389918 (number)

389918 is an even 6-digits composite number following 389917 and preceding 389919. In scientific notation, it is written as 3.89918 × 10^5. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 178200 positive integers (up to 389918) that are relatively prime to 389918.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine thousand nine hundred eighteen

Notation

Scientific notation 3.89918 × 10^5
Engineering notation 3.89918 × 10^3

Prime Factorization of 389918

Prime Factorization 2 × 19 × 31 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 389918
Product of the distinct prime numbers

The prime factorization of 389918 is 2 × 19 × 31 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 389918)

Multiplication

n×y
n×2 779836
n×3 1169754
n×4 1559672
n×5 1949590

Division

n÷y
n÷2 194959
n÷3 129972.66666667
n÷3 97479.5
n÷5 77983.6

Exponentiation

ny
n2 152036046724
n3 59281591266528632
n4 2.3114959503462E+22
n5 9.012938779671E+27

Nth Root

y√n
2√n 624.43414384545
3√n 73.056314836641
4√n 24.988680314203
5√n 13.12788177147

Divisors of 389918

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -389917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 389918 can be divided by 16 positive divisors. The sum of these divisors (counting 389918) is 1, the average is 0.0625.

Base conversion 389918

Base System Value
2 Binary 1011111001100011110
3 Ternary 201210212102
4 Quaternary 1133030132
5 Quinary 44434133
6 Senary 12205102
8 Octal 1371436
10 Decimal 389918
12 Duodecimal 169792
16 Hexadecimal 5f31e
20 Vigesimal 28efi
36 Base36 8cv2

Cryptographic Hash Functions

md5 bac419ca86083d270f7217e59e7ea7c0
sha1 68a53861c3d9ddc3879e61e5afeaf25b682c244b
sha256 4842213f05244c7f61eaf988d2fea3f84a3e4ebd458ba926d839435d4c1c6320
sha512 458b8c90b0c7066577497767a7f6287aef47ddd3a1d72303e4d8aee8b88be3c801eac4c0b778e6f5bff54aef5fc4969a95a8562714abf88679fa6a0cbc76da6b
ripemd-160 61fbe069ec01758e232259c766beb048e472cabb

389918 as geometric shapes

Circle

Radius = n
Diameter 779836
Circumference 2449927.0486048
Area 477635327468.95

Sphere

Radius = n
Volume 2.4831814882139E+17
Surface area 1910541309875.8
Circumference 2449927.0486048

Square

Length = n
Perimeter 1559672
Area 152036046724
Diagonal 551427.32381339

Cube

Length = n
Surface area 912216280344
Volume 59281591266528632
Space diagonal 675357.78678564

Equilateral Triangle

Length = n
Perimeter 1169754
Area 65833539376.971
Altitude 337678.89339282

Triangular Pyramid

Length = n
Surface area 65833539376.971
Volume 6.9864025306819E+15
Height 183809.1079378