28487730 (number)

28487730 is an even 8-digits composite number following 28487729 and preceding 28487731. In scientific notation, it is written as 2.8487730 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 7482816 positive integers (up to 28487730) that are relatively prime to 28487730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8487730 × 10^7
Engineering notation 2.8487730 × 10^6

Prime Factorization of 28487730

Prime Factorization 2 × 5 × 3 × 67 × 14173

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28487730
Product of the distinct prime numbers

The prime factorization of 28487730 is 2 × 5 × 3 × 67 × 14173. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 83, 20, 882, 890, 9594, 3586, 24240, 81234, 676852, 593135, 4261669, 2469566, 24130312, 12565675, 440849609, 736241394, 6384478856, 1358268684

Basic calculations (n = 28487730)

Multiplication

n×y
n×2 56975460
n×3 85463190
n×4 113950920
n×5 142438650

Division

n÷y
n÷2 14243865
n÷3 9495910
n÷3 7121932.5
n÷5 5697546

Exponentiation

ny
n2 811550760552900
n3 2.3119238947926E+22
n4 6.5861463695399E+29
n5 1.8762435951593E+37

Nth Root

y√n
2√n 5337.389811509
3√n 305.41189534446
4√n 73.057441862612
5√n 30.969312822312

Divisors of 28487730

1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 14173, 28346, 42519, 70865, 85038, 141730, 212595, 425190, 949591, 1899182, 2848773, 4747955, 5697546, 9495910, 14243865, 28487730

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 -28487729
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 28487730 can be divided by 32 positive divisors. The sum of these divisors (counting 28487730) is 1, the average is 0.03125.

Base conversion 28487730

Base System Value
2 Binary 1101100101011000000110010
3 Ternary 1222121022211010
4 Quaternary 1230223000302
5 Quinary 24243101410
6 Senary 2454331350
8 Octal 154530062
10 Decimal 28487730
12 Duodecimal 9659b56
16 Hexadecimal 1b2b032
20 Vigesimal 8i0j6a
36 Base36 gyl9u

Cryptographic Hash Functions

md5 315672d7eb10f51ab75beb862d68443a
sha1 e44485f0ea627f1629074da398d993b9048d0ab8
sha256 f6d4ea97f9b2fedb8b71ff17ff594e35b5038d405e2d9f7999f4ceed0db024c0
sha512 36e758780e6bd084e0376d966ebe63b15e1be99805422092b1e573ab37e3e4edf7c834bde708b69380d493d3d87572ee4979e26440d1d2f76cf0f8bac0dc7707
ripemd-160 a91214de71add3a1642c06315014e174198194c2

28487730 as geometric shapes

Circle

Radius = n
Diameter 56975460
Circumference 178993686.5709
Area 2.5495619073682E+15

Sphere

Radius = n
Volume 9.6841641647187E+22
Surface area 1.0198247629473E+16
Circumference 178993686.5709

Square

Length = n
Perimeter 113950920
Area 811550760552900
Diagonal 40287734.127223

Cube

Length = n
Surface area 4869304563317400
Volume 2.3119238947926E+22
Space diagonal 49342195.752304

Equilateral Triangle

Length = n
Perimeter 85463190
Area 3.514117875497E+14
Altitude 24671097.876152

Triangular Pyramid

Length = n
Surface area 3.514117875497E+14
Volume 2.7246284393251E+21
Height 13429244.709074