28777791 (number)

28777791 is an odd 8-digits composite number following 28777790 and preceding 28777792. In scientific notation, it is written as 2.8777791 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 16212000 positive integers (up to 28777791) that are relatively prime to 28777791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8777791 × 10^7
Engineering notation 2.8777791 × 10^6

Prime Factorization of 28777791

Prime Factorization 7 × 3 × 71 × 19301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28777791
Product of the distinct prime numbers

The prime factorization of 28777791 is 7 × 3 × 71 × 19301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 63, 4, 754, 11, 5466, 6416, 92608, 41910, 558737, 198972, 7874155, 1227213, 56780753, 98230870, 570622756, 636289018, 6036104212, 2304800436

Basic calculations (n = 28777791)

Multiplication

n×y
n×2 57555582
n×3 86333373
n×4 115111164
n×5 143888955

Division

n÷y
n÷2 14388895.5
n÷3 9592597
n÷3 7194447.75
n÷5 5755558.2

Exponentiation

ny
n2 828161254839681
n3 2.3832651506074E+22
n4 6.8585106401764E+29
n5 1.9737278577427E+37

Nth Root

y√n
2√n 5364.4935455269
3√n 306.44496118538
4√n 73.242703018983
5√n 31.032123204103

Divisors of 28777791

1, 3, 7, 21, 71, 213, 497, 1491, 19301, 57903, 135107, 405321, 1370371, 4111113, 9592597, 28777791

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 -28777790
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 28777791 can be divided by 16 positive divisors. The sum of these divisors (counting 28777791) is 1, the average is 0.0625.

Base conversion 28777791

Base System Value
2 Binary 1101101110001110100111111
3 Ternary 2000011001201010
4 Quaternary 1231301310333
5 Quinary 24331342131
6 Senary 2504450303
8 Octal 155616477
10 Decimal 28777791
12 Duodecimal 9779993
16 Hexadecimal 1b71d3f
20 Vigesimal 8jh49b
36 Base36 h4t33

Cryptographic Hash Functions

md5 0079bc64a68c45194c371782e3ed63ea
sha1 fcca8fc4f9e59d4c9c2a9a3ea5fef642cd6b2eca
sha256 49675a56c7dcbb840adaec7f1b651a6a90461304b688a875004e639c7da66603
sha512 82fae235ee40a0973b4af1b1b4d6312c45164e45c68ecbfcd24a60c7763181f1c71c9f21d5672ab512e56ffb525b55029c0642c1a613f35cedc5facca722b9d3
ripemd-160 403e16254177288545ac68e216def0ddc188a47d

28777791 as geometric shapes

Circle

Radius = n
Diameter 57555582
Circumference 180816193.58428
Area 2.601745314192E+15

Sphere

Radius = n
Volume 9.9829977182731E+22
Surface area 1.0406981256768E+16
Circumference 180816193.58428

Square

Length = n
Perimeter 115111164
Area 828161254839681
Diagonal 40697942.327338

Cube

Length = n
Surface area 4968967529038086
Volume 2.3832651506074E+22
Space diagonal 49844596.141598

Equilateral Triangle

Length = n
Perimeter 86333373
Area 3.5860434256058E+14
Altitude 24922298.070799

Triangular Pyramid

Length = n
Surface area 3.5860434256058E+14
Volume 2.8087049156001E+21
Height 13565980.775779