18188420 (number)

18188420 is an even 8-digits composite number following 18188419 and preceding 18188421. In scientific notation, it is written as 1.8188420 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 36 positive divisors. There are 7084800 positive integers (up to 18188420) that are relatively prime to 18188420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8188420 × 10^7
Engineering notation 1.8188420 × 10^6

Prime Factorization of 18188420

Prime Factorization 2 × 2 × 41 × 5 × 41 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 221810
Product of the distinct prime numbers

The prime factorization of 18188420 is 2 × 2 × 41 × 5 × 41 × 541. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 10, 84, 13, 720, 316, 7695, 270, 42844, 23812, 664644, 266924, 3341566, 4001163, 11211674, 52438222, 58564687, 564246359, 1465557340, 4196891442

Basic calculations (n = 18188420)

Multiplication

n×y
n×2 36376840
n×3 54565260
n×4 72753680
n×5 90942100

Division

n÷y
n÷2 9094210
n÷3 6062806.6666667
n÷3 4547105
n÷5 3637684

Exponentiation

ny
n2 330818622096400
n3 6.0170680425106E+21
n4 1.0944096072576E+29
n5 1.9905581588836E+36

Nth Root

y√n
2√n 4264.7883886542
3√n 262.98541173112
4√n 65.305347320524
5√n 28.311246744308

Divisors of 18188420

1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 541, 820, 1082, 1681, 2164, 2705, 3362, 5410, 6724, 8405, 10820, 16810, 22181, 33620, 44362, 88724, 110905, 221810, 443620, 909421, 1818842, 3637684, 4547105, 9094210, 18188420

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18188419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18188420 can be divided by 36 positive divisors. The sum of these divisors (counting 18188420) is 1, the average is 0.027777777777778.

Base conversion 18188420

Base System Value
2 Binary 1000101011000100010000100
3 Ternary 1021020001211012
4 Quaternary 1011120202010
5 Quinary 14124012140
6 Senary 1445501352
8 Octal 105304204
10 Decimal 18188420
12 Duodecimal 6111858
16 Hexadecimal 1158884
20 Vigesimal 5ddb10
36 Base36 atu9w

Cryptographic Hash Functions

md5 7314382a6883e2e69e12cc9bc1b4a53c
sha1 d1da34dbfbfbc287c06b52dd9983f1f9c72289cf
sha256 4b99bac642148f2c555bc7eb1f88a20cc16be91826d6c0a0b74cd711c4e8e20b
sha512 8ddac4bd9cf51d500808e8ea2ecd20bb2748a98439be2cf1a2bf71e4df8c18b70b9153374d9dc44d7b82899ca26adff8259a0029998ed3095b3c0495543a50da
ripemd-160 b3effac30118d50060693f992cde164e11d67640

18188420 as geometric shapes

Circle

Radius = n
Diameter 36376840
Circumference 114281213.30481
Area 1.0392973528487E+15

Sphere

Radius = n
Volume 2.5204235678002E+22
Surface area 4.157189411395E+15
Circumference 114281213.30481

Square

Length = n
Perimeter 72753680
Area 330818622096400
Diagonal 25722310.242138

Cube

Length = n
Surface area 1984911732578400
Volume 6.0170680425106E+21
Space diagonal 31503267.549402

Equilateral Triangle

Length = n
Perimeter 54565260
Area 1.4324866539022E+14
Altitude 15751633.774701

Triangular Pyramid

Length = n
Surface area 1.4324866539022E+14
Volume 7.0911826928669E+20
Height 8574103.414046