15663991 (number)

15663991 is an odd 8-digits composite number following 15663990 and preceding 15663992. In scientific notation, it is written as 1.5663991 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 13172640 positive integers (up to 15663991) that are relatively prime to 15663991.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-three thousand nine hundred ninety-one

Notation

Scientific notation 1.5663991 × 10^7
Engineering notation 1.5663991 × 10^6

Prime Factorization of 15663991

Prime Factorization 7 × 53 × 42221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15663991
Product of the distinct prime numbers

The prime factorization of 15663991 is 7 × 53 × 42221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15663991)

Multiplication

n×y
n×2 31327982
n×3 46991973
n×4 62655964
n×5 78319955

Division

n÷y
n÷2 7831995.5
n÷3 5221330.3333333
n÷3 3915997.75
n÷5 3132798.2

Exponentiation

ny
n2 245360614048081
n3 3.8433264502036E+21
n4 6.0201830926051E+28
n5 9.4300093780919E+35

Nth Root

y√n
2√n 3957.7760169065
3√n 250.20777926327
4√n 62.910857702836
5√n 27.477706793046

Divisors of 15663991

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15663990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15663991 can be divided by 8 positive divisors. The sum of these divisors (counting 15663991) is 1, the average is 0.125.

Base conversion 15663991

Base System Value
2 Binary 111011110000001101110111
3 Ternary 1002110210221211
4 Quaternary 323300031313
5 Quinary 13002221431
6 Senary 1315422251
8 Octal 73601567
10 Decimal 15663991
12 Duodecimal 52b4987
16 Hexadecimal ef0377
20 Vigesimal 4hhjjb
36 Base36 9bqev

Cryptographic Hash Functions

md5 336854582d27fa8587811b775b86139d
sha1 37f8a8d3f5b204ebad7c17ec9a3d04563ed3a198
sha256 0e7bebb9cff39f8d9df25ef06fc2c30a6ab0f38fbb283efdd79bae2fb7171c9a
sha512 65fbfd37963d3677cfd1671af7fd52c2558512a19458861e4f8b99bd9463c49422016be5da5bdf756580b736396a320769b89bb5b8f0a45cdae754eb74ea9097
ripemd-160 5a3069256d86cf563fe4ace159340bb3bb4f84fa

15663991 as geometric shapes

Circle

Radius = n
Diameter 31327982
Circumference 98419758.102993
Area 7.7082310257373E+14

Sphere

Radius = n
Volume 1.6098888188409E+22
Surface area 3.0832924102949E+15
Circumference 98419758.102993

Square

Length = n
Perimeter 62655964
Area 245360614048081
Diagonal 22152228.51309

Cube

Length = n
Surface area 1472163684288486
Volume 3.8433264502036E+21
Space diagonal 27130828.261302

Equilateral Triangle

Length = n
Perimeter 46991973
Area 1.0624426242689E+14
Altitude 13565414.130651

Triangular Pyramid

Length = n
Surface area 1.0624426242689E+14
Volume 4.5294036587543E+20
Height 7384076.17103