18385940 (number)

18385940 is an even 8-digits composite number following 18385939 and preceding 18385941. In scientific notation, it is written as 1.8385940 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 7183008 positive integers (up to 18385940) that are relatively prime to 18385940.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand nine hundred forty

Notation

Scientific notation 1.8385940 × 10^7
Engineering notation 1.8385940 × 10^6

Prime Factorization of 18385940

Prime Factorization 2 × 2 × 215 × 21379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9192970
Product of the distinct prime numbers

The prime factorization of 18385940 is 2 × 2 × 215 × 21379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18385940)

Multiplication

n×y
n×2 36771880
n×3 55157820
n×4 73543760
n×5 91929700

Division

n÷y
n÷2 9192970
n÷3 6128646.6666667
n÷3 4596485
n÷5 3677188

Exponentiation

ny
n2 338042789683600
n3 6.2152344485553E+21
n4 1.1427292765707E+29
n5 2.1010151915272E+36

Nth Root

y√n
2√n 4287.8829275063
3√n 263.93396343411
4√n 65.481928251284
5√n 28.372471452071

Divisors of 18385940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18385939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18385940 can be divided by 12 positive divisors. The sum of these divisors (counting 18385940) is 1, the average is 0.083333333333333.

Base conversion 18385940

Base System Value
2 Binary 1000110001000110000010100
3 Ternary 1021121002202202
4 Quaternary 1012020300110
5 Quinary 14201322230
6 Senary 1454024032
8 Octal 106106024
10 Decimal 18385940
12 Duodecimal 61a8018
16 Hexadecimal 1188c14
20 Vigesimal 5ei4h0
36 Base36 ay2ok

Cryptographic Hash Functions

md5 e01948d1e07c97775400638fe09a0957
sha1 4cead67ddb8f8c6e15c1ddca3c044a11271b839f
sha256 c31473a8f1e5a46c8ac67b47e5dc440d8944cf6004c6a08e0b7f6968f12bd3a0
sha512 a70644e70e2dfb0a1e71d67ea4868e66b9a1445dcc095f1d5bb0a2f6152922496b33e99f4d97b7988564f13f689f6f3420727c6403d3dbbeff95711b4eb4609a
ripemd-160 d298d9566e3e4de3698e4c948f015b2da21b2832

18385940 as geometric shapes

Circle

Radius = n
Diameter 36771880
Circumference 115522268.06669
Area 1.061992744669E+15

Sphere

Radius = n
Volume 2.6034313178559E+22
Surface area 4.247970978676E+15
Circumference 115522268.06669

Square

Length = n
Perimeter 73543760
Area 338042789683600
Diagonal 26001645.704978

Cube

Length = n
Surface area 2028256738101600
Volume 6.2152344485553E+21
Space diagonal 31845382.224913

Equilateral Triangle

Length = n
Perimeter 55157820
Area 1.4637682171608E+14
Altitude 15922691.112456

Triangular Pyramid

Length = n
Surface area 1.4637682171608E+14
Volume 7.3247240420628E+20
Height 8667215.2349927