18213811 (number)

18213811 is an odd 8-digits composite number following 18213810 and preceding 18213812. In scientific notation, it is written as 1.8213811 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 13860000 positive integers (up to 18213811) that are relatively prime to 18213811.

Interesting facts

Basic properties

Name

Name eighteen million two hundred thirteen thousand eight hundred eleven

Notation

Scientific notation 1.8213811 × 10^7
Engineering notation 1.8213811 × 10^6

Prime Factorization of 18213811

Prime Factorization 301 × 11 × 5501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18213811
Product of the distinct prime numbers

The prime factorization of 18213811 is 301 × 11 × 5501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18213811)

Multiplication

n×y
n×2 36427622
n×3 54641433
n×4 72855244
n×5 91069055

Division

n÷y
n÷2 9106905.5
n÷3 6071270.3333333
n÷3 4553452.75
n÷5 3642762.2

Exponentiation

ny
n2 331742911143721
n3 6.0423026841615E+21
n4 1.1005335909411E+29
n5 2.0044910824553E+36

Nth Root

y√n
2√n 4267.7641687422
3√n 263.10773054267
4√n 65.328126934286
5√n 28.319146823547

Divisors of 18213811

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18213810
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18213811 can be divided by 8 positive divisors. The sum of these divisors (counting 18213811) is 1, the average is 0.125.

Base conversion 18213811

Base System Value
2 Binary 1000101011110101110110011
3 Ternary 1021021100122121
4 Quaternary 1011132232303
5 Quinary 14130320221
6 Senary 1450215111
8 Octal 105365663
10 Decimal 18213811
12 Duodecimal 6124497
16 Hexadecimal 115ebb3
20 Vigesimal 5dgeab
36 Base36 audv7

Cryptographic Hash Functions

md5 8521e3783007d56ae4add79d12b2b75a
sha1 2138e964d06bc77a657eebe0642ab5b2960769b4
sha256 7a4ace129ad108bd936edbeca695995fed80ff05b10d8b6022dec0d58551877c
sha512 11482c3e3229ffcdab57250fcb85f6d90d78628b4d6da2d5eb631c8ebbcded692e81e2aec6a43f59fa074f157595a005177fef1be15b0d8d0250fe644bd83a13
ripemd-160 3aad38dd638da8fea7d84eb099391c43c826a169

18213811 as geometric shapes

Circle

Radius = n
Diameter 36427622
Circumference 114440749.66295
Area 1.0422010925296E+15

Sphere

Radius = n
Volume 2.530993829777E+22
Surface area 4.1688043701184E+15
Circumference 114440749.66295

Square

Length = n
Perimeter 72855244
Area 331742911143721
Diagonal 25758218.5387

Cube

Length = n
Surface area 1990457466862326
Volume 6.0423026841615E+21
Space diagonal 31547246.051457

Equilateral Triangle

Length = n
Perimeter 54641433
Area 1.4364889428793E+14
Altitude 15773623.025728

Triangular Pyramid

Length = n
Surface area 1.4364889428793E+14
Volume 7.1209220032538E+20
Height 8586072.8462334