28677988 (number)

28677988 is an even 8-digits composite number following 28677987 and preceding 28677989. In scientific notation, it is written as 2.8677988 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 14327712 positive integers (up to 28677988) that are relatively prime to 28677988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8677988 × 10^7
Engineering notation 2.8677988 × 10^6

Prime Factorization of 28677988

Prime Factorization 2 × 2 × 3709 × 1933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14338994
Product of the distinct prime numbers

The prime factorization of 28677988 is 2 × 2 × 3709 × 1933. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 56, 52, 1, 40, 2302, 9337, 54686, 91538, 324602, 532716, 4875186, 4036224, 87409191, 68613441, 793049614, 734332630, 5237256264, 6509264401

Basic calculations (n = 28677988)

Multiplication

n×y
n×2 57355976
n×3 86033964
n×4 114711952
n×5 143389940

Division

n÷y
n÷2 14338994
n÷3 9559329.3333333
n÷3 7169497
n÷5 5735597.6

Exponentiation

ny
n2 822426995728144
n3 2.3585551514368E+22
n4 6.7638616330242E+29
n5 1.9397394274553E+37

Nth Root

y√n
2√n 5355.1832835114
3√n 306.09029473949
4√n 73.179117810421
5√n 31.010569052713

Divisors of 28677988

1, 2, 4, 1933, 3709, 3866, 7418, 7732, 14836, 7169497, 14338994, 28677988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28677987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28677988 can be divided by 12 positive divisors. The sum of these divisors (counting 28677988) is 1, the average is 0.083333333333333.

Base conversion 28677988

Base System Value
2 Binary 1101101011001011101100100
3 Ternary 1222221222210201
4 Quaternary 1231121131210
5 Quinary 24320143423
6 Senary 2502400244
8 Octal 155313544
10 Decimal 28677988
12 Duodecimal 9730084
16 Hexadecimal 1b59764
20 Vigesimal 8j4ej8
36 Base36 h2o2s

Cryptographic Hash Functions

md5 767a19a801e978446cc1297e82294d37
sha1 d84a5fccd8c8a2809aec21f1d874d73604579456
sha256 3c2bfe3a48be4d6c76f5c4defa7940fc0d6156ee34dad2bb0b318a4c3a603054
sha512 a12caa06212af3126411dcae5aa3f7c7af80a5066e9999b92b04e66eb326450155d67b3a996ba78858ebd600b54773a3d825e47200f4f19b9998aeb6f3a34cd5
ripemd-160 cdb913cbd0d2d780fc04bb94fdd87aff2ec4f896

28677988 as geometric shapes

Circle

Radius = n
Diameter 57355976
Circumference 180189112.84107
Area 2.5837306078935E+15

Sphere

Radius = n
Volume 9.8794927157869E+22
Surface area 1.0334922431574E+16
Circumference 180189112.84107

Square

Length = n
Perimeter 114711952
Area 822426995728144
Diagonal 40556799.571173

Cube

Length = n
Surface area 4934561974368864
Volume 2.3585551514368E+22
Space diagonal 49671732.274851

Equilateral Triangle

Length = n
Perimeter 86033964
Area 3.5612133552934E+14
Altitude 24835866.137425

Triangular Pyramid

Length = n
Surface area 3.5612133552934E+14
Volume 2.7795839023057E+21
Height 13518933.190391