28013487 (number)

28013487 is an odd 8-digits composite number following 28013486 and preceding 28013488. In scientific notation, it is written as 2.8013487 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 18643968 positive integers (up to 28013487) that are relatively prime to 28013487.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand four hundred eighty-seven

Notation

Scientific notation 2.8013487 × 10^7
Engineering notation 2.8013487 × 10^6

Prime Factorization of 28013487

Prime Factorization 3 × 613 × 15233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28013487
Product of the distinct prime numbers

The prime factorization of 28013487 is 3 × 613 × 15233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013487)

Multiplication

n×y
n×2 56026974
n×3 84040461
n×4 112053948
n×5 140067435

Division

n÷y
n÷2 14006743.5
n÷3 9337829
n÷3 7003371.75
n÷5 5602697.4

Exponentiation

ny
n2 784755453899169
n3 2.1983736705983E+22
n4 6.1584112242449E+29
n5 1.7251857277104E+37

Nth Root

y√n
2√n 5292.776870415
3√n 303.70764468946
4√n 72.751473321267
5√n 30.865508360068

Divisors of 28013487

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 -28013486
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 28013487 can be divided by 8 positive divisors. The sum of these divisors (counting 28013487) is 1, the average is 0.125.

Base conversion 28013487

Base System Value
2 Binary 1101010110111001110101111
3 Ternary 1221201020021120
4 Quaternary 1222313032233
5 Quinary 24132412422
6 Senary 2440232023
8 Octal 152671657
10 Decimal 28013487
12 Duodecimal 946b613
16 Hexadecimal 1ab73af
20 Vigesimal 8f1de7
36 Base36 gofcf

Cryptographic Hash Functions

md5 4a90c89469dafc8335f5c7b6bfb36d40
sha1 0caa1cca3fa696ff7f8c837719c3b23e897e8388
sha256 f079653c63fd64f27ab2318f0c579703829a6089f06d1e07f787a487d09ecbfa
sha512 566ad7f3a036e648c9de88a11bff8c9221939e232d23cebe1f20a137edd5ee5d33f896591acfff40f68b0d2eaff2020f0f6c8b56dea14b6552cf866e82f7031c
ripemd-160 eff80ff0861d7bfa23972b7647b6631e7b1ff0e5

28013487 as geometric shapes

Circle

Radius = n
Diameter 56026974
Circumference 176013929.92127
Area 2.4653819688342E+15

Sphere

Radius = n
Volume 9.2085260978627E+22
Surface area 9.8615278753366E+15
Circumference 176013929.92127

Square

Length = n
Perimeter 112053948
Area 784755453899169
Diagonal 39617053.244762

Cube

Length = n
Surface area 4708532723395014
Volume 2.1983736705983E+22
Space diagonal 48520782.78117

Equilateral Triangle

Length = n
Perimeter 84040461
Area 3.3980907941753E+14
Altitude 24260391.390585

Triangular Pyramid

Length = n
Surface area 3.3980907941753E+14
Volume 2.5908082167701E+21
Height 13205684.414921