28587725 (number)

28587725 is an odd 8-digits composite number following 28587724 and preceding 28587726. In scientific notation, it is written as 2.8587725 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 22654320 positive integers (up to 28587725) that are relatively prime to 28587725.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eighty-seven thousand seven hundred twenty-five

Notation

Scientific notation 2.8587725 × 10^7
Engineering notation 2.8587725 × 10^6

Prime Factorization of 28587725

Prime Factorization 25 × 107 × 10687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28587725
Product of the distinct prime numbers

The prime factorization of 28587725 is 25 × 107 × 10687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28587725)

Multiplication

n×y
n×2 57175450
n×3 85763175
n×4 114350900
n×5 142938625

Division

n÷y
n÷2 14293862.5
n÷3 9529241.6666667
n÷3 7146931.25
n÷5 5717545

Exponentiation

ny
n2 817258020675625
n3 2.3363547549119E+22
n4 6.6791067235864E+29
n5 1.9094046625954E+37

Nth Root

y√n
2√n 5346.7490122503
3√n 305.7688209342
4√n 73.121467519808
5√n 30.991023485555

Divisors of 28587725

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28587724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28587725 can be divided by 8 positive divisors. The sum of these divisors (counting 28587725) is 1, the average is 0.125.

Base conversion 28587725

Base System Value
2 Binary 1101101000011011011001101
3 Ternary 1222210101222122
4 Quaternary 1231003123031
5 Quinary 24304301400
6 Senary 2500422325
8 Octal 155033315
10 Decimal 28587725
12 Duodecimal 96a79a5
16 Hexadecimal 1b436cd
20 Vigesimal 8id965
36 Base36 h0qfh

Cryptographic Hash Functions

md5 2df731824adca031cbe8cc3344fc9f2c
sha1 4ab342eebf17408fb8874af0b4cb9322658ed4a7
sha256 6bf5b48b0485f15aef442ee0110b27664a2ee64d193f955ce763e7a225977993
sha512 ff2d76ece9507abea805add9b07cdf3fde7b58e9cfe6a824e9c575c11a6691330fd1ed1ce8933c966b36c960521709e55c9ae205a7bd34a920a9352b20fa92fe
ripemd-160 906ea786a77dd2a4e38749232b846ff9c8c823e6

28587725 as geometric shapes

Circle

Radius = n
Diameter 57175450
Circumference 179621973.68569
Area 2.5674917938419E+15

Sphere

Radius = n
Volume 9.7864999122811E+22
Surface area 1.0269967175368E+16
Circumference 179621973.68569

Square

Length = n
Perimeter 114350900
Area 817258020675625
Diagonal 40429148.412392

Cube

Length = n
Surface area 4903548124053750
Volume 2.3363547549119E+22
Space diagonal 49515392.172807

Equilateral Triangle

Length = n
Perimeter 85763175
Area 3.5388310367584E+14
Altitude 24757696.086403

Triangular Pyramid

Length = n
Surface area 3.5388310367584E+14
Volume 2.7534204840927E+21
Height 13476382.804131