28138835 is an odd 8-digits composite number following 28138834
and preceding 28138836 . In scientific notation, it is written as 2.8138835 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 22511064 positive integers (up to 28138835) that are relatively prime to 28138835.
28138835 has 4 divisors, whose sum is 33766608
The reverse of 28138835 is 53883182
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred thirty-eight thousand eight hundred thirty-five
Scientific notation
2.8138835 × 10^7
Engineering notation
2.8138835 × 10^6
Prime Factorization
5 × 5627767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28138835
Product of the distinct prime numbers
The prime factorization of 28138835 is 5 × 5627767.
Since it has a total of 2 prime factors.
9 , 1 , 9 , 22 , 499 , 304 , 2468 , 7252 , 60685 , 22159 , 323998 , 569424 , 8499730 , 1807948 , 24375123 , 29430566 , 520288052 , 700765782 , 8418494520 , 9316905966
n×2
56277670
n×3
84416505
n×4
112555340
n×5
140694175
n÷2
14069417.5
n÷3
9379611.6666667
n÷3
7034708.75
n÷5
5627767
n2
791794035157225
n3
2.2280161709273E+22
n4
6.2693779411056E+29
n5
1.7641299143741E+37
2 √n
5304.6050748383
3 √n
304.15995665021
4 √n
72.832719809425
5 √n
30.893080961602
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
-28138834
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 28138835 can be divided by 4 positive divisors.
The sum of these divisors (counting 28138835) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011010101110101010011
3
Ternary
1221221121020002
4
Quaternary
1223111311103
5
Quinary
24200420320
6
Senary
2443040215
8
Octal
153256523
10
Decimal
28138835
12
Duodecimal
951006b
16
Hexadecimal
1ad5d53
20
Vigesimal
8fh71f
36
Base36
gr42b
md5
42cfc03267e1c5306c2a367e3845251f
sha1
c7082a6ef6dfa5991540dbbd32543e0825b0829d
sha256
ab3f98bc1f46620f837325fb43420771ec72bba53e7a0df2b062a8895b45b28f
sha512
36b95ae1043c4060eac5d7b28e07933979f57216010bf85d8e0f9c19fa70a4b48f371cb73beb31f0ba8978898905944ba5453918f7819186ce8974ef647bebce
ripemd-160
f4cea93ed63921da860556b4f983e76d1f7cf234
Diameter
56277670
Circumference
176801514.63315
Area
2.4874943240062E+15
Volume
9.3326923128861E+22
Surface area
9.9499772960246E+15
Circumference
176801514.63315
Perimeter
112555340
Area
791794035157225
Diagonal
39794322.086379
Surface area
4750764210943350
Volume
2.2280161709273E+22
Space diagonal
48737891.885797
Perimeter
84416505
Area
3.4285687450557E+14
Altitude
24368945.942899
Surface area
3.4285687450557E+14
Volume
2.6257422384267E+21
Height
13264774.028793