20145085 (number)

20145085 is an odd 8-digits composite number following 20145084 and preceding 20145086. In scientific notation, it is written as 2.0145085 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 15102208 positive integers (up to 20145085) that are relatively prime to 20145085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145085 × 10^7
Engineering notation 2.0145085 × 10^6

Prime Factorization of 20145085

Prime Factorization 85 × 683 × 347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145085
Product of the distinct prime numbers

The prime factorization of 20145085 is 85 × 683 × 347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145085)

Multiplication

n×y
n×2 40290170
n×3 60435255
n×4 80580340
n×5 100725425

Division

n÷y
n÷2 10072542.5
n÷3 6715028.3333333
n÷3 5036271.25
n÷5 4029017

Exponentiation

ny
n2 405824449657225
n3 8.175368033423E+21
n4 1.6469348393959E+29
n5 3.3177642329092E+36

Nth Root

y√n
2√n 4488.3276395557
3√n 272.09654967056
4√n 66.994982196846
5√n 28.895739994009

Divisors of 20145085

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 -20145084
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 20145085 can be divided by 8 positive divisors. The sum of these divisors (counting 20145085) is 1, the average is 0.125.

Base conversion 20145085

Base System Value
2 Binary 1001100110110001110111101
3 Ternary 1101220110212021
4 Quaternary 1030312032331
5 Quinary 20124120320
6 Senary 1555440141
8 Octal 114661675
10 Decimal 20145085
12 Duodecimal 68b6051
16 Hexadecimal 13363bd
20 Vigesimal 65i2e5
36 Base36 bzs1p

Cryptographic Hash Functions

md5 1c8783a19205e9883d82bdd4b08001e9
sha1 5ef333db1167af73d62a85714f6dbb4a5b8f2011
sha256 dd97f6b1a9154f4f29b7bbe4615eeb9a4919170ad867f6f955c5d9644df8504c
sha512 c3bdbc2e712ba234a28774bbd2b7555e63bbf34760a68541286f6ef80de2b4909d530c1499dbf0f28f5bcf392baf1fc836dd109d5e7719f6dc477889c85f6e41
ripemd-160 5e0b3fff0f4cd091a59da2db200c5a4da9278f04

20145085 as geometric shapes

Circle

Radius = n
Diameter 40290170
Circumference 126575302.08388
Area 1.2749351096903E+15

Sphere

Radius = n
Volume 3.4244901538926E+22
Surface area 5.099740438761E+15
Circumference 126575302.08388

Square

Length = n
Perimeter 80580340
Area 405824449657225
Diagonal 28489452.422159

Cube

Length = n
Surface area 2434946697943350
Volume 8.175368033423E+21
Space diagonal 34892310.742794

Equilateral Triangle

Length = n
Perimeter 60435255
Area 1.7572714144E+14
Altitude 17446155.371397

Triangular Pyramid

Length = n
Surface area 1.7572714144E+14
Volume 9.6347636252152E+20
Height 9496484.1407196