20145418 (number)

20145418 is an even 8-digits composite number following 20145417 and preceding 20145419. In scientific notation, it is written as 2.0145418 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10072708 positive integers (up to 20145418) that are relatively prime to 20145418.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand four hundred eighteen

Notation

Scientific notation 2.0145418 × 10^7
Engineering notation 2.0145418 × 10^6

Prime Factorization of 20145418

Prime Factorization 2 × 10072709

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145418
Product of the distinct prime numbers

The prime factorization of 20145418 is 2 × 10072709. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145418)

Multiplication

n×y
n×2 40290836
n×3 60436254
n×4 80581672
n×5 100727090

Division

n÷y
n÷2 10072709
n÷3 6715139.3333333
n÷3 5036354.5
n÷5 4029083.6

Exponentiation

ny
n2 405837866394724
n3 8.1757734587499E+21
n4 1.6470437379982E+29
n5 3.3180384566257E+36

Nth Root

y√n
2√n 4488.3647356248
3√n 272.09804892214
4√n 66.995259053345
5√n 28.895835523194

Divisors of 20145418

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 -20145417
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 20145418 can be divided by 4 positive divisors. The sum of these divisors (counting 20145418) is 1, the average is 0.25.

Base conversion 20145418

Base System Value
2 Binary 1001100110110010100001010
3 Ternary 1101220111022121
4 Quaternary 1030312110022
5 Quinary 20124123133
6 Senary 1555441454
8 Octal 114662412
10 Decimal 20145418
12 Duodecimal 68b628a
16 Hexadecimal 133650a
20 Vigesimal 65i3ai
36 Base36 bzsay

Cryptographic Hash Functions

md5 0047079f38f4e25ea86343a29d7b66ee
sha1 74eded152236a26604e634f834233875cab0ea2c
sha256 768bbb65e37d124c06766386de943bc94e9b05c6686c8ace6ac746e18d324d75
sha512 cbc614b11e51baf3119100ccc13baa7b2c7bf33239ff916b786d4dab9b9e11f4d1d2fbd7f8b32aad29d796c1c76970512f7da37efcadff4769ed8135ae9f8cf9
ripemd-160 1836929802cabab53916e416ff8c0c61cc180164

20145418 as geometric shapes

Circle

Radius = n
Diameter 40290836
Circumference 126577394.38459
Area 1.2749772596142E+15

Sphere

Radius = n
Volume 3.4246599780564E+22
Surface area 5.0999090384569E+15
Circumference 126577394.38459

Square

Length = n
Perimeter 80581672
Area 405837866394724
Diagonal 28489923.355275

Cube

Length = n
Surface area 2435027198368344
Volume 8.1757734587499E+21
Space diagonal 34892887.515713

Equilateral Triangle

Length = n
Perimeter 60436254
Area 1.7573295105775E+14
Altitude 17446443.757856

Triangular Pyramid

Length = n
Surface area 1.7573295105775E+14
Volume 9.635241423545E+20
Height 9496641.118425