28487946 (number)

28487946 is an even 8-digits composite number following 28487945 and preceding 28487947. In scientific notation, it is written as 2.8487946 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 9094320 positive integers (up to 28487946) that are relatively prime to 28487946.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-seven thousand nine hundred forty-six

Notation

Scientific notation 2.8487946 × 10^7
Engineering notation 2.8487946 × 10^6

Prime Factorization of 28487946

Prime Factorization 2 × 309 × 31 × 1487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28487946
Product of the distinct prime numbers

The prime factorization of 28487946 is 2 × 309 × 31 × 1487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 48, 91, 345, 94, 6005, 4920, 2967, 73591, 332132, 969142, 7195009, 3659485, 36897485, 17134540, 248547240, 525047550, 2873737542, 4674338048

Basic calculations (n = 28487946)

Multiplication

n×y
n×2 56975892
n×3 85463838
n×4 113951784
n×5 142439730

Division

n÷y
n÷2 14243973
n÷3 9495982
n÷3 7121986.5
n÷5 5697589.2

Exponentiation

ny
n2 811563067298916
n3 2.3119764836806E+22
n4 6.5863461220362E+29
n5 1.8763147266188E+37

Nth Root

y√n
2√n 5337.4100460804
3√n 305.41266724172
4√n 73.057580346466
5√n 30.969359785347

Divisors of 28487946

1, 2, 31, 62, 309, 618, 1487, 2974, 9579, 19158, 46097, 92194, 459483, 918966, 14243973, 28487946

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28487945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28487946 can be divided by 16 positive divisors. The sum of these divisors (counting 28487946) is 1, the average is 0.0625.

Base conversion 28487946

Base System Value
2 Binary 1101100101011000100001010
3 Ternary 1222121100010010
4 Quaternary 1230223010022
5 Quinary 24243103241
6 Senary 2454332350
8 Octal 154530412
10 Decimal 28487946
12 Duodecimal 965a0b6
16 Hexadecimal 1b2b10a
20 Vigesimal 8i0jh6
36 Base36 gylfu

Cryptographic Hash Functions

md5 4f87642c28906c60a7631c76139fb2d4
sha1 cf97c1870da8b0de0423b3f8796f94b8fdad19d2
sha256 e4ee4f138bf1778435cbb54a7db8e69a81bbe82a06ab88abeab9c36747f12e5b
sha512 e49e3fcb4f47bad631919783fd2eb53e9d4e2845c2f98e2afce3f07fbb89cf7ff730a15058e38490cc7b8e4a0290baea56364628650798f2de83e3327a463863
ripemd-160 6911981f6a556658b0af86d8af43480cf812eb3f

28487946 as geometric shapes

Circle

Radius = n
Diameter 56975892
Circumference 178995043.73893
Area 2.5496005701511E+15

Sphere

Radius = n
Volume 9.6843844485377E+22
Surface area 1.0198402280604E+16
Circumference 178995043.73893

Square

Length = n
Perimeter 113951784
Area 811563067298916
Diagonal 40288039.597352

Cube

Length = n
Surface area 4869378403793496
Volume 2.3119764836806E+22
Space diagonal 49342569.875279

Equilateral Triangle

Length = n
Perimeter 85463838
Area 3.5141711652704E+14
Altitude 24671284.937639

Triangular Pyramid

Length = n
Surface area 3.5141711652704E+14
Volume 2.724690415924E+21
Height 13429346.532451