15666421 (number)

15666421 is an odd 8-digits composite number following 15666420 and preceding 15666422. In scientific notation, it is written as 1.5666421 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 15546700 positive integers (up to 15666421) that are relatively prime to 15666421.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-six thousand four hundred twenty-one

Notation

Scientific notation 1.5666421 × 10^7
Engineering notation 1.5666421 × 10^6

Prime Factorization of 15666421

Prime Factorization 131 × 119591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15666421
Product of the distinct prime numbers

The prime factorization of 15666421 is 131 × 119591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15666421)

Multiplication

n×y
n×2 31332842
n×3 46999263
n×4 62665684
n×5 78332105

Division

n÷y
n÷2 7833210.5
n÷3 5222140.3333333
n÷3 3916605.25
n÷5 3133284.2

Exponentiation

ny
n2 245436746949241
n3 3.8451154065773E+21
n4 6.0239196753026E+28
n5 9.4373261703473E+35

Nth Root

y√n
2√n 3958.0829955927
3√n 250.22071707854
4√n 62.913297446507
5√n 27.478559279293

Divisors of 15666421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15666420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15666421 can be divided by 4 positive divisors. The sum of these divisors (counting 15666421) is 1, the average is 0.25.

Base conversion 15666421

Base System Value
2 Binary 111011110000110011110101
3 Ternary 1002110221021211
4 Quaternary 323300303311
5 Quinary 13002311141
6 Senary 1315441421
8 Octal 73606365
10 Decimal 15666421
12 Duodecimal 52b6271
16 Hexadecimal ef0cf5
20 Vigesimal 4hi611
36 Base36 9bsad

Cryptographic Hash Functions

md5 ea65600d4186df6fc8701c0b84f64a8b
sha1 037c1834427f344c412d9ac1d5cfa57c94622353
sha256 cdf362cb9d0b3ec6b36d0c0cd493a84756601dd5c90bfb52808b17dc02221d98
sha512 288ae5b5bbd4c1512f4d35935c1bf29836afee459ddf1c6e6bfd30bc5f48f30c9027294d49e91be8b877e7ac8671b377053f409e88a27df2f6cb3e332a3a6fed
ripemd-160 313dccd33f8c4313a203d8636f16c11aaa33c849

15666421 as geometric shapes

Circle

Radius = n
Diameter 31332842
Circumference 98435026.24329
Area 7.7106228113671E+14

Sphere

Radius = n
Volume 1.6106381751344E+22
Surface area 3.0842491245469E+15
Circumference 98435026.24329

Square

Length = n
Perimeter 62665684
Area 245436746949241
Diagonal 22155665.052047

Cube

Length = n
Surface area 1472620481695446
Volume 3.8451154065773E+21
Space diagonal 27135037.144764

Equilateral Triangle

Length = n
Perimeter 46999263
Area 1.0627722894013E+14
Altitude 13567518.572382

Triangular Pyramid

Length = n
Surface area 1.0627722894013E+14
Volume 4.5315119640594E+20
Height 7385221.6840156