28168439 (number)

28168439 is an odd 8-digits composite number following 28168438 and preceding 28168440. In scientific notation, it is written as 2.8168439 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 24310272 positive integers (up to 28168439) that are relatively prime to 28168439.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-eight thousand four hundred thirty-nine

Notation

Scientific notation 2.8168439 × 10^7
Engineering notation 2.8168439 × 10^6

Prime Factorization of 28168439

Prime Factorization 13 × 17 × 197 × 647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28168439
Product of the distinct prime numbers

The prime factorization of 28168439 is 13 × 17 × 197 × 647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 27, 38, 238, 549, 6187, 5272, 72740, 69085, 592958, 560860, 121449, 7152518, 75146763, 64000557, 775003153, 599617892, 9373508398, 411400525

Basic calculations (n = 28168439)

Multiplication

n×y
n×2 56336878
n×3 84505317
n×4 112673756
n×5 140842195

Division

n÷y
n÷2 14084219.5
n÷3 9389479.6666667
n÷3 7042109.75
n÷5 5633687.8

Exponentiation

ny
n2 793460955696721
n3 2.2350556529425E+22
n4 6.2958028821515E+29
n5 1.7734293944191E+37

Nth Root

y√n
2√n 5307.3947469545
3√n 304.26658503369
4√n 72.85186852068
5√n 30.899578559246

Divisors of 28168439

1, 13, 17, 197, 221, 647, 2561, 3349, 8411, 10999, 43537, 127459, 142987, 1656967, 2166803, 28168439

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 -28168438
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 28168439 can be divided by 16 positive divisors. The sum of these divisors (counting 28168439) is 1, the average is 0.0625.

Base conversion 28168439

Base System Value
2 Binary 1101011011101000011110111
3 Ternary 1222000002211112
4 Quaternary 1223131003313
5 Quinary 24202342224
6 Senary 2443425235
8 Octal 153350367
10 Decimal 28168439
12 Duodecimal 952521b
16 Hexadecimal 1add0f7
20 Vigesimal 8g111j
36 Base36 grqwn

Cryptographic Hash Functions

md5 b20c0ff8cbc7429507caee69b039bad1
sha1 8d3ac6e3b0f1c655d7abdf41a40771bbbf1b8b5b
sha256 96093ce10768e05eb1168459d3edd5611092a8cf367b5b2fdfa78a7c5b114ab1
sha512 204567c8a79e24a352de9f72a8a39d90f305bf854040ef6ef6f6050404e6b166a5cd7ea450b2500041e3bee313999f77dfe502a5b2d9228ed941a5a676eb5f36
ripemd-160 d9b2522602b18da9d2c8563d7163dc8a99a6a33c

28168439 as geometric shapes

Circle

Radius = n
Diameter 56336878
Circumference 176987522.05098
Area 2.4927311093272E+15

Sphere

Radius = n
Volume 9.3621792261979E+22
Surface area 9.9709244373086E+15
Circumference 176987522.05098

Square

Length = n
Perimeter 112673756
Area 793460955696721
Diagonal 39836188.464679

Cube

Length = n
Surface area 4760765734180326
Volume 2.2350556529425E+22
Space diagonal 48789167.517905

Equilateral Triangle

Length = n
Perimeter 84505317
Area 3.4357867227222E+14
Altitude 24394583.758952

Triangular Pyramid

Length = n
Surface area 3.4357867227222E+14
Volume 2.6340383475416E+21
Height 13278729.488226