305145 (number)

305145 is an odd 6-digits composite number following 305144 and preceding 305146. In scientific notation, it is written as 3.05145 × 10^5. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 162720 positive integers (up to 305145) that are relatively prime to 305145.

Interesting facts

Basic properties

Name

Name three hundred five thousand one hundred forty-five

Notation

Scientific notation 3.05145 × 10^5
Engineering notation 3.05145 × 10^3

Prime Factorization of 305145

Prime Factorization 5 × 3 × 3 × 6781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 101715
Product of the distinct prime numbers

The prime factorization of 305145 is 5 × 3 × 3 × 6781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 305145)

Multiplication

n×y
n×2 610290
n×3 915435
n×4 1220580
n×5 1525725

Division

n÷y
n÷2 152572.5
n÷3 101715
n÷3 76286.25
n÷5 61029

Exponentiation

ny
n2 93113471025
n3 28413110115923625
n4 8.6701184863235E+21
n5 2.6456433055092E+27

Nth Root

y√n
2√n 552.39931209226
3√n 67.323820394673
4√n 23.503176638324
5√n 12.499747829826

Divisors of 305145

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 -305144
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 305145 can be divided by 12 positive divisors. The sum of these divisors (counting 305145) is 1, the average is 0.083333333333333.

Base conversion 305145

Base System Value
2 Binary 1001010011111111001
3 Ternary 120111120200
4 Quaternary 1022133321
5 Quinary 34231040
6 Senary 10312413
8 Octal 1123771
10 Decimal 305145
12 Duodecimal 128709
16 Hexadecimal 4a7f9
20 Vigesimal 1i2h5
36 Base36 6jg9

Cryptographic Hash Functions

md5 c5b91f7584a3a92b70035c63e03d19dc
sha1 5e5560826feb60ebdef68a2dd1c35618257de86b
sha256 94f44b4bcc4873fa86fbaa1ec4bb78005605370507eb1ec8eb8c43fc3b716ddc
sha512 933748029f8e1be9a5812a71812037230f2878328b1320cb64da4a43da1b996f7a34c8b923d7e6c361abe85b1da795608010df83be181930703f7b8e73cd7743
ripemd-160 8bc3d10d0131a4f8318a67d54898a52a03a6ee4b

305145 as geometric shapes

Circle

Radius = n
Diameter 610290
Circumference 1917282.5805593
Area 292524596522.39

Sphere

Radius = n
Volume 1.190165573411E+17
Surface area 1170098386089.5
Circumference 1917282.5805593

Square

Length = n
Perimeter 1220580
Area 93113471025
Diagonal 431540.19749034

Cube

Length = n
Surface area 558680826150
Volume 28413110115923625
Space diagonal 528526.64367561

Equilateral Triangle

Length = n
Perimeter 915435
Area 40319315671.098
Altitude 264263.3218378

Triangular Pyramid

Length = n
Surface area 40319315671.098
Volume 3.3485171395949E+15
Height 143846.73249678