28777789 (number)

28777789 is an odd 8-digits composite number following 28777788 and preceding 28777790. In scientific notation, it is written as 2.8777789 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 28762524 positive integers (up to 28777789) that are relatively prime to 28777789.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-seven thousand seven hundred eighty-nine

Notation

Scientific notation 2.8777789 × 10^7
Engineering notation 2.8777789 × 10^6

Prime Factorization of 28777789

Prime Factorization 2203 × 13063

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28777789
Product of the distinct prime numbers

The prime factorization of 28777789 is 2203 × 13063. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28777789)

Multiplication

n×y
n×2 57555578
n×3 86333367
n×4 115111156
n×5 143888945

Division

n÷y
n÷2 14388894.5
n÷3 9592596.3333333
n÷3 7194447.25
n÷5 5755557.8

Exponentiation

ny
n2 828161139728521
n3 2.3832646537107E+22
n4 6.8585087335644E+29
n5 1.9737271718917E+37

Nth Root

y√n
2√n 5364.493359116
3√n 306.44495408627
4√n 73.242701746427
5√n 31.032122772769

Divisors of 28777789

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28777788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28777789 can be divided by 4 positive divisors. The sum of these divisors (counting 28777789) is 1, the average is 0.25.

Base conversion 28777789

Base System Value
2 Binary 1101101110001110100111101
3 Ternary 2000011001201001
4 Quaternary 1231301310331
5 Quinary 24331342124
6 Senary 2504450301
8 Octal 155616475
10 Decimal 28777789
12 Duodecimal 9779991
16 Hexadecimal 1b71d3d
20 Vigesimal 8jh499
36 Base36 h4t31

Cryptographic Hash Functions

md5 6545a3876f59989ccde94fa4b38ecca8
sha1 c798c9069874783a1e69419cc449497f83b48525
sha256 bfc747a1239c8660ae36be6564834f101f55170722b2fbca83f6d16a4d7dda8d
sha512 78a9d4656dc23ddbd899812fd066d16bd0aa24063635f8aec5e2e8c78868eae579e6647c287413f28140304b1cd0b9d3b5e27b003f40944edc9242676526df60
ripemd-160 dbc6aa3317dfe9a2292a596b9f7b1d8418ee001d

28777789 as geometric shapes

Circle

Radius = n
Diameter 57555578
Circumference 180816181.01791
Area 2.6017449525597E+15

Sphere

Radius = n
Volume 9.982995636877E+22
Surface area 1.0406979810239E+16
Circumference 180816181.01791

Square

Length = n
Perimeter 115111156
Area 828161139728521
Diagonal 40697939.498911

Cube

Length = n
Surface area 4968966838371126
Volume 2.3832646537107E+22
Space diagonal 49844592.677497

Equilateral Triangle

Length = n
Perimeter 86333367
Area 3.5860429271599E+14
Altitude 24922296.338748

Triangular Pyramid

Length = n
Surface area 3.5860429271599E+14
Volume 2.8087043300017E+21
Height 13565979.83297