81245346 (number)

81245346 is an even 8-digits composite number following 81245345 and preceding 81245347. In scientific notation, it is written as 8.1245346 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 20164608 positive integers (up to 81245346) that are relatively prime to 81245346.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-five thousand three hundred forty-six

Notation

Scientific notation 8.1245346 × 10^7
Engineering notation 8.1245346 × 10^6

Prime Factorization of 81245346

Prime Factorization 2 × 91 × 3 × 17 × 8753

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81245346
Product of the distinct prime numbers

The prime factorization of 81245346 is 2 × 91 × 3 × 17 × 8753. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81245346)

Multiplication

n×y
n×2 162490692
n×3 243736038
n×4 324981384
n×5 406226730

Division

n÷y
n÷2 40622673
n÷3 27081782
n÷3 20311336.5
n÷5 16249069.2

Exponentiation

ny
n2 6600806246659716
n3 5.3628478738883E+23
n4 4.3570643105942E+31
n5 3.5399119745848E+39

Nth Root

y√n
2√n 9013.6200274917
3√n 433.11128281656
4√n 94.940086515085
5√n 38.19088289691

Divisors of 81245346

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81245345
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81245346 can be divided by 32 positive divisors. The sum of these divisors (counting 81245346) is 1, the average is 0.03125.

Base conversion 81245346

Base System Value
2 Binary 100110101111011010010100010
3 Ternary 12122212200122220
4 Quaternary 10311323102202
5 Quinary 131244322341
6 Senary 12021211510
8 Octal 465732242
10 Decimal 81245346
12 Duodecimal 23260b96
16 Hexadecimal 4d7b4a2
20 Vigesimal 157fd76
36 Base36 1cddb6

Cryptographic Hash Functions

md5 b7b3553b26bca5d174142875631a7fc6
sha1 34e43e28bd9d416233c51f74818306d7b7ae5a77
sha256 f83281059b76bbbe5c7ede670dd95382dd7ee07df4832901ed1332c29fa1c03d
sha512 abb955b816cd847491000c379808e9b963550cbfa1ca287c89d74528d6ac52257c23578b02e770907b458ca02aa90fe7b955663a8c622a888221af81f44fa836
ripemd-160 c5ae4a5a9d1ed19f419b0ecad731b57bc34c9f5f

81245346 as geometric shapes

Circle

Radius = n
Diameter 162490692
Circumference 510479564.26392
Area 2.0737044412276E+16

Sphere

Radius = n
Volume 2.2463844643903E+24
Surface area 8.2948177649103E+16
Circumference 510479564.26392

Square

Length = n
Perimeter 324981384
Area 6600806246659716
Diagonal 114898270.19289

Cube

Length = n
Surface area 39604837479958296
Volume 5.3628478738883E+23
Space diagonal 140721067.15051

Equilateral Triangle

Length = n
Perimeter 243736038
Area 2.8582329475332E+15
Altitude 70360533.575256

Triangular Pyramid

Length = n
Surface area 2.8582329475332E+15
Volume 6.3201768301638E+22
Height 38299423.397632