20245 (number)

20245 is an odd 5-digits composite number following 20244 and preceding 20246. In scientific notation, it is written as 2.0245 × 10^4. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 16192 positive integers (up to 20245) that are relatively prime to 20245.

Interesting facts

Basic properties

Name

Name twenty thousand two hundred forty-five

Notation

Scientific notation 2.0245 × 10^4
Engineering notation 2.0245 × 10^3

Prime Factorization of 20245

Prime Factorization 5 × 4049

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20245
Product of the distinct prime numbers

The prime factorization of 20245 is 5 × 4049. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 85, 21, 736, 179, 3881, 6680, 36678, 15936, 686541, 852103, 3320241, 3855628, 34073819, 19129024, 727341497, 291048505, 7411702970, 8019948383

Basic calculations (n = 20245)

Multiplication

n×y
n×2 40490
n×3 60735
n×4 80980
n×5 101225

Division

n÷y
n÷2 10122.5
n÷3 6748.3333333333
n÷3 5061.25
n÷5 4049

Exponentiation

ny
n2 409860025
n3 8297616206125
n4 167985240093000625
n5 3.4008611856828E+21

Nth Root

y√n
2√n 142.28492541376
3√n 27.254565349062
4√n 11.928324501528
5√n 7.2654673628271

Divisors of 20245

1, 5, 4049, 20245

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 -20244
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 20245 can be divided by 4 positive divisors. The sum of these divisors (counting 20245) is 1, the average is 0.25.

Base conversion 20245

Base System Value
2 Binary 100111100010101
3 Ternary 1000202211
4 Quaternary 10330111
5 Quinary 1121440
6 Senary 233421
8 Octal 47425
10 Decimal 20245
12 Duodecimal b871
16 Hexadecimal 4f15
20 Vigesimal 2ac5
36 Base36 fmd

Cryptographic Hash Functions

md5 a3b50762ba94a13bd2d70d377ce4ada9
sha1 b486502f6d8a3bcdc5da35f22b1be480d1f8abfd
sha256 63d00eefcb41c5b33a0a567211315907e7985bbf2b44348cbbce9a5e595e4c6f
sha512 a9cf249b3419d512a324afd6b10665944b72d294c766bbdf78288bd1d858aa80aa55d78d06d7f8adf79e3204474a402854962bd48c1f5889eee50ca2de2012d8
ripemd-160 4d7c31703fbb3142251f3a5a0e52846293d518fd

20245 as geometric shapes

Circle

Radius = n
Diameter 40490
Circumference 127203.08654385
Area 1287613243.5401

Sphere

Radius = n
Volume 34756973487293
Surface area 5150452974.1605
Circumference 127203.08654385

Square

Length = n
Perimeter 80980
Area 409860025
Diagonal 28630.753570243

Cube

Length = n
Surface area 2459160150
Volume 8297616206125
Space diagonal 35065.368599232

Equilateral Triangle

Length = n
Perimeter 60735
Area 177474596.82286
Altitude 17532.684299616

Triangular Pyramid

Length = n
Surface area 177474596.82286
Volume 977883447839.06
Height 9543.5845234144