28161187 is an odd 8-digits prime number following 28161186
and preceding 28161188 . In scientific notation, it is written as 2.8161187 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 28161186 positive integers (up to 28161187) that are relatively prime to 28161187.
28161187 has 2 divisors, whose sum is 28161188
The reverse of 28161187 is 78116182
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
twenty-eight million one hundred sixty-one thousand one hundred eighty-seven
Scientific notation
2.8161187 × 10^7
Engineering notation
2.8161187 × 10^6
Prime Factorization
28161187
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28161187 Product of the distinct prime numbers
The prime factorization of 28161187 is 28161187.
Since it has a total of 1 prime factors.
2 , 8 , 62 , 35 , 126 , 977 , 9187 , 2481 , 20388 , 21644 , 583967 , 529439 , 8663651 , 2528420 , 46530561 , 87906220 , 215883859 , 284601337 , 5804229441 , 3471263995
n×2
56322374
n×3
84483561
n×4
112644748
n×5
140805935
n÷2
14080593.5
n÷3
9387062.3333333
n÷3
7040296.75
n÷5
5632237.4
n2
793052453248969
n3
2.2333298436753E+22
n4
6.2893219360421E+29
n5
1.7711477114408E+37
2 √n5306.7115052545
3 √n304.24047152109
4 √n72.847179116658
5 √n30.897987368314
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28161188 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14080594 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5306.7115994748 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999289803 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28161187 can be divided by 2 positive divisors.
The sum of these divisors (counting 28161187) is 28161188, the average is 14080594.
Base
System
Value
2
Binary
1101011011011010010100011
3
Ternary
1221222201212221
4
Quaternary
1223123102203
5
Quinary
24202124222
6
Senary
2443331511
8
Octal
153332243
10
Decimal
28161187
12
Duodecimal
9520b97
16
Hexadecimal
1adb4a3
20
Vigesimal
8g02j7
36
Base36
grlb7
md5
720df6c368c0de57612dac1bb180f739
sha1
14565e3536271a5b6636f082127a67460922feb6
sha256
23f63a1e13a64d6657cebf1cb59076e8afd31a486151f8b75b872e79d5dc72fa
sha512
d6bbc1b3323d2646968b185a59186cc6e2f1cf239f79d4bb5f727225ad1ab5792ccfa73e6bb0f425d41863828e8baa2f29e532841361fb9525061f7f5a19e01c
ripemd-160
dd67fffdf40f19541f672f1adc5f85b3e8ffdd5c
Diameter
56322374
Circumference
176941956.39114
Area
2.4914477610383E+15
Volume
9.3549501732442E+22
Surface area
9.9657910441533E+15
Circumference
176941956.39114
Perimeter
112644748
Area
793052453248969
Diagonal
39825932.587925
Surface area
4758314719493814
Volume
2.2333298436753E+22
Space diagonal
48776606.685448
Perimeter
84483561
Area
3.4340178552359E+14
Altitude
24388303.342724
Surface area
3.4340178552359E+14
Volume
2.6320044618152E+21
Height
13275310.862642