18397813 (number)

18397813 is an odd 8-digits composite number following 18397812 and preceding 18397814. In scientific notation, it is written as 1.8397813 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 15591840 positive integers (up to 18397813) that are relatively prime to 18397813.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-seven thousand eight hundred thirteen

Notation

Scientific notation 1.8397813 × 10^7
Engineering notation 1.8397813 × 10^6

Prime Factorization of 18397813

Prime Factorization 7 × 89 × 29531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18397813
Product of the distinct prime numbers

The prime factorization of 18397813 is 7 × 89 × 29531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18397813)

Multiplication

n×y
n×2 36795626
n×3 55193439
n×4 73591252
n×5 91989065

Division

n÷y
n÷2 9198906.5
n÷3 6132604.3333333
n÷3 4599453.25
n÷5 3679562.6

Exponentiation

ny
n2 338479523182969
n3 6.2272829718494E+21
n4 1.1456838761417E+29
n5 2.107807771037E+36

Nth Root

y√n
2√n 4289.2671868281
3√n 263.99076433102
4√n 65.492497179662
5√n 28.376134896775

Divisors of 18397813

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 -18397812
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 18397813 can be divided by 8 positive divisors. The sum of these divisors (counting 18397813) is 1, the average is 0.125.

Base conversion 18397813

Base System Value
2 Binary 1000110001011101001110101
3 Ternary 1021121201001111
4 Quaternary 1012023221311
5 Quinary 14202212223
6 Senary 1454155021
8 Octal 106135165
10 Decimal 18397813
12 Duodecimal 61b2a71
16 Hexadecimal 118ba75
20 Vigesimal 5ejead
36 Base36 aybud

Cryptographic Hash Functions

md5 e01b35d2c2d1dd5826708970de450bd4
sha1 1498628bbd5154db720280e02e1386d9975b2721
sha256 b16b264a1af8d448bb6b8531abb726aa68c3cde677ed4cfa92afcd6cefc1fc35
sha512 7cfadca274dfdaed03763b363b2695b3cb5887afae14f14a40e01a908012b70906eec157e345eacc603fbe3039295ca4db40a3d6f90ea583ef6da9787c95005a
ripemd-160 52173e5312d086856619f05b741ac52440a3fd28

18397813 as geometric shapes

Circle

Radius = n
Diameter 36795626
Circumference 115596868.32584
Area 1.0633647834222E+15

Sphere

Radius = n
Volume 2.6084781914916E+22
Surface area 4.2534591336888E+15
Circumference 115596868.32584

Square

Length = n
Perimeter 73591252
Area 338479523182969
Diagonal 26018436.662604

Cube

Length = n
Surface area 2030877139097814
Volume 6.2272829718494E+21
Space diagonal 31865946.864151

Equilateral Triangle

Length = n
Perimeter 55193439
Area 1.4656593286865E+14
Altitude 15932973.432076

Triangular Pyramid

Length = n
Surface area 1.4656593286865E+14
Volume 7.3389233629371E+20
Height 8672812.220868