28231690 is an even 8-digits composite number following 28231689
and preceding 28231691 . In scientific notation, it is written as 2.8231690 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 11165440 positive integers (up to 28231690) that are relatively prime to 28231690.
28231690 has 16 divisors, whose sum is 51389640
The reverse of 28231690 is 09613282
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million two hundred thirty-one thousand six hundred ninety
Scientific notation
2.8231690 × 10^7
Engineering notation
2.8231690 × 10^6
Prime Factorization
2 × 5 × 89 × 31721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28231690
Product of the distinct prime numbers
The prime factorization of 28231690 is 2 × 5 × 89 × 31721.
Since it has a total of 4 prime factors.
10 , 3 , 3 , 84 , 133 , 932 , 6979 , 5270 , 59770 , 97464 , 187245 , 437644 , 3559676 , 7061299 , 66606311 , 1013212 , 939417970 , 968469433 , 3122230042 , 2097456358
n×2
56463380
n×3
84695070
n×4
112926760
n×5
141158450
n÷2
14115845
n÷3
9410563.3333333
n÷3
7057922.5
n÷5
5646338
n2
797028320256100
n3
2.2501456458691E+22
n4
6.3525414329026E+29
n5
1.7934298044586E+37
2 √n
5313.3501672674
3 √n
304.49415389763
4 √n
72.892730551594
5 √n
30.913442843103
1 , 2 , 5 , 10 , 89 , 178 , 445 , 890 , 31721 , 63442 , 158605 , 317210 , 2823169 , 5646338 , 14115845 , 28231690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28231689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28231690 can be divided by 16 positive divisors.
The sum of these divisors (counting 28231690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011101100100000001010
3
Ternary
1222010022121011
4
Quaternary
1223230200022
5
Quinary
24211403230
6
Senary
2445034134
8
Octal
153544012
10
Decimal
28231690
12
Duodecimal
955594a
16
Hexadecimal
1aec80a
20
Vigesimal
8g8j4a
36
Base36
gt3pm
md5
673d40582c5a3213781311dac23c9f22
sha1
10aa97d0579b1a8421eedbde251627866fde6867
sha256
21a2298c17f9729d8f06a55535298aa95a54c07137480ed4b627e198107cc428
sha512
ee802713301bd189468a9bc75bda45b74b5dc27cd376aecf9ad3afebbd31778eb0f597bd94979986be70af2f66868f4086d991813249d0e2c9bea49cdfe77b48
ripemd-160
337f6cc6a303d9395128299c3e0a64eaaad0dec4
Diameter
56463380
Circumference
177384939.80485
Area
2.5039383156196E+15
Volume
9.4253880407592E+22
Surface area
1.0015753262478E+16
Circumference
177384939.80485
Perimeter
112926760
Area
797028320256100
Diagonal
39925638.886713
Surface area
4782169921536600
Volume
2.2501456458691E+22
Space diagonal
48898721.463534
Perimeter
84695070
Area
3.4512338643871E+14
Altitude
24449360.731767
Surface area
3.4512338643871E+14
Volume
2.6518220747524E+21
Height
13308546.295571