28447621 (number)

28447621 is an odd 8-digits composite number following 28447620 and preceding 28447622. In scientific notation, it is written as 2.8447621 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 28300032 positive integers (up to 28447621) that are relatively prime to 28447621.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty-seven thousand six hundred twenty-one

Notation

Scientific notation 2.8447621 × 10^7
Engineering notation 2.8447621 × 10^6

Prime Factorization of 28447621

Prime Factorization 193 × 147397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28447621
Product of the distinct prime numbers

The prime factorization of 28447621 is 193 × 147397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28447621)

Multiplication

n×y
n×2 56895242
n×3 85342863
n×4 113790484
n×5 142238105

Division

n÷y
n÷2 14223810.5
n÷3 9482540.3333333
n÷3 7111905.25
n÷5 5689524.2

Exponentiation

ny
n2 809267140559641
n3 2.3021724902394E+22
n4 6.5491330478958E+29
n5 1.8630725482511E+37

Nth Root

y√n
2√n 5333.6311271028
3√n 305.26849420079
4√n 73.031713160125
5√n 30.960587323247

Divisors of 28447621

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 -28447620
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 28447621 can be divided by 4 positive divisors. The sum of these divisors (counting 28447621) is 1, the average is 0.25.

Base conversion 28447621

Base System Value
2 Binary 1101100100001001110000101
3 Ternary 1222112021210121
4 Quaternary 1230201032011
5 Quinary 24240310441
6 Senary 2453421541
8 Octal 154411605
10 Decimal 28447621
12 Duodecimal 963a8b1
16 Hexadecimal 1b21385
20 Vigesimal 8hfj11
36 Base36 gxqbp

Cryptographic Hash Functions

md5 51611cb0b804c243b479b937d567aeb2
sha1 3df2c52ba06643c453c463843c833ae36609c430
sha256 5b542c95e04c1a5bec711617800e24dd9b18d10fa3d9e84c3dc8d0927d224ca8
sha512 b7548a31a88eefd8064c424161ecde716d4ce26778f44df4aaa11fb9ae339f894789b5240f1d6c881afad01b6080141370aa4b8ded0787a6defe2d25cb9dfdec
ripemd-160 b1410ad371447588620a906ecc50dc243f376338

28447621 as geometric shapes

Circle

Radius = n
Diameter 56895242
Circumference 178741674.29141
Area 2.5423877035738E+15

Sphere

Radius = n
Volume 9.6433175768437E+22
Surface area 1.0169550814295E+16
Circumference 178741674.29141

Square

Length = n
Perimeter 113790484
Area 809267140559641
Diagonal 40231011.43545

Cube

Length = n
Surface area 4855602843357846
Volume 2.3021724902394E+22
Space diagonal 49272724.926463

Equilateral Triangle

Length = n
Perimeter 85342863
Area 3.5042295108632E+14
Altitude 24636362.463232

Triangular Pyramid

Length = n
Surface area 3.5042295108632E+14
Volume 2.713136298849E+21
Height 13410337.14515