15678945 (number)

15678945 is an odd 8-digits composite number following 15678944 and preceding 15678946. In scientific notation, it is written as 1.5678945 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 8362080 positive integers (up to 15678945) that are relatively prime to 15678945.

Interesting facts

Basic properties

Name

Name fifteen million six hundred seventy-eight thousand nine hundred forty-five

Notation

Scientific notation 1.5678945 × 10^7
Engineering notation 1.5678945 × 10^6

Prime Factorization of 15678945

Prime Factorization 5 × 3 × 3 × 348421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5226315
Product of the distinct prime numbers

The prime factorization of 15678945 is 5 × 3 × 3 × 348421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 40, 66, 813, 110, 7656, 1560, 71416, 96573, 136119, 23465, 104819, 2703232, 26541940, 64458792, 672211775, 161258973, 9494245484, 4096946815

Basic calculations (n = 15678945)

Multiplication

n×y
n×2 31357890
n×3 47036835
n×4 62715780
n×5 78394725

Division

n÷y
n÷2 7839472.5
n÷3 5226315
n÷3 3919736.25
n÷5 3135789

Exponentiation

ny
n2 245829316313025
n3 3.8543443298595E+21
n4 6.0432052758929E+28
n5 9.4751083144435E+35

Nth Root

y√n
2√n 3959.664758537
3√n 250.28737619977
4√n 62.925867165555
5√n 27.48295123945

Divisors of 15678945

1, 3, 5, 9, 15, 45, 348421, 1045263, 1742105, 3135789, 5226315, 15678945

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 -15678944
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 15678945 can be divided by 12 positive divisors. The sum of these divisors (counting 15678945) is 1, the average is 0.083333333333333.

Base conversion 15678945

Base System Value
2 Binary 111011110011110111100001
3 Ternary 1002111120110200
4 Quaternary 323303313201
5 Quinary 13003211240
6 Senary 1320015413
8 Octal 73636741
10 Decimal 15678945
12 Duodecimal 5301569
16 Hexadecimal ef3de1
20 Vigesimal 4hjh75
36 Base36 9c1y9

Cryptographic Hash Functions

md5 9f5e0de226883f2a02825e7369c71526
sha1 5278b91e084f388fdcc5ecf45bc941d5c192b29d
sha256 15a5cf04271c0b1d048bb596b826d68e7fbe991735183ed38609bce215be888a
sha512 3ae0d987578ea88ae47bd477d2ff6ce9a44b563f5fa313a6b7eaad3a6a33dff6d85577302a7576fe9677f4a46ce217bceae757af7827b8a617252b9ed08f3033
ripemd-160 9ae2c4d351bd964eca3003f9b6258ecd1160c7a2

15678945 as geometric shapes

Circle

Radius = n
Diameter 31357890
Circumference 98513716.856077
Area 7.72295574166E+14

Sphere

Radius = n
Volume 1.614503977479E+22
Surface area 3.089182296664E+15
Circumference 98513716.856077

Square

Length = n
Perimeter 62715780
Area 245829316313025
Diagonal 22173376.662702

Cube

Length = n
Surface area 1474975897878150
Volume 3.8543443298595E+21
Space diagonal 27156729.349078

Equilateral Triangle

Length = n
Perimeter 47036835
Area 1.0644721646102E+14
Altitude 13578364.674539

Triangular Pyramid

Length = n
Surface area 1.0644721646102E+14
Volume 4.5423883544526E+20
Height 7391125.5542339