18421738 (number)

18421738 is an even 8-digits composite number following 18421737 and preceding 18421739. In scientific notation, it is written as 1.8421738 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 9210868 positive integers (up to 18421738) that are relatively prime to 18421738.

Interesting facts

Basic properties

Name

Name eighteen million four hundred twenty-one thousand seven hundred thirty-eight

Notation

Scientific notation 1.8421738 × 10^7
Engineering notation 1.8421738 × 10^6

Prime Factorization of 18421738

Prime Factorization 2 × 9210869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18421738
Product of the distinct prime numbers

The prime factorization of 18421738 is 2 × 9210869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18421738)

Multiplication

n×y
n×2 36843476
n×3 55265214
n×4 73686952
n×5 92108690

Division

n÷y
n÷2 9210869
n÷3 6140579.3333333
n÷3 4605434.5
n÷5 3684347.6

Exponentiation

ny
n2 339360430940644
n3 6.2516089463556E+21
n4 1.1516550208822E+29
n5 2.1215487061076E+36

Nth Root

y√n
2√n 4292.0552186569
3√n 264.10514827422
4√n 65.513778845804
5√n 28.383511275255

Divisors of 18421738

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18421737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18421738 can be divided by 4 positive divisors. The sum of these divisors (counting 18421738) is 1, the average is 0.25.

Base conversion 18421738

Base System Value
2 Binary 1000110010001011111101010
3 Ternary 1021122220212121
4 Quaternary 1012101133222
5 Quinary 14203443423
6 Senary 1454501454
8 Octal 106213752
10 Decimal 18421738
12 Duodecimal 620488a
16 Hexadecimal 11917ea
20 Vigesimal 5f2e6i
36 Base36 ayuay

Cryptographic Hash Functions

md5 8a302c70f7f8491acb126e3ce6468384
sha1 dc1c59a7d77f27bde55c5ffa596b9477f19f6a6b
sha256 71e1c29f66640c750aa3b34ebbd5c69dd9b01bb682b62ca6bd10f8d390ca213e
sha512 82d4b11e9b1156c26aef3213f43ae74adc4098a89d0610bf4567e6fbdd0f21c8cfe0fabd0011f39669fbf07736d5145d160b69eeb9a9cdbaf59b2fa5bdb616ad
ripemd-160 a18383d121acd5498aa7721cb5b5a843e68faab7

18421738 as geometric shapes

Circle

Radius = n
Diameter 36843476
Circumference 115747193.53431
Area 1.0661322367622E+15

Sphere

Radius = n
Volume 2.6186678318649E+22
Surface area 4.2645289470488E+15
Circumference 115747193.53431

Square

Length = n
Perimeter 73686952
Area 339360430940644
Diagonal 26052271.722084

Cube

Length = n
Surface area 2036162585643864
Volume 6.2516089463556E+21
Space diagonal 31907386.179722

Equilateral Triangle

Length = n
Perimeter 55265214
Area 1.4694737711692E+14
Altitude 15953693.089861

Triangular Pyramid

Length = n
Surface area 1.4694737711692E+14
Volume 7.3675917988243E+20
Height 8684090.5740279