28291280 (number)

28291280 is an even 8-digits composite number following 28291279 and preceding 28291281. In scientific notation, it is written as 2.8291280 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 11316480 positive integers (up to 28291280) that are relatively prime to 28291280.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred eighty

Notation

Scientific notation 2.8291280 × 10^7
Engineering notation 2.8291280 × 10^6

Prime Factorization of 28291280

Prime Factorization 2 × 2 × 2 × 2 × 5 × 353641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3536410
Product of the distinct prime numbers

The prime factorization of 28291280 is 2 × 2 × 2 × 2 × 5 × 353641. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 71, 4, 974, 345, 1355, 373, 39023, 91161, 579113, 633305, 3389615, 3965370, 78909666, 46839353, 61426774, 931646506, 2074234449, 2347390175

Basic calculations (n = 28291280)

Multiplication

n×y
n×2 56582560
n×3 84873840
n×4 113165120
n×5 141456400

Division

n÷y
n÷2 14145640
n÷3 9430426.6666667
n÷3 7072820
n÷5 5658256

Exponentiation

ny
n2 800396524038400
n3 2.2644242172597E+22
n4 6.4063459569275E+29
n5 1.812437272443E+37

Nth Root

y√n
2√n 5318.9547845418
3√n 304.70824020991
4√n 72.931164700297
5√n 30.926481940052

Divisors of 28291280

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353641, 707282, 1414564, 1768205, 2829128, 3536410, 5658256, 7072820, 14145640, 28291280

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291280 can be divided by 20 positive divisors. The sum of these divisors (counting 28291280) is 1, the average is 0.05.

Base conversion 28291280

Base System Value
2 Binary 1101011111011000011010000
3 Ternary 1222020100100012
4 Quaternary 1223323003100
5 Quinary 24220310110
6 Senary 2450214052
8 Octal 153730320
10 Decimal 28291280
12 Duodecimal 9584328
16 Hexadecimal 1afb0d0
20 Vigesimal 8gg840
36 Base36 gudow

Cryptographic Hash Functions

md5 0db7de2805bf9cbd727e94d515710a62
sha1 29b23affef62bd0ea7bf6726c7385513c13088ea
sha256 9774a7d8f8bf541fee9d2f994a0a1fe91888b18007a3f07f59668e9b3f534447
sha512 894b5f72604dc0f64ae3e3d673846c2232ef6d74efd520c841f032fee8bcfb2a277b6f8d382a5eccc1bbae5dd4a196aeac60e4b8939d2dacb9a779ad614abef9
ripemd-160 127e9a3ded9692aac675a96a6da94c7b92a188ee

28291280 as geometric shapes

Circle

Radius = n
Diameter 56582560
Circumference 177759354.8173
Area 2.5145198398778E+15

Sphere

Radius = n
Volume 9.4851979807386E+22
Surface area 1.0058079359511E+16
Circumference 177759354.8173

Square

Length = n
Perimeter 113165120
Area 800396524038400
Diagonal 40009911.872895

Cube

Length = n
Surface area 4802379144230400
Volume 2.2644242172597E+22
Space diagonal 49001934.371157

Equilateral Triangle

Length = n
Perimeter 84873840
Area 3.4658186145901E+14
Altitude 24500967.185579

Triangular Pyramid

Length = n
Surface area 3.4658186145901E+14
Volume 2.6686495325123E+21
Height 13336637.290965