12389915 (number)

12389915 is an odd 8-digits composite number following 12389914 and preceding 12389916. In scientific notation, it is written as 1.2389915 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 9911928 positive integers (up to 12389915) that are relatively prime to 12389915.

Interesting facts

Basic properties

Name

Name twelve million three hundred eighty-nine thousand nine hundred fifteen

Notation

Scientific notation 1.2389915 × 10^7
Engineering notation 1.2389915 × 10^6

Prime Factorization of 12389915

Prime Factorization 5 × 2477983

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12389915
Product of the distinct prime numbers

The prime factorization of 12389915 is 5 × 2477983. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 19, 18, 313, 918, 3079, 2747, 58984, 74173, 966589, 147432, 6594783, 2417093, 93277511, 94858770, 812254639, 700462629, 2057739860, 2569444323

Basic calculations (n = 12389915)

Multiplication

n×y
n×2 24779830
n×3 37169745
n×4 49559660
n×5 61949575

Division

n÷y
n÷2 6194957.5
n÷3 4129971.6666667
n÷3 3097478.75
n÷5 2477983

Exponentiation

ny
n2 153509993707225
n3 1.9019757736831E+21
n4 2.3565318167992E+28
n5 2.9197228904938E+35

Nth Root

y√n
2√n 3519.9311072804
3√n 231.39613942648
4√n 59.329007300648
5√n 26.218851597188

Divisors of 12389915

1, 5, 2477983, 12389915

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 -12389914
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 12389915 can be divided by 4 positive divisors. The sum of these divisors (counting 12389915) is 1, the average is 0.25.

Base conversion 12389915

Base System Value
2 Binary 101111010000111000011011
3 Ternary 212022110202202
4 Quaternary 233100320123
5 Quinary 11132434130
6 Senary 1121320415
8 Octal 57207033
10 Decimal 12389915
12 Duodecimal 419610b
16 Hexadecimal bd0e1b
20 Vigesimal 3h8eff
36 Base36 7dk4b

Cryptographic Hash Functions

md5 9755045849aa236bd9d034563aa9be39
sha1 9f0e60b7c92a230405145faf784302a086e20391
sha256 df7e39ea0f3ba30e92a9dac88e4a34ea61f84ba2c540c16d158d40f7bf2d6863
sha512 f79d2126c362966b5d5a7db42e13209ab5b8475cdf5a9d3e19dba9bc430e06d80bfb9898580943da5b8d05a2e92f53faedf897649530a31e4dfb1371c048c93f
ripemd-160 4ac76be6cae8a6313a214b8da6519a17eb7a9b63

12389915 as geometric shapes

Circle

Radius = n
Diameter 24779830
Circumference 77848131.885204
Area 4.8226586848323E+14

Sphere

Radius = n
Volume 7.9669774905446E+21
Surface area 1.9290634739329E+15
Circumference 77848131.885204

Square

Length = n
Perimeter 49559660
Area 153509993707225
Diagonal 17521985.82965

Cube

Length = n
Surface area 921059962243350
Volume 1.9019757736831E+21
Space diagonal 21459962.28146

Equilateral Triangle

Length = n
Perimeter 37169745
Area 66471777142623
Altitude 10729981.14073

Triangular Pyramid

Length = n
Surface area 66471777142623
Volume 2.241499945373E+20
Height 5840661.9432166