28355587 (number)

28355587 is an odd 8-digits composite number following 28355586 and preceding 28355588. In scientific notation, it is written as 2.8355587 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 25932960 positive integers (up to 28355587) that are relatively prime to 28355587.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8355587 × 10^7
Engineering notation 2.8355587 × 10^6

Prime Factorization of 28355587

Prime Factorization 13 × 109 × 20011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28355587
Product of the distinct prime numbers

The prime factorization of 28355587 is 13 × 109 × 20011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 82, 75, 23, 906, 1052, 3010, 3479, 95630, 607599, 371913, 7007666, 1183217, 63345163, 47955850, 12647805, 154636462, 4239468715, 5984936028

Basic calculations (n = 28355587)

Multiplication

n×y
n×2 56711174
n×3 85066761
n×4 113422348
n×5 141777935

Division

n÷y
n÷2 14177793.5
n÷3 9451862.3333333
n÷3 7088896.75
n÷5 5671117.4

Exponentiation

ny
n2 804039314114569
n3 2.2799006722796E+22
n4 6.4647921864183E+29
n5 1.833129772789E+37

Nth Root

y√n
2√n 5324.9964319237
3√n 304.93893608662
4√n 72.972573148572
5√n 30.940528554438

Divisors of 28355587

1, 13, 109, 1417, 20011, 260143, 2181199, 28355587

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 -28355586
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 28355587 can be divided by 8 positive divisors. The sum of these divisors (counting 28355587) is 1, the average is 0.125.

Base conversion 28355587

Base System Value
2 Binary 1101100001010110000000011
3 Ternary 1222100121112221
4 Quaternary 1230022300003
5 Quinary 24224334322
6 Senary 2451431511
8 Octal 154126003
10 Decimal 28355587
12 Duodecimal 95b5597
16 Hexadecimal 1b0ac03
20 Vigesimal 8h48j7
36 Base36 gvrb7

Cryptographic Hash Functions

md5 770057454906359407f21999e34b1bfb
sha1 4344c7529845a77b682fb22323b8c0b0c9ae5664
sha256 1bd753c75832604712aec2996d5315226ef5fc502f65a7a7195c0b1b1b8f2ecf
sha512 51e3d0f65ec0852831387a4848e921719e789cd0a11ab3f623e4802c26f1c51a42151e1defb4b30417a0f738fd19984da85a9cb5680327ede301f62ffe7961f5
ripemd-160 1f93fc5fda0651daa499a94f103571864ef35fa4

28355587 as geometric shapes

Circle

Radius = n
Diameter 56711174
Circumference 178163407.61485
Area 2.5259640024197E+15

Sphere

Radius = n
Volume 9.5500256039307E+22
Surface area 1.0103856009679E+16
Circumference 178163407.61485

Square

Length = n
Perimeter 113422348
Area 804039314114569
Diagonal 40100855.70445

Cube

Length = n
Surface area 4824235884687414
Volume 2.2799006722796E+22
Space diagonal 49113317.36244

Equilateral Triangle

Length = n
Perimeter 85066761
Area 3.4815923583232E+14
Altitude 24556658.68122

Triangular Pyramid

Length = n
Surface area 3.4815923583232E+14
Volume 2.6868887096678E+21
Height 13366951.901483