28261520 (number)

28261520 is an even 8-digits composite number following 28261519 and preceding 28261521. In scientific notation, it is written as 2.8261520 × 10^7. The sum of its digits is 26. It has a total of 8 prime factors and 80 positive divisors. There are 9580032 positive integers (up to 28261520) that are relatively prime to 28261520.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand five hundred twenty

Notation

Scientific notation 2.8261520 × 10^7
Engineering notation 2.8261520 × 10^6

Prime Factorization of 28261520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 109 × 463

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3532690
Product of the distinct prime numbers

The prime factorization of 28261520 is 2 × 2 × 2 × 2 × 5 × 7 × 109 × 463. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 1, 18, 63, 16, 422, 9330, 8628, 65574, 61688, 411600, 860978, 5630082, 6707706, 37805984, 36090286, 902331734, 210679502, 8371033719, 8704973477

Basic calculations (n = 28261520)

Multiplication

n×y
n×2 56523040
n×3 84784560
n×4 113046080
n×5 141307600

Division

n÷y
n÷2 14130760
n÷3 9420506.6666667
n÷3 7065380
n÷5 5652304

Exponentiation

ny
n2 798713512710400
n3 2.2572857913735E+22
n4 6.3794327538619E+29
n5 1.8029246636192E+37

Nth Root

y√n
2√n 5316.1565063493
3√n 304.60136041379
4√n 72.911977797542
5√n 30.919972799369

Divisors of 28261520

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 463, 545, 560, 763, 872, 926, 1090, 1526, 1744, 1852, 2180, 2315, 3052, 3241, 3704, 3815, 4360, 4630, 6104, 6482, 7408, 7630, 8720, 9260, 12208, 12964, 15260, 16205, 18520, 25928, 30520, 32410, 37040, 50467, 51856, 61040, 64820, 100934, 129640, 201868, 252335, 259280, 353269, 403736, 504670, 706538, 807472, 1009340, 1413076, 1766345, 2018680, 2826152, 3532690, 4037360, 5652304, 7065380, 14130760, 28261520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28261519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28261520 can be divided by 80 positive divisors. The sum of these divisors (counting 28261520) is 1, the average is 0.0125.

Base conversion 28261520

Base System Value
2 Binary 1101011110011110010010000
3 Ternary 1222011211111222
4 Quaternary 1223303302100
5 Quinary 24213332040
6 Senary 2445424212
8 Octal 153636220
10 Decimal 28261520
12 Duodecimal 956b068
16 Hexadecimal 1af3c90
20 Vigesimal 8gcdg0
36 Base36 gtqq8

Cryptographic Hash Functions

md5 4045b5d3440b19a89df742cbb7755c45
sha1 51bd5551a65a74210495ef77fbe4f32d429ff474
sha256 f06c5cde846833e7faf445eb76552fe24cb3555ba80bb7b2d47bf35b7adb9e50
sha512 7bad820dca6913b211ef86f6ee97eb44a73f7348c3d60ba55f3cd00fb4290b4a1704ef5a85ba5c8cc100fad691fdbff437e3f9be602540167648a2070d39b02e
ripemd-160 b1e4e2b423ae889bfb6e1e2123075b2ba49e0d56

28261520 as geometric shapes

Circle

Radius = n
Diameter 56523040
Circumference 177572367.22256
Area 2.5092325038539E+15

Sphere

Radius = n
Volume 9.4552966123089E+22
Surface area 1.0036930015416E+16
Circumference 177572367.22256

Square

Length = n
Perimeter 113046080
Area 798713512710400
Diagonal 39967824.877278

Cube

Length = n
Surface area 4792281076262400
Volume 2.2572857913735E+22
Space diagonal 48950388.539124

Equilateral Triangle

Length = n
Perimeter 84784560
Area 3.4585309617656E+14
Altitude 24475194.269562

Triangular Pyramid

Length = n
Surface area 3.4585309617656E+14
Volume 2.6602368169271E+21
Height 13322608.292426