Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28389938 (number)

28389938 is an even 8-digits composite number following 28389937 and preceding 28389939. In scientific notation, it is written as 2.8389938 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 14194968 positive integers (up to 28389938) that are relatively prime to 28389938.

Interesting facts

28389938 has 4 divisors, whose sum is 42584910
The reverse of 28389938 is 83998382
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	twenty-eight million three hundred eighty-nine thousand nine hundred thirty-eight

Notation

Scientific notation	2.8389938 × 10^7
Engineering notation	2.8389938 × 10^6

Prime Factorization of 28389938

Prime Factorization 2 × 14194969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28389938	Product of the distinct prime numbers

The prime factorization of 28389938 is 2 × 14194969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 54, 62, 400, 327, 8665, 1905, 57462, 30411, 251269, 679705, 556373, 5921147, 21270212, 52641257, 678232276, 953006969, 9736093066, 7966529144

Basic calculations (n = 28389938)

Multiplication

n×y

n×2	56779876
n×3	85169814
n×4	113559752
n×5	141949690

Division

n÷y

n÷2	14194969
n÷3	9463312.6666667
n÷3	7097484.5
n÷5	5677987.6

Exponentiation

n^y

n²	805988579643844
n³	2.2881965804797E+22
n⁴	6.496175905163E+29
n⁵	1.8442603118467E+37

Nth Root

^y√n

²√n	5328.220903829
³√n	305.06202447272
⁴√n	72.994663529802
⁵√n	30.948021423099

Divisors of 28389938

1, 2, 14194969, 28389938

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	-28389937	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 28389938 can be divided by 4 positive divisors. The sum of these divisors (counting 28389938) is 1, the average is 0.25.

Base conversion 28389938

Base	System	Value
2	Binary	1101100010011001000110010
3	Ternary	1222102100200012
4	Quaternary	1230103020302
5	Quinary	24231434223
6	Senary	2452254522
8	Octal	154231062
10	Decimal	28389938
12	Duodecimal	9611442
16	Hexadecimal	1b13232
20	Vigesimal	8h8egi
36	Base36	gwhte

Cryptographic Hash Functions

md5	0a79af2715616a209a5db04d7942d044
sha1	529dde2046eeb3b9a65aa4dab449545d072297f8
sha256	61c49b0ede132cbf0feb347d09ac4f83fc3aa80af256254f596c802366a5d5b8
sha512	9657f1d492dc8e6887a294d690357eda87038bc6b0923f4d0537f16f119e1f74da921f7b94c2b699169a53ce3de2ad303c1453069271a37fc163a39820605004
ripemd-160	ddb00a5fda41931497a9f962a6f154345306bc2b

28389938 as geometric shapes

Circle

Radius = n

Diameter	56779876
Circumference	178379241.31334
Area	2.5320878006864E+15

Sphere

Radius = n

Volume	9.584775422939E+22
Surface area	1.0128351202745E+16
Circumference	178379241.31334

Square

Length = n

Perimeter	113559752
Area	805988579643844
Diagonal	40149435.354531

Cube

Length = n

Surface area	4835931477863064
Volume	2.2881965804797E+22
Space diagonal	49172815.03973

Equilateral Triangle

Length = n

Perimeter	85169814
Area	3.4900329256585E+14
Altitude	24586407.519865

Triangular Pyramid

Length = n

Surface area	3.4900329256585E+14
Volume	2.6966655312418E+21
Height	13383145.118177