28697191 is an odd 8-digits composite number following 28697190
and preceding 28697192 . In scientific notation, it is written as 2.8697191 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 28682584 positive integers (up to 28697191) that are relatively prime to 28697191.
28697191 has 4 divisors, whose sum is 28711800
The reverse of 28697191 is 19179682
Previous prime number is 2339
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred ninety-seven thousand one hundred ninety-one
Scientific notation
2.8697191 × 10^7
Engineering notation
2.8697191 × 10^6
Prime Factorization
2339 × 12269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28697191
Product of the distinct prime numbers
The prime factorization of 28697191 is 2339 × 12269.
Since it has a total of 2 prime factors.
6 , 8 , 55 , 87 , 275 , 189 , 7287 , 3814 , 14115 , 96159 , 130418 , 526719 , 8273951 , 1284882 , 94349280 , 75292381 , 517124969 , 732731183 , 5305594968 , 6180114173
n×2
57394382
n×3
86091573
n×4
114788764
n×5
143485955
n÷2
14348595.5
n÷3
9565730.3333333
n÷3
7174297.75
n÷5
5739438.2
n2
823528771290481
n3
2.3632962443718E+22
n4
6.7819963714321E+29
n5
1.9462424523229E+37
2 √n
5356.9759193037
3 √n
306.15859962971
4 √n
73.19136505971
5 √n
31.014720923633
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
-28697190
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 28697191 can be divided by 4 positive divisors.
The sum of these divisors (counting 28697191) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011110001001100111
3
Ternary
1222222222010221
4
Quaternary
1231132021213
5
Quinary
24321302231
6
Senary
2503025211
8
Octal
155361147
10
Decimal
28697191
12
Duodecimal
973b207
16
Hexadecimal
1b5e267
20
Vigesimal
8j72jb
36
Base36
h32w7
md5
1d43955ed4997e51f16fb6c269b7f244
sha1
9970313111f000da0c985d4aeb6dfe76f15b1cd0
sha256
fcb432494b8d8aa69168933287a4c7602d52b3fcb40e0cedd9086b2e87ffdfa5
sha512
392156f4d0f22d2a922255af91cfef7ca2950205a0911ca79df4a4cc36b8a2f0f616fdeb6dd92ed4a092f693016e8c125399cc0fc4cde5b86f85d944d4fa3647
ripemd-160
2e7cb3343c93310c1fe56ae029fc747351b02ba3
Diameter
57394382
Circumference
180309768.84853
Area
2.587191937906E+15
Volume
9.8993521594332E+22
Surface area
1.0348767751624E+16
Circumference
180309768.84853
Perimeter
114788764
Area
823528771290481
Diagonal
40583956.714211
Surface area
4941172627742886
Volume
2.3632962443718E+22
Space diagonal
49704992.846508
Perimeter
86091573
Area
3.5659841834247E+14
Altitude
24852496.423254
Surface area
3.5659841834247E+14
Volume
2.7851713339134E+21
Height
13527985.571404