28367989 (number)

28367989 is an odd 8-digits composite number following 28367988 and preceding 28367990. In scientific notation, it is written as 2.8367989 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 25387200 positive integers (up to 28367989) that are relatively prime to 28367989.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred sixty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 2.8367989 × 10^7
Engineering notation 2.8367989 × 10^6

Prime Factorization of 28367989

Prime Factorization 13 × 83 × 61 × 431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28367989
Product of the distinct prime numbers

The prime factorization of 28367989 is 13 × 83 × 61 × 431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28367989)

Multiplication

n×y
n×2 56735978
n×3 85103967
n×4 113471956
n×5 141839945

Division

n÷y
n÷2 14183994.5
n÷3 9455996.3333333
n÷3 7091997.25
n÷5 5673597.8

Exponentiation

ny
n2 804742799904121
n3 2.2828934895509E+22
n4 6.4761097399752E+29
n5 1.8371420986641E+37

Nth Root

y√n
2√n 5326.1608124427
3√n 304.98338707328
4√n 72.980550919013
5√n 30.943234598367

Divisors of 28367989

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 -28367988
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 28367989 can be divided by 16 positive divisors. The sum of these divisors (counting 28367989) is 1, the average is 0.0625.

Base conversion 28367989

Base System Value
2 Binary 1101100001101110001110101
3 Ternary 1222101020120021
4 Quaternary 1230031301311
5 Quinary 24230233424
6 Senary 2452005141
8 Octal 154156165
10 Decimal 28367989
12 Duodecimal 96007b1
16 Hexadecimal 1b0dc75
20 Vigesimal 8h5jj9
36 Base36 gw0vp

Cryptographic Hash Functions

md5 0ca317cee7ed1361a86b5fcd4dbb9ef9
sha1 4633d16effd81ad6d489926869382d53bc68b41f
sha256 afd453853cfb6d51b5b5b7f59af6b6b3585565b9c3dfe6dad08e9a712f2b3a3b
sha512 0ee47044e133da79ef37bd9a45aa204c930b07366a588d45f3acbb835801fffe478c44f6f968cdfb82f2c43051c3f232f187ad85fcc5061d60ab682a285c49ba
ripemd-160 67244f85294dd9be691a600caaabfb823ab550f6

28367989 as geometric shapes

Circle

Radius = n
Diameter 56735978
Circumference 178241331.67903
Area 2.5281740682081E+15

Sphere

Radius = n
Volume 9.5625618876016E+22
Surface area 1.0112696272832E+16
Circumference 178241331.67903

Square

Length = n
Perimeter 113471956
Area 804742799904121
Diagonal 40118394.781051

Cube

Length = n
Surface area 4828456799424726
Volume 2.2828934895509E+22
Space diagonal 49134798.256555

Equilateral Triangle

Length = n
Perimeter 85103967
Area 3.4846385411479E+14
Altitude 24567399.128278

Triangular Pyramid

Length = n
Surface area 3.4846385411479E+14
Volume 2.6904157786468E+21
Height 13372798.26035