28779989 (number)

28779989 is an odd 8-digits composite number following 28779988 and preceding 28779990. In scientific notation, it is written as 2.8779989 × 10^7. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 24668556 positive integers (up to 28779989) that are relatively prime to 28779989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8779989 × 10^7
Engineering notation 2.8779989 × 10^6

Prime Factorization of 28779989

Prime Factorization 7 × 4111427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28779989
Product of the distinct prime numbers

The prime factorization of 28779989 is 7 × 4111427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 27, 29, 835, 483, 5348, 2720, 13026, 30302, 873866, 13017, 8789741, 3711365, 80683546, 28287240, 181628777, 317757558, 6125390857, 3348372113

Basic calculations (n = 28779989)

Multiplication

n×y
n×2 57559978
n×3 86339967
n×4 115119956
n×5 143899945

Division

n÷y
n÷2 14389994.5
n÷3 9593329.6666667
n÷3 7194997.25
n÷5 5755997.8

Exponentiation

ny
n2 828287766840121
n3 2.3838112818493E+22
n4 6.8606062469699E+29
n5 1.9744817232113E+37

Nth Root

y√n
2√n 5364.69840718
3√n 306.45276290624
4√n 73.244101518006
5√n 31.032597226053

Divisors of 28779989

1, 7, 4111427, 28779989

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 -28779988
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 28779989 can be divided by 4 positive divisors. The sum of these divisors (counting 28779989) is 1, the average is 0.25.

Base conversion 28779989

Base System Value
2 Binary 1101101110010010111010101
3 Ternary 2000011011201112
4 Quaternary 1231302113111
5 Quinary 24331424424
6 Senary 2504504405
8 Octal 155622725
10 Decimal 28779989
12 Duodecimal 977b105
16 Hexadecimal 1b725d5
20 Vigesimal 8jh9j9
36 Base36 h4us5

Cryptographic Hash Functions

md5 e335ff756165f73ec502f9822597f9fc
sha1 64260bc4f72c3a9a32cf07f82ced8287f45d4f00
sha256 3d08c008ed2467b9a0789471c17e428fea2ae18f812c1609d33ee32fd883a7bd
sha512 bcc01de18be16770335ac3151b9448ad04704ec2b916ecd71d1397c0e2626dc855ca5a7715cf21f12e29e5c25e09665ebd4d8a9a0856c0c8ff47e61bc6c48edc
ripemd-160 b87a06adbd42c613cc3529fd15a9d95134ce4966

28779989 as geometric shapes

Circle

Radius = n
Diameter 57559978
Circumference 180830004.02559
Area 2.6021427633632E+15

Sphere

Radius = n
Volume 9.9852853474697E+22
Surface area 1.0408571053453E+16
Circumference 180830004.02559

Square

Length = n
Perimeter 115119956
Area 828287766840121
Diagonal 40701050.768748

Cube

Length = n
Surface area 4969726601040726
Volume 2.3838112818493E+22
Space diagonal 49848403.189273

Equilateral Triangle

Length = n
Perimeter 86339967
Area 3.5865912386371E+14
Altitude 24924201.594637

Triangular Pyramid

Length = n
Surface area 3.5865912386371E+14
Volume 2.8093485374411E+21
Height 13567016.922916