28447725 (number)

28447725 is an odd 8-digits composite number following 28447724 and preceding 28447726. In scientific notation, it is written as 2.8447725 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 14817600 positive integers (up to 28447725) that are relatively prime to 28447725.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty-seven thousand seven hundred twenty-five

Notation

Scientific notation 2.8447725 × 10^7
Engineering notation 2.8447725 × 10^6

Prime Factorization of 28447725

Prime Factorization 15 × 5 × 43 × 8821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28447725
Product of the distinct prime numbers

The prime factorization of 28447725 is 15 × 5 × 43 × 8821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 23, 83, 158, 660, 9627, 8240, 82534, 12702, 915878, 949703, 7033750, 475241, 52167869, 88082927, 417465705, 241957883, 8719606364, 6522333051

Basic calculations (n = 28447725)

Multiplication

n×y
n×2 56895450
n×3 85343175
n×4 113790900
n×5 142238625

Division

n÷y
n÷2 14223862.5
n÷3 9482575
n÷3 7111931.25
n÷5 5689545

Exponentiation

ny
n2 809273057675625
n3 2.3021977394665E+22
n4 6.5492288187966E+29
n5 1.863106603992E+37

Nth Root

y√n
2√n 5333.6408765495
3√n 305.26886620477
4√n 73.03177990813
5√n 30.960609960616

Divisors of 28447725

1, 5, 15, 43, 75, 215, 645, 3225, 8821, 44105, 132315, 379303, 661575, 1896515, 5689545, 28447725

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 -28447724
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 28447725 can be divided by 16 positive divisors. The sum of these divisors (counting 28447725) is 1, the average is 0.0625.

Base conversion 28447725

Base System Value
2 Binary 1101100100001001111101101
3 Ternary 1222112021221110
4 Quaternary 1230201033231
5 Quinary 24240311400
6 Senary 2453422233
8 Octal 154411755
10 Decimal 28447725
12 Duodecimal 963a979
16 Hexadecimal 1b213ed
20 Vigesimal 8hfj65
36 Base36 gxqel

Cryptographic Hash Functions

md5 8bdc51a2853043ab7d0cc8c262faf4a0
sha1 a3b41b16adaf616353a72659193d892f97234880
sha256 75ad8f76d58785bdad5230697bbb7004213d370335bb1ef1822050c25cae47c1
sha512 894114d6fe1eaf83f93af48c6c9c233a63a53ed5d88ae8b2978dd90a9fe51606242993046dda42b23eadfc6f3eb19b2fac1b9a7f55b9741551d992e4c97ddaad
ripemd-160 568bedc30d7e75ac96d4ad42040337221a85e11a

28447725 as geometric shapes

Circle

Radius = n
Diameter 56895450
Circumference 178742327.74269
Area 2.5424062927419E+15

Sphere

Radius = n
Volume 9.6434233405588E+22
Surface area 1.0169625170968E+16
Circumference 178742327.74269

Square

Length = n
Perimeter 113790900
Area 809273057675625
Diagonal 40231158.51366

Cube

Length = n
Surface area 4855638346053750
Volume 2.3021977394665E+22
Space diagonal 49272905.059747

Equilateral Triangle

Length = n
Perimeter 85343175
Area 3.504255132727E+14
Altitude 24636452.529874

Triangular Pyramid

Length = n
Surface area 3.504255132727E+14
Volume 2.7131660553485E+21
Height 13410386.17122