28778840 (number)

28778840 is an even 8-digits composite number following 28778839 and preceding 28778841. In scientific notation, it is written as 2.8778840 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors. There are 11407872 positive integers (up to 28778840) that are relatively prime to 28778840.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-eight thousand eight hundred forty

Notation

Scientific notation 2.8778840 × 10^7
Engineering notation 2.8778840 × 10^6

Prime Factorization of 28778840

Prime Factorization 2 × 2 × 2 × 5 × 113 × 6367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7194710
Product of the distinct prime numbers

The prime factorization of 28778840 is 2 × 2 × 2 × 5 × 113 × 6367. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 7, 87, 50, 69, 55, 2035, 6377, 18308, 40012, 691954, 424885, 3370024, 5338932, 60445683, 47172660, 108357525, 974908677, 1278872259, 5308723755

Basic calculations (n = 28778840)

Multiplication

n×y
n×2 57557680
n×3 86336520
n×4 115115360
n×5 143894200

Division

n÷y
n÷2 14389420
n÷3 9592946.6666667
n÷3 7194710
n÷5 5755768

Exponentiation

ny
n2 828221631745600
n3 2.3835257824546E+22
n4 6.8595107129134E+29
n5 1.9740876128522E+37

Nth Root

y√n
2√n 5364.5913171462
3√n 306.44868462218
4√n 73.243370465498
5√n 31.032349435662

Divisors of 28778840

1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6367, 12734, 25468, 31835, 50936, 63670, 127340, 254680, 719471, 1438942, 2877884, 3597355, 5755768, 7194710, 14389420, 28778840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28778839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778840 can be divided by 32 positive divisors. The sum of these divisors (counting 28778840) is 1, the average is 0.03125.

Base conversion 28778840

Base System Value
2 Binary 1101101110010000101011000
3 Ternary 2000011010010222
4 Quaternary 1231302011120
5 Quinary 24331410330
6 Senary 2504455212
8 Octal 155620530
10 Decimal 28778840
12 Duodecimal 977a508
16 Hexadecimal 1b72158
20 Vigesimal 8jh720
36 Base36 h4tw8

Cryptographic Hash Functions

md5 5f511a817784f558f4e58448c046ac00
sha1 7bb5dfcfc769f1585fc286d334d13e7973dd4397
sha256 c01ba9fc5f370b450f10afee65278acc5a5a6ef5ddd5e80cb96746a6cbb9b192
sha512 a5dc5893533b5f67ec53ff14412c11b49f9c3d4b16b5664c1e84256e5206a303abe5311a0ee60d59b806535559743a804bca98b9a7461a8c82e02933dda2a4c5
ripemd-160 2d9d70276cae007fafa3d46fa041ae2a35302af4

28778840 as geometric shapes

Circle

Radius = n
Diameter 57557680
Circumference 180822784.64567
Area 2.6019349938361E+15

Sphere

Radius = n
Volume 9.9840894504015E+22
Surface area 1.0407739975345E+16
Circumference 180822784.64567

Square

Length = n
Perimeter 115115360
Area 828221631745600
Diagonal 40699425.837365

Cube

Length = n
Surface area 4969329790473600
Volume 2.3835257824546E+22
Space diagonal 49846413.062896

Equilateral Triangle

Length = n
Perimeter 86336520
Area 3.5863048652774E+14
Altitude 24923206.531448

Triangular Pyramid

Length = n
Surface area 3.5863048652774E+14
Volume 2.8090120731776E+21
Height 13566475.279122