28004787 (number)

28004787 is an odd 8-digits composite number following 28004786 and preceding 28004788. In scientific notation, it is written as 2.8004787 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 18526560 positive integers (up to 28004787) that are relatively prime to 28004787.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8004787 × 10^7
Engineering notation 2.8004787 × 10^6

Prime Factorization of 28004787

Prime Factorization 9 × 131 × 23753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28004787
Product of the distinct prime numbers

The prime factorization of 28004787 is 9 × 131 × 23753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28004787)

Multiplication

n×y
n×2 56009574
n×3 84014361
n×4 112019148
n×5 140023935

Division

n÷y
n÷2 14002393.5
n÷3 9334929
n÷3 7001196.75
n÷5 5600957.4

Exponentiation

ny
n2 784268094915369
n3 2.1963260949001E+22
n4 6.1507644470218E+29
n5 1.7225084822602E+37

Nth Root

y√n
2√n 5291.9549317809
3√n 303.67620114364
4√n 72.745824153561
5√n 30.863590974437

Divisors of 28004787

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 -28004786
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 28004787 can be divided by 8 positive divisors. The sum of these divisors (counting 28004787) is 1, the average is 0.125.

Base conversion 28004787

Base System Value
2 Binary 1101010110101000110110011
3 Ternary 1221200210100100
4 Quaternary 1222311012303
5 Quinary 24132123122
6 Senary 2440123443
8 Octal 152650663
10 Decimal 28004787
12 Duodecimal 9466583
16 Hexadecimal 1ab51b3
20 Vigesimal 8f0bj7
36 Base36 go8mr

Cryptographic Hash Functions

md5 f3a6ac08a12da4cec2159c43ad552607
sha1 394db90c6f73a17f3116bcae7aaa4ce4fb0ea977
sha256 9c972bb4d2784588b74e0220c7abcab3512dc06fd81a7821d9c8deafb02536e9
sha512 a8129103c15d998ab289a0181d6f97333cb7a5f2534cf26d05de12bcacfa9f751f6b8cb715f1dd8a4415b55c6efa8511cc5b64ee888783080b83db88d5c31877
ripemd-160 efd5bf9c609eaf9f0e79df56ff96cbaf219224e2

28004787 as geometric shapes

Circle

Radius = n
Diameter 56009574
Circumference 175959266.20909
Area 2.463850885431E+15

Sphere

Radius = n
Volume 9.1999492328342E+22
Surface area 9.8554035417239E+15
Circumference 175959266.20909

Square

Length = n
Perimeter 112019148
Area 784268094915369
Diagonal 39604749.58677

Cube

Length = n
Surface area 4705608569492214
Volume 2.1963260949001E+22
Space diagonal 48505713.939144

Equilateral Triangle

Length = n
Perimeter 84014361
Area 3.3959804678717E+14
Altitude 24252856.969572

Triangular Pyramid

Length = n
Surface area 3.3959804678717E+14
Volume 2.588395125668E+21
Height 13201583.19559