28421661 (number)

28421661 is an odd 8-digits composite number following 28421660 and preceding 28421662. In scientific notation, it is written as 2.8421661 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 18255744 positive integers (up to 28421661) that are relatively prime to 28421661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8421661 × 10^7
Engineering notation 2.8421661 × 10^6

Prime Factorization of 28421661

Prime Factorization 3 × 107 × 37 × 2393

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28421661
Product of the distinct prime numbers

The prime factorization of 28421661 is 3 × 107 × 37 × 2393. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 57, 23, 146, 30, 2989, 4317, 60788, 98684, 140585, 472764, 8012250, 6921885, 27111117, 27642775, 113726703, 106401273, 6201516361, 6109412996

Basic calculations (n = 28421661)

Multiplication

n×y
n×2 56843322
n×3 85264983
n×4 113686644
n×5 142108305

Division

n÷y
n÷2 14210830.5
n÷3 9473887
n÷3 7105415.25
n÷5 5684332.2

Exponentiation

ny
n2 807790813998921
n3 2.2958756674391E+22
n4 6.5252599918104E+29
n5 1.854587274241E+37

Nth Root

y√n
2√n 5331.1969575321
3√n 305.17560791073
4√n 73.015046103746
5√n 30.954934615845

Divisors of 28421661

1, 3, 37, 107, 111, 321, 2393, 3959, 7179, 11877, 88541, 256051, 265623, 768153, 9473887, 28421661

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28421660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28421661 can be divided by 16 positive divisors. The sum of these divisors (counting 28421661) is 1, the average is 0.0625.

Base conversion 28421661

Base System Value
2 Binary 1101100011010111000011101
3 Ternary 1222110222012010
4 Quaternary 1230122320131
5 Quinary 24233443121
6 Senary 2453101433
8 Octal 154327035
10 Decimal 28421661
12 Duodecimal 9627879
16 Hexadecimal 1b1ae1d
20 Vigesimal 8hce31
36 Base36 gx6al

Cryptographic Hash Functions

md5 90a0a6ea40c227f69f3afb3d6921eb63
sha1 59d9bfe977dcf92a669c65473887a94574ef3d5b
sha256 ab31501d8ca0f9fcc3d87715e6d8da4633f6e527a498b9adcab1d53641e89f93
sha512 5f02feaaa601c36ad2a8ce53c713d76e44cca59c9ef15a12cc8478eb1875bbe785392580e97de274dd248d95b09f442df7878a4b0a2ff86800585f46890d74b3
ripemd-160 c0c04b41f5274ac0f79bc238ccc8b250b5e49c1e

28421661 as geometric shapes

Circle

Radius = n
Diameter 56843322
Circumference 178578562.80084
Area 2.5377496868963E+15

Sphere

Radius = n
Volume 9.6169415071765E+22
Surface area 1.0150998747585E+16
Circumference 178578562.80084

Square

Length = n
Perimeter 113686644
Area 807790813998921
Diagonal 40194298.45137

Cube

Length = n
Surface area 4846744883993526
Volume 2.2958756674391E+22
Space diagonal 49227760.887499

Equilateral Triangle

Length = n
Perimeter 85264983
Area 3.4978368293339E+14
Altitude 24613880.443749

Triangular Pyramid

Length = n
Surface area 3.4978368293339E+14
Volume 2.7057154220123E+21
Height 13398099.48379