15721396 (number)

15721396 is an even 8-digits composite number following 15721395 and preceding 15721397. In scientific notation, it is written as 1.5721396 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 7398272 positive integers (up to 15721396) that are relatively prime to 15721396.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred twenty-one thousand three hundred ninety-six

Notation

Scientific notation 1.5721396 × 10^7
Engineering notation 1.5721396 × 10^6

Prime Factorization of 15721396

Prime Factorization 2 × 2 × 17 × 231197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7860698
Product of the distinct prime numbers

The prime factorization of 15721396 is 2 × 2 × 17 × 231197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 56, 98, 111, 109, 9115, 7508, 37819, 46921, 909042, 170380, 8232516, 3201523, 80695322, 19257638, 38596164, 883939607, 631631659, 7935465550

Basic calculations (n = 15721396)

Multiplication

n×y
n×2 31442792
n×3 47164188
n×4 62885584
n×5 78606980

Division

n÷y
n÷2 7860698
n÷3 5240465.3333333
n÷3 3930349
n÷5 3144279.2

Exponentiation

ny
n2 247162292188816
n3 3.8857362717681E+21
n4 6.108919868003E+28
n5 9.6040748377142E+35

Nth Root

y√n
2√n 3965.0215636236
3√n 250.51305836418
4√n 62.968417191665
5√n 27.497817256151

Divisors of 15721396

1, 2, 4, 17, 34, 68, 231197, 462394, 924788, 3930349, 7860698, 15721396

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 -15721395
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 15721396 can be divided by 12 positive divisors. The sum of these divisors (counting 15721396) is 1, the average is 0.083333333333333.

Base conversion 15721396

Base System Value
2 Binary 111011111110001110110100
3 Ternary 1002120201200221
4 Quaternary 323332032310
5 Quinary 13011041041
6 Senary 1320544124
8 Octal 73761664
10 Decimal 15721396
12 Duodecimal 5322044
16 Hexadecimal efe3b4
20 Vigesimal 4i539g
36 Base36 9cypg

Cryptographic Hash Functions

md5 2bbe3baca399c30d5caa6238b0eb9fbc
sha1 6c7be61793dcb43d0f12003f93d16e82bc35e9d9
sha256 fcb8e1ec668bf0e2feed0c6a4e8c5b3b8776cef3a69a818125509a27637041a9
sha512 cf7bc950e9c5f898d7bfd85185feb960b747b49a645b32321acdf267d0b2cce7fb18140f4485bfff066bbf191e08531c332a9d00727130e9d3b87d3325562c40
ripemd-160 66e709172ffa528a077036e770388db168587fd3

15721396 as geometric shapes

Circle

Radius = n
Diameter 31442792
Circumference 98780444.355552
Area 7.764832413848E+14

Sphere

Radius = n
Volume 1.6276534033565E+22
Surface area 3.1059329655392E+15
Circumference 98780444.355552

Square

Length = n
Perimeter 62885584
Area 247162292188816
Diagonal 22233411.442638

Cube

Length = n
Surface area 1482973753132896
Volume 3.8857362717681E+21
Space diagonal 27230256.63791

Equilateral Triangle

Length = n
Perimeter 47164188
Area 1.0702441194655E+14
Altitude 13615128.318955

Triangular Pyramid

Length = n
Surface area 1.0702441194655E+14
Volume 4.5793841127829E+20
Height 7411137.147546