28355887 (number)

28355887 is an odd 8-digits composite number following 28355886 and preceding 28355888. In scientific notation, it is written as 2.8355887 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 23712000 positive integers (up to 28355887) that are relatively prime to 28355887.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8355887 × 10^7
Engineering notation 2.8355887 × 10^6

Prime Factorization of 28355887

Prime Factorization 7 × 41 × 98801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28355887
Product of the distinct prime numbers

The prime factorization of 28355887 is 7 × 41 × 98801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 63, 23, 218, 86, 2542, 6903, 90738, 21466, 237560, 339715, 2420777, 4463446, 42060727, 25725602, 79771217, 144796624, 1010310297, 333588653

Basic calculations (n = 28355887)

Multiplication

n×y
n×2 56711774
n×3 85067661
n×4 113423548
n×5 141779435

Division

n÷y
n÷2 14177943.5
n÷3 9451962.3333333
n÷3 7088971.75
n÷5 5671177.4

Exponentiation

ny
n2 804056327556769
n3 2.2799730365835E+22
n4 6.4650657788408E+29
n5 1.8332267467238E+37

Nth Root

y√n
2√n 5325.0246008821
3√n 304.94001149325
4√n 72.972766158904
5√n 30.940594023859

Divisors of 28355887

1, 7, 41, 287, 98801, 691607, 4050841, 28355887

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 -28355886
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 28355887 can be divided by 8 positive divisors. The sum of these divisors (counting 28355887) is 1, the average is 0.125.

Base conversion 28355887

Base System Value
2 Binary 1101100001010110100101111
3 Ternary 1222100121222001
4 Quaternary 1230022310233
5 Quinary 24224342022
6 Senary 2451433131
8 Octal 154126457
10 Decimal 28355887
12 Duodecimal 95b57a7
16 Hexadecimal 1b0ad2f
20 Vigesimal 8h49e7
36 Base36 gvrjj

Cryptographic Hash Functions

md5 ef5d50cf4455593b4181a79cea04f578
sha1 2df19f2b0c644c813e39117b98581d98f2a425ee
sha256 74f51ac41d3bb287c34c6e56ec65a4db1c0de3bcda0b7cf3bfa4694e2d16829e
sha512 0d123c73448999493163f50ba4b5eb9181bc535ce4accafafee1132c0a244c95238954744c3558d3aa7c9058868eaf9bcd8af86eeffcd3d717000340e685c0c1
ripemd-160 70d70553e985430dc74c26e3f8550af0ab0391ab

28355887 as geometric shapes

Circle

Radius = n
Diameter 56711774
Circumference 178165292.57044
Area 2.5260174517247E+15

Sphere

Radius = n
Volume 9.5503287228179E+22
Surface area 1.0104069806899E+16
Circumference 178165292.57044

Square

Length = n
Perimeter 113423548
Area 804056327556769
Diagonal 40101279.968519

Cube

Length = n
Surface area 4824337965340614
Volume 2.2799730365835E+22
Space diagonal 49113836.977682

Equilateral Triangle

Length = n
Perimeter 85067661
Area 3.4816660286889E+14
Altitude 24556918.488841

Triangular Pyramid

Length = n
Surface area 3.4816660286889E+14
Volume 2.6869739918178E+21
Height 13367093.32284