15721144 (number)

15721144 is an even 8-digits composite number following 15721143 and preceding 15721145. In scientific notation, it is written as 1.5721144 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 7340256 positive integers (up to 15721144) that are relatively prime to 15721144.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5721144 × 10^7
Engineering notation 1.5721144 × 10^6

Prime Factorization of 15721144

Prime Factorization 2 × 2 × 2 × 23 × 43 × 1987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3930286
Product of the distinct prime numbers

The prime factorization of 15721144 is 2 × 2 × 2 × 23 × 43 × 1987. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 93, 84, 240, 97, 8369, 2917, 69483, 92409, 408062, 280288, 47932, 3286510, 70179690, 85979064, 215053172, 981156551, 9440514605, 5388514450

Basic calculations (n = 15721144)

Multiplication

n×y
n×2 31442288
n×3 47163432
n×4 62884576
n×5 78605720

Division

n÷y
n÷2 7860572
n÷3 5240381.3333333
n÷3 3930286
n÷5 3144228.8

Exponentiation

ny
n2 247154368668736
n3 3.8855494200703E+21
n4 6.1085281952041E+28
n5 9.6033051384865E+35

Nth Root

y√n
2√n 3964.9897856111
3√n 250.5117198565
4√n 62.968164858213
5√n 27.497729102473

Divisors of 15721144

1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 1987, 3956, 3974, 7912, 7948, 15896, 45701, 85441, 91402, 170882, 182804, 341764, 365608, 683528, 1965143, 3930286, 7860572, 15721144

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15721143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15721144 can be divided by 32 positive divisors. The sum of these divisors (counting 15721144) is 1, the average is 0.03125.

Base conversion 15721144

Base System Value
2 Binary 111011111110001010111000
3 Ternary 1002120201100121
4 Quaternary 323332022320
5 Quinary 13011034034
6 Senary 1320543024
8 Octal 73761270
10 Decimal 15721144
12 Duodecimal 5321a74
16 Hexadecimal efe2b8
20 Vigesimal 4i52h4
36 Base36 9cyig

Cryptographic Hash Functions

md5 5b4c3dcfe29d602805c3d139c7499a8b
sha1 a3065c04ef03e1a62346b806e984f474707d775f
sha256 cbdb07893387e565c2c18d46d30f1680d272de06c45ee098542c53d79d8cf433
sha512 4637318b08539e3485c96d34603f5a1f2e749d158a881312d9e1634e8e5b4c4f820d7362190ff72ea9145a4bc337e8d670b073691b4f935caa60ef530cb441fc
ripemd-160 4dbe5639d745f072c7881716251668993a9aa64d

15721144 as geometric shapes

Circle

Radius = n
Diameter 31442288
Circumference 98778860.992855
Area 7.7645834891232E+14

Sphere

Radius = n
Volume 1.6275751351004E+22
Surface area 3.1058333956493E+15
Circumference 98778860.992855

Square

Length = n
Perimeter 62884576
Area 247154368668736
Diagonal 22233055.06082

Cube

Length = n
Surface area 1482926212012416
Volume 3.8855494200703E+21
Space diagonal 27229820.161107

Equilateral Triangle

Length = n
Perimeter 47163432
Area 1.0702098096172E+14
Altitude 13614910.080553

Triangular Pyramid

Length = n
Surface area 1.0702098096172E+14
Volume 4.5791639059453E+20
Height 7411018.3536068