18749938 (number)

18749938 is an even 8-digits composite number following 18749937 and preceding 18749939. In scientific notation, it is written as 1.8749938 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 9368820 positive integers (up to 18749938) that are relatively prime to 18749938.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 1.8749938 × 10^7
Engineering notation 1.8749938 × 10^6

Prime Factorization of 18749938

Prime Factorization 2 × 2791 × 3359

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18749938
Product of the distinct prime numbers

The prime factorization of 18749938 is 2 × 2791 × 3359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18749938)

Multiplication

n×y
n×2 37499876
n×3 56249814
n×4 74999752
n×5 93749690

Division

n÷y
n÷2 9374969
n÷3 6249979.3333333
n÷3 4687484.5
n÷5 3749987.6

Exponentiation

ny
n2 351560175003844
n3 6.5917314845912E+21
n4 1.2359455664873E+29
n5 2.3173902743012E+36

Nth Root

y√n
2√n 4330.1198597729
3√n 265.66434947386
4√n 65.803646249831
5√n 28.483933764005

Divisors of 18749938

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 -18749937
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 18749938 can be divided by 8 positive divisors. The sum of these divisors (counting 18749938) is 1, the average is 0.125.

Base conversion 18749938

Base System Value
2 Binary 1000111100001100111110010
3 Ternary 1022021121002011
4 Quaternary 1013201213302
5 Quinary 14244444223
6 Senary 1505513134
8 Octal 107414762
10 Decimal 18749938
12 Duodecimal 63427aa
16 Hexadecimal 11e19f2
20 Vigesimal 5h3egi
36 Base36 b5vjm

Cryptographic Hash Functions

md5 46184e04db9f40fc4326f8acd0cf8894
sha1 6a774f56f3584a08ae2142a1fcc31364f37768eb
sha256 989755026d4a765f9ace2fd50cee584d2068d11652f9ef47b5cc039927f12750
sha512 d7dd0288f56dff3fdf7c9fc331d43b37b0bd8f0395ecc97e0ddec10bfb59f37ab150a75fab8de7d6766434d3faaeba6fe99b8230a60f7c9108a530a0fe4bb576
ripemd-160 cd0815d5d50ef64971c10a0db7cc5f5b27a88aa6

18749938 as geometric shapes

Circle

Radius = n
Diameter 37499876
Circumference 117809334.95213
Area 1.1044588630868E+15

Sphere

Radius = n
Volume 2.7611380275238E+22
Surface area 4.4178354523473E+15
Circumference 117809334.95213

Square

Length = n
Perimeter 74999752
Area 351560175003844
Diagonal 26516416.613255

Cube

Length = n
Surface area 2109361050023064
Volume 6.5917314845912E+21
Space diagonal 32475845.254766

Equilateral Triangle

Length = n
Perimeter 56249814
Area 1.5223002125612E+14
Altitude 16237922.627383

Triangular Pyramid

Length = n
Surface area 1.5223002125612E+14
Volume 7.7684300541922E+20
Height 8838805.5377516