30645 (number)

30645 is an odd 5-digits composite number following 30644 and preceding 30646. In scientific notation, it is written as 3.0645 × 10^4. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 16272 positive integers (up to 30645) that are relatively prime to 30645.

Interesting facts

Basic properties

Name

Name thirty thousand six hundred forty-five

Notation

Scientific notation 3.0645 × 10^4
Engineering notation 3.0645 × 10^3

Prime Factorization of 30645

Prime Factorization 45 × 3 × 227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30645
Product of the distinct prime numbers

The prime factorization of 30645 is 45 × 3 × 227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30645)

Multiplication

n×y
n×2 61290
n×3 91935
n×4 122580
n×5 153225

Division

n÷y
n÷2 15322.5
n÷3 10215
n÷3 7661.25
n÷5 6129

Exponentiation

ny
n2 939116025
n3 28779210586125
n4 881938908411800625
n5 2.702701784828E+22

Nth Root

y√n
2√n 175.05713353074
3√n 31.293432939918
4√n 13.230915823583
5√n 7.8935420187462

Divisors of 30645

1, 3, 45, 135, 227, 681, 10215, 30645

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 -30644
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 30645 can be divided by 8 positive divisors. The sum of these divisors (counting 30645) is 1, the average is 0.125.

Base conversion 30645

Base System Value
2 Binary 111011110110101
3 Ternary 1120001000
4 Quaternary 13132311
5 Quinary 1440040
6 Senary 353513
8 Octal 73665
10 Decimal 30645
12 Duodecimal 15899
16 Hexadecimal 77b5
20 Vigesimal 3gc5
36 Base36 nn9

Cryptographic Hash Functions

md5 5be5a7506bfc5ce83afa8354f9ac5fff
sha1 a647ca6aa64a2880e22e24cf6359fa23e8891420
sha256 715929f93019d95c25c7dbf35420928e77ff3eb218e3234bc8f664b87f8f8b6c
sha512 6970190f1494f2f1cf9cc072ee7f58ed55276963acbdc736e24519ab48bc9d666ea7db9c6776050a04bffc7e8a4ca7e9f2e018e3fb3de3c92350247f74993772
ripemd-160 ddb22a55439313643a6804a94872300aa0ba1e48

30645 as geometric shapes

Circle

Radius = n
Diameter 61290
Circumference 192548.21373852
Area 2950320005.0084

Sphere

Radius = n
Volume 1.2055007540465E+14
Surface area 11801280020.034
Circumference 192548.21373852

Square

Length = n
Perimeter 122580
Area 939116025
Diagonal 43338.574618923

Cube

Length = n
Surface area 5634696150
Volume 28779210586125
Space diagonal 53078.696997948

Equilateral Triangle

Length = n
Perimeter 91935
Area 406649167.37553
Altitude 26539.348498974

Triangular Pyramid

Length = n
Surface area 406649167.37553
Volume 3391662493774.1
Height 14446.191539641