 326654780
Area 6668959081053025
Diagonal 115489905.0225

Cube

Length = n
Surface area 40013754486318150
Volume 5.4461184036259E+23
Space diagonal 141445668.87381

Equilateral Triangle

Length = n
Perimeter 244991085
Area 2.8877439904954E+15
Altitude 70722834.436904

Triangular Pyramid

Length = n
Surface area 2.8877439904954E+15
Volume 6.4183120905813E+22
Height 38496635.0075