18182821 (number)

18182821 is an odd 8-digits prime number following 18182820 and preceding 18182822. In scientific notation, it is written as 1.8182821 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 18182820 positive integers (up to 18182821) that are relatively prime to 18182821.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-two thousand eight hundred twenty-one

Notation

Scientific notation 1.8182821 × 10^7
Engineering notation 1.8182821 × 10^6

Prime Factorization of 18182821

Prime Factorization 18182821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18182821
Product of the distinct prime numbers

The prime factorization of 18182821 is 18182821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18182821)

Multiplication

n×y
n×2 36365642
n×3 54548463
n×4 72731284
n×5 90914105

Division

n÷y
n÷2 9091410.5
n÷3 6060940.3333333
n÷3 4545705.25
n÷5 3636564.2

Exponentiation

ny
n2 330614979518041
n3 6.0115129924952E+21
n4 1.0930626468171E+29
n5 1.9874962448862E+36

Nth Root

y√n
2√n 4264.1319163459
3√n 262.95842374579
4√n 65.300320951324
5√n 28.309503501161

Divisors of 18182821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18182822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9091411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4264.1320336031
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998900061
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18182821 can be divided by 2 positive divisors. The sum of these divisors (counting 18182821) is 18182822, the average is 9091411.

Base conversion 18182821

Base System Value
2 Binary 1000101010111001010100101
3 Ternary 1021012210010211
4 Quaternary 1011113022211
5 Quinary 14123322241
6 Senary 1445415421
8 Octal 105271245
10 Decimal 18182821
12 Duodecimal 610a571
16 Hexadecimal 11572a5
20 Vigesimal 5dch11
36 Base36 atpyd

Cryptographic Hash Functions

md5 2980f98779a4f6d8823beaabe3443681
sha1 cb50dd1171f83572e7eedfd00cd242b97e73e40a
sha256 b2d1b4355be286236d20105856cacc83364e7f9239ce8010760eadafee0e8511
sha512 68c404c54e571681ec1c0ab4e5de93e07396c07999b7f3aa44a43b8c5c022f0c1c6b3c0c12ef24e2e47d098125eb6772d5ef706a022a01f0e4ab9ebe4f25b908
ripemd-160 ab7b10802aada3fae49646c6e879144f84ddc1f7

18182821 as geometric shapes

Circle

Radius = n
Diameter 36365642
Circumference 114246033.75028
Area 1.0386575908206E+15

Sphere

Radius = n
Volume 2.518096673891E+22
Surface area 4.1546303632825E+15
Circumference 114246033.75028

Square

Length = n
Perimeter 72731284
Area 330614979518041
Diagonal 25714392.060402

Cube

Length = n
Surface area 1983689877108246
Volume 6.0115129924952E+21
Space diagonal 31493569.79693

Equilateral Triangle

Length = n
Perimeter 54548463
Area 1.4316048556715E+14
Altitude 15746784.898465

Triangular Pyramid

Length = n
Surface area 1.4316048556715E+14
Volume 7.0846360036407E+20
Height 8571464.0201341