28291278 (number)

28291278 is an even 8-digits composite number following 28291277 and preceding 28291279. In scientific notation, it is written as 2.8291278 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9399096 positive integers (up to 28291278) that are relatively prime to 28291278.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291278 × 10^7
Engineering notation 2.8291278 × 10^6

Prime Factorization of 28291278

Prime Factorization 2 × 3 × 307 × 15359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28291278
Product of the distinct prime numbers

The prime factorization of 28291278 is 2 × 3 × 307 × 15359. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 54, 56, 885, 164, 5358, 6954, 18557, 82486, 39487, 507190, 4009420, 4822800, 72310541, 37499399, 683403473, 1787193, 3930717240, 3785054045

Basic calculations (n = 28291278)

Multiplication

n×y
n×2 56582556
n×3 84873834
n×4 113165112
n×5 141456390

Division

n÷y
n÷2 14145639
n÷3 9430426
n÷3 7072819.5
n÷5 5658255.6

Exponentiation

ny
n2 800396410873284
n3 2.2644237370218E+22
n4 6.4063441453883E+29
n5 1.8124366318085E+37

Nth Root

y√n
2√n 5318.9545965349
3√n 304.70823302965
4√n 72.931163411363
5√n 30.926481502794

Divisors of 28291278

1, 2, 3, 6, 307, 614, 921, 1842, 15359, 30718, 46077, 92154, 4715213, 9430426, 14145639, 28291278

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 -28291277
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 28291278 can be divided by 16 positive divisors. The sum of these divisors (counting 28291278) is 1, the average is 0.0625.

Base conversion 28291278

Base System Value
2 Binary 1101011111011000011001110
3 Ternary 1222020100100010
4 Quaternary 1223323003032
5 Quinary 24220310103
6 Senary 2450214050
8 Octal 153730316
10 Decimal 28291278
12 Duodecimal 9584326
16 Hexadecimal 1afb0ce
20 Vigesimal 8gg83i
36 Base36 gudou

Cryptographic Hash Functions

md5 7eca53bd3f463f7d394a49e1b7af5a23
sha1 3be562349e44a404d0bc18811a283f929f25f469
sha256 aa53e9933deae013c0a08247a5142e54731ff93a10f264822698159c97e9c17e
sha512 76fac7e5acae59f8e046fbfe3f893c653b5824abdca8843e748007096c3e39abcf47ab94488bfbb9ce0e69703b7e98689c623d69225baa871630a336cbb2bb7c
ripemd-160 5a3e2808a27172cc86d7af0f691134b3f9bc32e5

28291278 as geometric shapes

Circle

Radius = n
Diameter 56582556
Circumference 177759342.25093
Area 2.5145194843591E+15

Sphere

Radius = n
Volume 9.4851959691228E+22
Surface area 1.0058077937437E+16
Circumference 177759342.25093

Square

Length = n
Perimeter 113165112
Area 800396410873284
Diagonal 40009909.044468

Cube

Length = n
Surface area 4802378465239704
Volume 2.2644237370218E+22
Space diagonal 49001930.907056

Equilateral Triangle

Length = n
Perimeter 84873834
Area 3.4658181245708E+14
Altitude 24500965.453528

Triangular Pyramid

Length = n
Surface area 3.4658181245708E+14
Volume 2.6686489665465E+21
Height 13336636.348156