28776989 (number)

28776989 is an odd 8-digits composite number following 28776988 and preceding 28776990. In scientific notation, it is written as 2.8776989 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 28758720 positive integers (up to 28776989) that are relatively prime to 28776989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8776989 × 10^7
Engineering notation 2.8776989 × 10^6

Prime Factorization of 28776989

Prime Factorization 1741 × 16529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28776989
Product of the distinct prime numbers

The prime factorization of 28776989 is 1741 × 16529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28776989)

Multiplication

n×y
n×2 57553978
n×3 86330967
n×4 115107956
n×5 143884945

Division

n÷y
n÷2 14388494.5
n÷3 9592329.6666667
n÷3 7194247.25
n÷5 5755397.8

Exponentiation

ny
n2 828115095906121
n3 2.3830659005624E+22
n4 6.857746120676E+29
n5 1.9734528467949E+37

Nth Root

y√n
2√n 5364.4187942404
3√n 306.4421144167
4√n 73.242192718681
5√n 31.031950237107

Divisors of 28776989

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 -28776988
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 28776989 can be divided by 4 positive divisors. The sum of these divisors (counting 28776989) is 1, the average is 0.25.

Base conversion 28776989

Base System Value
2 Binary 1101101110001101000011101
3 Ternary 2000011000121102
4 Quaternary 1231301220131
5 Quinary 24331330424
6 Senary 2504442445
8 Octal 155615035
10 Decimal 28776989
12 Duodecimal 9779425
16 Hexadecimal 1b71a1d
20 Vigesimal 8jh299
36 Base36 h4sgt

Cryptographic Hash Functions

md5 394d84d363ab8e3ba62d460b2e806ef4
sha1 f3c5e6deb73e343bde78078d8d7375900fd03852
sha256 668f5a3a1707037ebafa8387f8fe6eebc1b189a44ce9525fb00dfe7547b2c01a
sha512 1f1f8009a862eccbab01ccaa1e0595ef30dc29ea72bcdc0a0df51b9f1fcad87ec4dc49a4a4cdbad1d42ba6aa4b293948a8451e82ff813aee1763e9a67b3c0b1f
ripemd-160 ae76525aa0b778cd9e077ccd87c9ce8cf04860d8

28776989 as geometric shapes

Circle

Radius = n
Diameter 57553978
Circumference 180811154.46967
Area 2.6016003016255E+15

Sphere

Radius = n
Volume 9.9821631016364E+22
Surface area 1.0406401206502E+16
Circumference 180811154.46967

Square

Length = n
Perimeter 115107956
Area 828115095906121
Diagonal 40696808.128061

Cube

Length = n
Surface area 4968690575436726
Volume 2.3830659005624E+22
Space diagonal 49843207.036851

Equilateral Triangle

Length = n
Perimeter 86330967
Area 3.5858435515604E+14
Altitude 24921603.518425

Triangular Pyramid

Length = n
Surface area 3.5858435515604E+14
Volume 2.8084700971702E+21
Height 13565602.709354