18219813 (number)

18219813 is an odd 8-digits composite number following 18219812 and preceding 18219814. In scientific notation, it is written as 1.8219813 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12009888 positive integers (up to 18219813) that are relatively prime to 18219813.

Interesting facts

Basic properties

Name

Name eighteen million two hundred nineteen thousand eight hundred thirteen

Notation

Scientific notation 1.8219813 × 10^7
Engineering notation 1.8219813 × 10^6

Prime Factorization of 18219813

Prime Factorization 3 × 89 × 68239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18219813
Product of the distinct prime numbers

The prime factorization of 18219813 is 3 × 89 × 68239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18219813)

Multiplication

n×y
n×2 36439626
n×3 54659439
n×4 72879252
n×5 91099065

Division

n÷y
n÷2 9109906.5
n÷3 6073271
n÷3 4554953.25
n÷5 3643962.6

Exponentiation

ny
n2 331961585754969
n3 6.048278015639E+21
n4 1.1019849441695E+29
n5 2.0077959611584E+36

Nth Root

y√n
2√n 4268.4672893206
3√n 263.13662801263
4√n 65.333508166335
5√n 28.321012980162

Divisors of 18219813

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 -18219812
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 18219813 can be divided by 8 positive divisors. The sum of these divisors (counting 18219813) is 1, the average is 0.125.

Base conversion 18219813

Base System Value
2 Binary 1000101100000001100100101
3 Ternary 1021021122212220
4 Quaternary 1011200030211
5 Quinary 14131013223
6 Senary 1450302553
8 Octal 105401445
10 Decimal 18219813
12 Duodecimal 6127a59
16 Hexadecimal 1160325
20 Vigesimal 5dh9ad
36 Base36 auihx

Cryptographic Hash Functions

md5 3db1b52a326c50cde93f348c9c8b5f42
sha1 4341294e82a7269d4a9e3ba2c2459b28c52ddc28
sha256 4e4d88f3af1b67b416c9ff912f15129d3f88412ef2e5a14f766aae07aa955767
sha512 b562bf2600a28762b21dc038c69b39b145ae899af69553cbf008552ef99c8a71d02467f86b93d53ab65102207cf305d24fbbea59a674706a97fd3990b63e864d
ripemd-160 4acd1712526890b406990a71effa30e5cd1bf625

18219813 as geometric shapes

Circle

Radius = n
Diameter 36439626
Circumference 114478461.34116
Area 1.0428880790818E+15

Sphere

Radius = n
Volume 2.5334967707734E+22
Surface area 4.1715523163273E+15
Circumference 114478461.34116

Square

Length = n
Perimeter 72879252
Area 331961585754969
Diagonal 25766706.648502

Cube

Length = n
Surface area 1991769514529814
Volume 6.048278015639E+21
Space diagonal 31557641.820404

Equilateral Triangle

Length = n
Perimeter 54659439
Area 1.4374358317218E+14
Altitude 15778820.910202

Triangular Pyramid

Length = n
Surface area 1.4374358317218E+14
Volume 7.1279639989331E+20
Height 8588902.2161672