28385890 (number)

28385890 is an even 8-digits composite number following 28385889 and preceding 28385891. In scientific notation, it is written as 2.8385890 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors. There are 10321344 positive integers (up to 28385890) that are relatively prime to 28385890.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 2.8385890 × 10^7
Engineering notation 2.8385890 × 10^6

Prime Factorization of 28385890

Prime Factorization 2 × 5 × 13 × 67 × 3259

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28385890
Product of the distinct prime numbers

The prime factorization of 28385890 is 2 × 5 × 13 × 67 × 3259. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 80, 47, 66, 151, 5768, 875, 98855, 46542, 104683, 128307, 9137061, 2395349, 69272033, 40666185, 735434098, 268480628, 1245431808, 5733069732

Basic calculations (n = 28385890)

Multiplication

n×y
n×2 56771780
n×3 85157670
n×4 113543560
n×5 141929450

Division

n÷y
n÷2 14192945
n÷3 9461963.3333333
n÷3 7096472.5
n÷5 5677178

Exponentiation

ny
n2 805758751092100
n3 2.2872179275038E+22
n4 6.492471649615E+29
n5 1.8429458607409E+37

Nth Root

y√n
2√n 5327.8410261568
3√n 305.04752461985
4√n 72.992061391338
5√n 30.947138823521

Divisors of 28385890

1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3259, 4355, 6518, 8710, 16295, 32590, 42367, 84734, 211835, 218353, 423670, 436706, 1091765, 2183530, 2838589, 5677178, 14192945, 28385890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28385889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28385890 can be divided by 32 positive divisors. The sum of these divisors (counting 28385890) is 1, the average is 0.03125.

Base conversion 28385890

Base System Value
2 Binary 1101100010010001001100010
3 Ternary 1222102011010021
4 Quaternary 1230102021202
5 Quinary 24231322030
6 Senary 2452224054
8 Octal 154221142
10 Decimal 28385890
12 Duodecimal 960b02a
16 Hexadecimal 1b12262
20 Vigesimal 8h84ea
36 Base36 gweoy

Cryptographic Hash Functions

md5 834fed86a5ec280e3b114cd35bea0544
sha1 bbedc969cc9872c489e7ef93cd03d21b50847a22
sha256 bfd310b5b2700a114f194321546fe58c43098fb60e65cda7564ef3cdf09fabba
sha512 70710214e5b5f2276a72c61bda4de0eaa28563c971edc092d98dced8ce4c9b0fc08a957db4ac6b52cad4df4a2426e7d6d98243b75c0a22f9bc968c47669ede23
ripemd-160 0020f21625121d4e5985bbe65d389eda112096c3

28385890 as geometric shapes

Circle

Radius = n
Diameter 56771780
Circumference 178353806.97922
Area 2.5313657729966E+15

Sphere

Radius = n
Volume 9.5806760509396E+22
Surface area 1.0125463091987E+16
Circumference 178353806.97922

Square

Length = n
Perimeter 113543560
Area 805758751092100
Diagonal 40143710.618031

Cube

Length = n
Surface area 4834552506552600
Volume 2.2872179275038E+22
Space diagonal 49165803.698061

Equilateral Triangle

Length = n
Perimeter 85157670
Area 3.4890377388369E+14
Altitude 24582901.849031

Triangular Pyramid

Length = n
Surface area 3.4890377388369E+14
Volume 2.6955121776489E+21
Height 13381236.872677