28138910 is an even 8-digits composite number following 28138909
and preceding 28138911 . In scientific notation, it is written as 2.8138910 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10593408 positive integers (up to 28138910) that are relatively prime to 28138910.
28138910 has 8 divisors, whose sum is 42705192
The reverse of 28138910 is 01983182
Previous prime number is 85
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million one hundred thirty-eight thousand nine hundred ten
Scientific notation
2.8138910 × 10^7
Engineering notation
2.8138910 × 10^6
Prime Factorization
2 × 85 × 165523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28138910
Product of the distinct prime numbers
The prime factorization of 28138910 is 2 × 85 × 165523.
Since it has a total of 3 prime factors.
9 , 9 , 89 , 9 , 940 , 86 , 4185 , 511 , 39450 , 35633 , 259164 , 721085 , 1514544 , 8298049 , 88447860 , 84234506 , 305048399 , 534851227 , 2478104054 , 7637556269
n×2
56277820
n×3
84416730
n×4
112555640
n×5
140694550
n÷2
14069455
n÷3
9379636.6666667
n÷3
7034727.5
n÷5
5627782
n2
791798255988100
n3
2.2280339863406E+22
n4
6.269444781858E+29
n5
1.7641534246667E+37
2 √n
5304.6121441629
3 √n
304.16022688144
4 √n
72.83276834065
5 √n
30.893097429794
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
-28138909
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 28138910 can be divided by 8 positive divisors.
The sum of these divisors (counting 28138910) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011010101110110011110
3
Ternary
1221221121022212
4
Quaternary
1223111312132
5
Quinary
24200421120
6
Senary
2443040422
8
Octal
153256636
10
Decimal
28138910
12
Duodecimal
9510112
16
Hexadecimal
1ad5d9e
20
Vigesimal
8fh75a
36
Base36
gr44e
md5
021d9bcee2a358f43cbae39c76306948
sha1
3c394b2f36cd5bdedb7b4f3d761ae2750a17cf4c
sha256
d19d6203acb1f98164e77f2a8e03b675ef325dcf7f0d59f4100111099263bf85
sha512
2d3278994db91210e5c52a7334d58db3a0abc1a974e80f3e01c06d2efad9604746df33e684f580f3874e621ff7abeeae32fa642041baabe1acf6c6d81088418d
ripemd-160
919795fe95d60fe090f55a6b4b3394bdc78bd612
Diameter
56277820
Circumference
176801985.87205
Area
2.4875075841374E+15
Volume
9.3327669379147E+22
Surface area
9.9500303365497E+15
Circumference
176801985.87205
Perimeter
112555640
Area
791798255988100
Diagonal
39794428.152396
Surface area
4750789535928600
Volume
2.2280339863406E+22
Space diagonal
48738021.789608
Perimeter
84416730
Area
3.4285870217895E+14
Altitude
24369010.894804
Surface area
3.4285870217895E+14
Volume
2.6257632340926E+21
Height
13264809.384132