28157055 is an odd 8-digits composite number following 28157054
and preceding 28157056 . In scientific notation, it is written as 2.8157055 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 15017088 positive integers (up to 28157055) that are relatively prime to 28157055.
28157055 has 4 divisors, whose sum is 30034208
The reverse of 28157055 is 55075182
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million one hundred fifty-seven thousand fifty-five
Scientific notation
2.8157055 × 10^7
Engineering notation
2.8157055 × 10^6
Prime Factorization
15 × 1877137
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28157055
Product of the distinct prime numbers
The prime factorization of 28157055 is 15 × 1877137.
Since it has a total of 2 prime factors.
3 , 6 , 1 , 53 , 295 , 682 , 4704 , 3684 , 38975 , 89834 , 777823 , 880034 , 1826260 , 300481 , 25260433 , 38110842 , 362323249 , 672826254 , 4539540080 , 3610917840
n×2
56314110
n×3
84471165
n×4
112628220
n×5
140785275
n÷2
14078527.5
n÷3
9385685
n÷3
7039263.75
n÷5
5631411
n2
792819746273025
n3
2.2323469200896E+22
n4
6.2856315008042E+29
n5
1.7698487187788E+37
2 √n
5306.3221726541
3 √n
304.22559071939
4 √n
72.844506811798
5 √n
30.897080602718
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
-28157054
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 28157055 can be divided by 4 positive divisors.
The sum of these divisors (counting 28157055) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011010010001111111
3
Ternary
1221222112012220
4
Quaternary
1223122101333
5
Quinary
24202011210
6
Senary
2443300423
8
Octal
153322177
10
Decimal
28157055
12
Duodecimal
951a713
16
Hexadecimal
1ada47f
20
Vigesimal
8fjccf
36
Base36
gri4f
md5
3572f581cd1a614450344c9066f779c4
sha1
db0d3d1e5083f704796cf6eaf747a030a80418f3
sha256
0a4173adb360c15e02df20b87d2a8ed8f013d911b99d3135b250aab00429c2e8
sha512
5d92f088a707323a564cc4b43b68ac0cc81439466e7d7e5b616344a2fa0232606f9ab7c9770099d50f65e65b30e5da01a7c3673042abb7fce3c2f3e35ef11061
ripemd-160
f4b6885eb6eb12a4a3c04251883c04262e256319
Diameter
56314110
Circumference
176915994.26945
Area
2.4907166905123E+15
Volume
9.3508329125562E+22
Surface area
9.962866762049E+15
Circumference
176915994.26945
Perimeter
112628220
Area
792819746273025
Diagonal
39820089.057485
Surface area
4756918477638150
Volume
2.2323469200896E+22
Space diagonal
48769449.851511
Perimeter
84471165
Area
3.4330102044719E+14
Altitude
24384724.925756
Surface area
3.4330102044719E+14
Volume
2.6308460752604E+21
Height
13273363.019162