28491130 (number)

28491130 is an even 8-digits composite number following 28491129 and preceding 28491131. In scientific notation, it is written as 2.8491130 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 11377872 positive integers (up to 28491130) that are relatively prime to 28491130.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand one hundred thirty

Notation

Scientific notation 2.8491130 × 10^7
Engineering notation 2.8491130 × 10^6

Prime Factorization of 28491130

Prime Factorization 2 × 5 × 727 × 3919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28491130
Product of the distinct prime numbers

The prime factorization of 28491130 is 2 × 5 × 727 × 3919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 23, 28, 812, 105, 6879, 9018, 18143, 16349, 373374, 916574, 3459862, 288751, 62694768, 13456888, 345659014, 985378800, 2256899090, 1564200948

Basic calculations (n = 28491130)

Multiplication

n×y
n×2 56982260
n×3 85473390
n×4 113964520
n×5 142455650

Division

n÷y
n÷2 14245565
n÷3 9497043.3333333
n÷3 7122782.5
n÷5 5698226

Exponentiation

ny
n2 811744488676900
n3 2.3127517753677E+22
n4 6.5892911489732E+29
n5 1.8773635073325E+37

Nth Root

y√n
2√n 5337.7083097524
3√n 305.42404512656
4√n 73.059621609699
5√n 30.970052022221

Divisors of 28491130

1, 2, 5, 10, 727, 1454, 3635, 3919, 7270, 7838, 19595, 39190, 2849113, 5698226, 14245565, 28491130

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 -28491129
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 28491130 can be divided by 16 positive divisors. The sum of these divisors (counting 28491130) is 1, the average is 0.0625.

Base conversion 28491130

Base System Value
2 Binary 1101100101011110101111010
3 Ternary 1222121111111001
4 Quaternary 1230223311322
5 Quinary 24243204010
6 Senary 2454355214
8 Octal 154536572
10 Decimal 28491130
12 Duodecimal 965bb0a
16 Hexadecimal 1b2bd7a
20 Vigesimal 8i17ga
36 Base36 gynwa

Cryptographic Hash Functions

md5 5ccb90243ff90ba4545b893053bbfeca
sha1 d1b49c5592baa649fa9193a0f9be49b8713c7fec
sha256 aa492853257272c485722201a930f935659312531aeb2e845a4786ddd6f74b30
sha512 d099ea4d33e49e474c0fea88cc6234c1497584ccb9f6af90c2e854a7275bbe60a94cc3ebb069dd752d62eb75d4f7c9db3b9d98b3078eb66cc232d5dbde138724
ripemd-160 46dfc28da8d220b8cbf688b2c3c0f610f5b6dbf1

28491130 as geometric shapes

Circle

Radius = n
Diameter 56982260
Circumference 179015049.40094
Area 2.5501705222194E+15

Sphere

Radius = n
Volume 9.6876319827626E+22
Surface area 1.0200682088877E+16
Circumference 179015049.40094

Square

Length = n
Perimeter 113964520
Area 811744488676900
Diagonal 40292542.453335

Cube

Length = n
Surface area 4870466932061400
Volume 2.3127517753677E+22
Space diagonal 49348084.72505

Equilateral Triangle

Length = n
Perimeter 85473390
Area 3.514956742881E+14
Altitude 24674042.362525

Triangular Pyramid

Length = n
Surface area 3.514956742881E+14
Volume 2.7256041059396E+21
Height 13430847.484445