20145145 (number)

20145145 is an odd 8-digits composite number following 20145144 and preceding 20145146. In scientific notation, it is written as 2.0145145 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 15722880 positive integers (up to 20145145) that are relatively prime to 20145145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145145 × 10^7
Engineering notation 2.0145145 × 10^6

Prime Factorization of 20145145

Prime Factorization 5 × 41 × 98269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145145
Product of the distinct prime numbers

The prime factorization of 20145145 is 5 × 41 × 98269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145145)

Multiplication

n×y
n×2 40290290
n×3 60435435
n×4 80580580
n×5 100725725

Division

n÷y
n÷2 10072572.5
n÷3 6715048.3333333
n÷3 5036286.25
n÷5 4029029

Exponentiation

ny
n2 405826867071025
n3 8.1754410820415E+21
n4 1.6469544603668E+29
n5 3.3178136412487E+36

Nth Root

y√n
2√n 4488.3343235548
3√n 272.0968198072
4√n 66.995032081153
5√n 28.895757206568

Divisors of 20145145

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 -20145144
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 20145145 can be divided by 8 positive divisors. The sum of these divisors (counting 20145145) is 1, the average is 0.125.

Base conversion 20145145

Base System Value
2 Binary 1001100110110001111111001
3 Ternary 1101220110221111
4 Quaternary 1030312033321
5 Quinary 20124121040
6 Senary 1555440321
8 Octal 114661771
10 Decimal 20145145
12 Duodecimal 68b60a1
16 Hexadecimal 13363f9
20 Vigesimal 65i2h5
36 Base36 bzs3d

Cryptographic Hash Functions

md5 ccdcb2595bdaab20770f855da87ce40c
sha1 b7886ce095e6337941c4a853a9a78e681f698c0f
sha256 41dbbaef7807dfe8becfa9c50b1f32d6c1bb1f7e6050ed1b072382ffdf002c34
sha512 eef2a9d8e513e268bcc0dee1d27ebc514e5d79ba7a4644826aeb24285ea043a4096d50f2c4478944c8b1b7b14ffc67e6fd511ce5101c691cf6c68275d65612b8
ripemd-160 37d5fa73988215e18ced0436d2b48fe2c5b0098b

20145145 as geometric shapes

Circle

Radius = n
Diameter 40290290
Circumference 126575679.075
Area 1.2749427042197E+15

Sphere

Radius = n
Volume 3.4245207524264E+22
Surface area 5.0997708168788E+15
Circumference 126575679.075

Square

Length = n
Perimeter 80580580
Area 405826867071025
Diagonal 28489537.274973

Cube

Length = n
Surface area 2434961202426150
Volume 8.1754410820415E+21
Space diagonal 34892414.665842

Equilateral Triangle

Length = n
Perimeter 60435435
Area 1.7572818821088E+14
Altitude 17446207.332921

Triangular Pyramid

Length = n
Surface area 1.7572818821088E+14
Volume 9.6348497138377E+20
Height 9496512.4249908