15721142 (number)

15721142 is an even 8-digits composite number following 15721141 and preceding 15721143. In scientific notation, it is written as 1.5721142 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 7840944 positive integers (up to 15721142) that are relatively prime to 15721142.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred twenty-one thousand one hundred forty-two

Notation

Scientific notation 1.5721142 × 10^7
Engineering notation 1.5721142 × 10^6

Prime Factorization of 15721142

Prime Factorization 2 × 409 × 19219

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15721142
Product of the distinct prime numbers

The prime factorization of 15721142 is 2 × 409 × 19219. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15721142)

Multiplication

n×y
n×2 31442284
n×3 47163426
n×4 62884568
n×5 78605710

Division

n÷y
n÷2 7860571
n÷3 5240380.6666667
n÷3 3930285.5
n÷5 3144228.4

Exponentiation

ny
n2 247154305784164
n3 3.8855479371443E+21
n4 6.1085250867652E+28
n5 9.6032990299598E+35

Nth Root

y√n
2√n 3964.9895334036
3√n 250.51170923337
4√n 62.968162855554
5√n 27.497728402836

Divisors of 15721142

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 -15721141
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 15721142 can be divided by 8 positive divisors. The sum of these divisors (counting 15721142) is 1, the average is 0.125.

Base conversion 15721142

Base System Value
2 Binary 111011111110001010110110
3 Ternary 1002120201100112
4 Quaternary 323332022312
5 Quinary 13011034032
6 Senary 1320543022
8 Octal 73761266
10 Decimal 15721142
12 Duodecimal 5321a72
16 Hexadecimal efe2b6
20 Vigesimal 4i52h2
36 Base36 9cyie

Cryptographic Hash Functions

md5 58d182e28c21ac8c6ffeeafccdf9b27f
sha1 b35ac31d027e6b01e67aebd721e0137444f00384
sha256 8e5a177ae402c05739e260ac32588b5b61f59ff50a50ee482053ce8b8015903a
sha512 1b714cdd729c27dd073b838c34614d31586c42eadca49660ac7ee93feeb9dd1e4fd3bc564c196138593d303e891f2f7bfe53d1de1c8cf4cdc8f350c47f1d8b7b
ripemd-160 6cd9419eb4d70069d2d5bfc75c15b22e9bf1fe14

15721142 as geometric shapes

Circle

Radius = n
Diameter 31442284
Circumference 98778848.426484
Area 7.7645815135461E+14

Sphere

Radius = n
Volume 1.6275745139338E+22
Surface area 3.1058326054185E+15
Circumference 98778848.426484

Square

Length = n
Perimeter 62884568
Area 247154305784164
Diagonal 22233052.232393

Cube

Length = n
Surface area 1482925834704984
Volume 3.8855479371443E+21
Space diagonal 27229816.697005

Equilateral Triangle

Length = n
Perimeter 47163426
Area 1.070209537319E+14
Altitude 13614908.348502

Triangular Pyramid

Length = n
Surface area 1.070209537319E+14
Volume 4.5791621583002E+20
Height 7411017.4107978