15665968 (number)

15665968 is an even 8-digits composite number following 15665967 and preceding 15665969. In scientific notation, it is written as 1.5665968 × 10^7. The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors. There are 7801920 positive integers (up to 15665968) that are relatively prime to 15665968.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-five thousand nine hundred sixty-eight

Notation

Scientific notation 1.5665968 × 10^7
Engineering notation 1.5665968 × 10^6

Prime Factorization of 15665968

Prime Factorization 2 × 2 × 2 × 2 × 271 × 3613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1958246
Product of the distinct prime numbers

The prime factorization of 15665968 is 2 × 2 × 2 × 2 × 271 × 3613. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15665968)

Multiplication

n×y
n×2 31331936
n×3 46997904
n×4 62663872
n×5 78329840

Division

n÷y
n÷2 7832984
n÷3 5221989.3333333
n÷3 3916492
n÷5 3133193.6

Exponentiation

ny
n2 245422553377024
n3 3.8447818676827E+21
n4 6.0232229706098E+28
n5 9.4359618314438E+35

Nth Root

y√n
2√n 3958.0257705073
3√n 250.21830531567
4√n 62.912842651619
5√n 27.47840036704

Divisors of 15665968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15665967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15665968 can be divided by 20 positive divisors. The sum of these divisors (counting 15665968) is 1, the average is 0.05.

Base conversion 15665968

Base System Value
2 Binary 111011110000101100110000
3 Ternary 1002110220200001
4 Quaternary 323300230300
5 Quinary 13002302333
6 Senary 1315435344
8 Octal 73605460
10 Decimal 15665968
12 Duodecimal 52b5b54
16 Hexadecimal ef0b30
20 Vigesimal 4hi4i8
36 Base36 9brxs

Cryptographic Hash Functions

md5 85757e70d2916071a0056c4423766d5f
sha1 187585c408fa00305baa352cec6c637d764e8e74
sha256 a08f319fe7990d35b225c74d6b649a2a87547b65e6d0158956024761724d0581
sha512 e11fd33f53d855127ac7f8203b1c09d9648378dd6661a7563a486fe85dec48b56be2313985e33bf8a2fa7966e816da4b04d5e6369cb9378a57beb9c80cd81bee
ripemd-160 d3e3e0e2df2e26072b70ec4bbc0bbab1a80dd875

15665968 as geometric shapes

Circle

Radius = n
Diameter 31331936
Circumference 98432179.960346
Area 7.7101769071451E+14

Sphere

Radius = n
Volume 1.610498462689E+22
Surface area 3.084070762858E+15
Circumference 98432179.960346

Square

Length = n
Perimeter 62663872
Area 245422553377024
Diagonal 22155024.413303

Cube

Length = n
Surface area 1472535320262144
Volume 3.8447818676827E+21
Space diagonal 27134252.525748

Equilateral Triangle

Length = n
Perimeter 46997904
Area 1.0627108294307E+14
Altitude 13567126.262874

Triangular Pyramid

Length = n
Surface area 1.0627108294307E+14
Volume 4.5311188847026E+20
Height 7385008.1377676