30845 (number)

30845 is an odd 5-digits composite number following 30844 and preceding 30846. In scientific notation, it is written as 3.0845 × 10^4. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 23760 positive integers (up to 30845) that are relatively prime to 30845.

Interesting facts

Basic properties

Name

Name thirty thousand eight hundred forty-five

Notation

Scientific notation 3.0845 × 10^4
Engineering notation 3.0845 × 10^3

Prime Factorization of 30845

Prime Factorization 155 × 199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30845
Product of the distinct prime numbers

The prime factorization of 30845 is 155 × 199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30845)

Multiplication

n×y
n×2 61690
n×3 92535
n×4 123380
n×5 154225

Division

n÷y
n÷2 15422.5
n÷3 10281.666666667
n÷3 7711.25
n÷5 6169

Exponentiation

ny
n2 951414025
n3 29346365601125
n4 905188646966700625
n5 2.7920543815688E+22

Nth Root

y√n
2√n 175.62744660218
3√n 31.361362675932
4√n 13.252450588558
5√n 7.9038184304742

Divisors of 30845

1, 155, 199, 30845

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 -30844
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 30845 can be divided by 4 positive divisors. The sum of these divisors (counting 30845) is 1, the average is 0.25.

Base conversion 30845

Base System Value
2 Binary 111100001111101
3 Ternary 1120022102
4 Quaternary 13201331
5 Quinary 1441340
6 Senary 354445
8 Octal 74175
10 Decimal 30845
12 Duodecimal 15a25
16 Hexadecimal 787d
20 Vigesimal 3h25
36 Base36 nst

Cryptographic Hash Functions

md5 6dd2f7fb9018bfcd8c3be1f8e65224ae
sha1 4497f128de5d46de4c3d0f383dc9b6e5c3a04642
sha256 0342f0947e15103ce1af2a3577f5c8c9f6f7794b23552430411f48769cba7147
sha512 f254a97763a0b6390c540db13ac8fe2d8ae2e65f3b7b98e23222e5ac58f4fa98ac9c9d1966a6fd9f0d522cb25a873356c52fd74760d4f01e985de7954e8a8c95
ripemd-160 a4b6b09d7b247d3c72c14d7910c57d6c9fa1f6bf

30845 as geometric shapes

Circle

Radius = n
Diameter 61690
Circumference 193804.85079995
Area 2988955311.4623

Sphere

Radius = n
Volume 1.2292576877607E+14
Surface area 11955821245.849
Circumference 193804.85079995

Square

Length = n
Perimeter 123380
Area 951414025
Diagonal 43621.417331398

Cube

Length = n
Surface area 5708484150
Volume 29346365601125
Space diagonal 53425.107159462

Equilateral Triangle

Length = n
Perimeter 92535
Area 411974357.5834
Altitude 26712.553579731

Triangular Pyramid

Length = n
Surface area 411974357.5834
Volume 3458502353289.2
Height 14540.472443799