82181805 (number)

82181805 is an odd 8-digits composite number following 82181804 and preceding 82181806. In scientific notation, it is written as 8.2181805 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 43830288 positive integers (up to 82181805) that are relatively prime to 82181805.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred eighty-one thousand eight hundred five

Notation

Scientific notation 8.2181805 × 10^7
Engineering notation 8.2181805 × 10^6

Prime Factorization of 82181805

Prime Factorization 15 × 5478787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82181805
Product of the distinct prime numbers

The prime factorization of 82181805 is 15 × 5478787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82181805)

Multiplication

n×y
n×2 164363610
n×3 246545415
n×4 328727220
n×5 410909025

Division

n÷y
n÷2 41090902.5
n÷3 27393935
n÷3 20545451.25
n÷5 16436361

Exponentiation

ny
n2 6753849073058025
n3 5.5504350752149E+23
n4 4.5614477301647E+31
n5 3.7486800787809E+39

Nth Root

y√n
2√n 9065.4180819199
3√n 434.76898818708
4√n 95.212489106839
5√n 38.27851975814

Divisors of 82181805

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 -82181804
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 82181805 can be divided by 4 positive divisors. The sum of these divisors (counting 82181805) is 1, the average is 0.25.

Base conversion 82181805

Base System Value
2 Binary 100111001011111111010101101
3 Ternary 12201122021020120
4 Quaternary 10321133322231
5 Quinary 132014304210
6 Senary 12053235153
8 Octal 471377255
10 Decimal 82181805
12 Duodecimal 23632ab9
16 Hexadecimal 4e5fead
20 Vigesimal 15dcea5
36 Base36 1cxfvx

Cryptographic Hash Functions

md5 5fe232f889c3dac3e6c3a189f93c3a64
sha1 735c8d5f8368fb93bdac40f27f37b5699a68d574
sha256 caa9b00af075f7b3e1f1f2096337a30ec82d38a6ed113868d3d398394c6719bb
sha512 1a964cee4adc6cbc390072b85f60092a27ac01d49d286733a13dab910a95d11176f7fffbc8f0b9ecab411ae970902c24e8940ed1ff3ec1a2b5dff47908eb7f0b
ripemd-160 b5967f0e5456fdfb2e5e56cc28354a1b69836ea1

82181805 as geometric shapes

Circle

Radius = n
Diameter 164363610
Circumference 516363509.6935
Area 2.1217842631373E+16

Sphere

Radius = n
Volume 2.3249608075363E+24
Surface area 8.4871370525493E+16
Circumference 516363509.6935

Square

Length = n
Perimeter 328727220
Area 6753849073058025
Diagonal 116222623.2113

Cube

Length = n
Surface area 40523094438348150
Volume 5.5504350752149E+23
Space diagonal 142343061.71772

Equilateral Triangle

Length = n
Perimeter 246545415
Area 2.9245024352971E+15
Altitude 71171530.858859

Triangular Pyramid

Length = n
Surface area 2.9245024352971E+15
Volume 6.5412504670335E+22
Height 38740874.403767