28138429 is an odd 8-digits composite number following 28138428
and preceding 28138430 . In scientific notation, it is written as 2.8138429 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 25580280 positive integers (up to 28138429) that are relatively prime to 28138429.
28138429 has 6 divisors, whose sum is 30929150
The reverse of 28138429 is 92483182
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred thirty-eight thousand four hundred twenty-nine
Scientific notation
2.8138429 × 10^7
Engineering notation
2.8138429 × 10^6
Prime Factorization
11 × 11 × 232549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2558039
Product of the distinct prime numbers
The prime factorization of 28138429 is 11 × 11 × 232549.
Since it has a total of 3 prime factors.
10 , 10 , 46 , 37 , 301 , 477 , 6578 , 1558 , 92923 , 80006 , 567628 , 674105 , 1784413 , 8713922 , 10989530 , 96442773 , 154411492 , 233856162 , 4836079120 , 8309676366
n×2
56276858
n×3
84415287
n×4
112553716
n×5
140692145
n÷2
14069214.5
n÷3
9379476.3333333
n÷3
7034607.25
n÷5
5627685.8
n2
791771186588041
n3
2.2279197318053E+22
n4
6.2690161191103E+29
n5
1.7640026496744E+37
2 √n
5304.5668060644
3 √n
304.15849379012
4 √n
72.832457092044
5 √n
30.892991813183
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28138428
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28138429 can be divided by 6 positive divisors.
The sum of these divisors (counting 28138429) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101011010101101110111101
3
Ternary
1221221120200001
4
Quaternary
1223111232331
5
Quinary
24200412204
6
Senary
2443034301
8
Octal
153255675
10
Decimal
28138429
12
Duodecimal
950b991
16
Hexadecimal
1ad5bbd
20
Vigesimal
8fh619
36
Base36
gr3r1
md5
db39fdef30755c980d02251a020f07f8
sha1
07d2c7b856444e89814b1c8f6381862c2051f68c
sha256
11580134dcc3ea64d24599a5978aa5b1d0f08c5e66a72f72b30aa36413d8362b
sha512
a388aaf823f459e33d9233bb321a6544e38056897fb8639780154332937135d874de93c8caf7c05a4661628a72418f2444d3a7ae0f85c2449fd0830488867f35
ripemd-160
d505a466ba0871b69fc4ef929bb7cb41204576b5
Diameter
56276858
Circumference
176798963.65992
Area
2.4874225431091E+15
Volume
9.3322883496365E+22
Surface area
9.9496901724363E+15
Circumference
176798963.65992
Perimeter
112553716
Area
791771186588041
Diagonal
39793747.915672
Surface area
4750627119528246
Volume
2.2279197318053E+22
Space diagonal
48737188.67317
Perimeter
84415287
Area
3.428469807849E+14
Altitude
24368594.336585
Surface area
3.428469807849E+14
Volume
2.6256285838314E+21
Height
13264582.638557