28436638 is an even 8-digits composite number following 28436637
and preceding 28436639 . In scientific notation, it is written as 2.8436638 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 14167440 positive integers (up to 28436638) that are relatively prime to 28436638.
28436638 has 8 divisors, whose sum is 42807600
The reverse of 28436638 is 83663482
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred thirty-six thousand six hundred thirty-eight
Scientific notation
2.8436638 × 10^7
Engineering notation
2.8436638 × 10^6
Prime Factorization
2 × 281 × 50599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28436638
Product of the distinct prime numbers
The prime factorization of 28436638 is 2 × 281 × 50599.
Since it has a total of 3 prime factors.
4 , 3 , 85 , 85 , 160 , 779 , 6304 , 2572 , 39947 , 36639 , 171296 , 630931 , 6365567 , 5209163 , 79921833 , 80655257 , 746172783 , 218840210 , 91067853 , 5718618836
n×2
56873276
n×3
85309914
n×4
113746552
n×5
142183190
n÷2
14218319
n÷3
9478879.3333333
n÷3
7109159.5
n÷5
5687327.6
n2
808642380743044
n3
2.2995070652648E+22
n4
6.5390249993378E+29
n5
1.8594788677912E+37
2 √n
5332.6014289463
3 √n
305.22920332956
4 √n
73.024663155309
5 √n
30.958196313781
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28436637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28436638 can be divided by 8 positive divisors.
The sum of these divisors (counting 28436638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011110100010011110
3
Ternary
1222111201201211
4
Quaternary
1230132202132
5
Quinary
24234433023
6
Senary
2453255034
8
Octal
154364236
10
Decimal
28436638
12
Duodecimal
963447a
16
Hexadecimal
1b1e89e
20
Vigesimal
8hebbi
36
Base36
gxhum
md5
e6aa204630a94db764cfc8e6349861ee
sha1
85bff428b16f87d3cdf5d467747b77b2bb9a8b0b
sha256
de07c1595d0bd6699bbd9bea1d62826448305c13ca8430f80eca8d5fef904c3c
sha512
ba427573245a8a78d81c79bf30a623ae54d1a7b32468361c51ce113797d8ee0cd6f4eaffbe2e7ae5e22e56ac5b174efa10ba24cc44c03aad9704b444ad53b93f
ripemd-160
42942510d64b33ed4a4d36398dd6bad19aa6c03b
Diameter
56873276
Circumference
178672666.06718
Area
2.5404249627237E+15
Volume
9.6321526708183E+22
Surface area
1.0161699850895E+16
Circumference
178672666.06718
Perimeter
113746552
Area
808642380743044
Diagonal
40215479.127894
Surface area
4851854284458264
Volume
2.2995070652648E+22
Space diagonal
49253701.812444
Perimeter
85309914
Area
3.501524221501E+14
Altitude
24626850.906222
Surface area
3.501524221501E+14
Volume
2.7099950653919E+21
Height
13405159.709298