28231661 is an odd 8-digits composite number following 28231660
and preceding 28231662 . In scientific notation, it is written as 2.8231661 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 28141152 positive integers (up to 28231661) that are relatively prime to 28231661.
28231661 has 4 divisors, whose sum is 28322172
The reverse of 28231661 is 16613282
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million two hundred thirty-one thousand six hundred sixty-one
Scientific notation
2.8231661 × 10^7
Engineering notation
2.8231661 × 10^6
Prime Factorization
313 × 90197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28231661
Product of the distinct prime numbers
The prime factorization of 28231661 is 313 × 90197.
Since it has a total of 2 prime factors.
2 , 5 , 69 , 95 , 887 , 55 , 4800 , 8952 , 96718 , 49256 , 784957 , 330194 , 513077 , 2607105 , 59312679 , 51462550 , 802637346 , 244754711 , 4535088083 , 1893393897
n×2
56463322
n×3
84694983
n×4
112926644
n×5
141158305
n÷2
14115830.5
n÷3
9410553.6666667
n÷3
7057915.25
n÷5
5646332.2
n2
797026682818921
n3
2.2501387117298E+22
n4
6.3525153312533E+29
n5
1.7934205932925E+37
2 √n
5313.3474382916
3 √n
304.49404963733
4 √n
72.892711832471
5 √n
30.913436492153
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
-28231660
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 28231661 can be divided by 4 positive divisors.
The sum of these divisors (counting 28231661) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101100011111101101
3
Ternary
1222010022120002
4
Quaternary
1223230133231
5
Quinary
24211403121
6
Senary
2445034045
8
Octal
153543755
10
Decimal
28231661
12
Duodecimal
9555925
16
Hexadecimal
1aec7ed
20
Vigesimal
8g8j31
36
Base36
gt3ot
md5
6639dd10b4eb93d056abf867bff5dab5
sha1
4330f7a890ce43200e52e5a730604abbcd748f49
sha256
ee153cf582cad971abe252d29234ef763535a8c2db2063f0eaae2001396fdad9
sha512
98ff38fb4ec2f29820c984a7351ca5cfbc8bd821e24368d39732621e63dcd128a34c09ba3546aca0440a79e4b7b13a07ba8cc3d4861fe777f875049db507b1b8
ripemd-160
6994d4a9f6f36ed413c7c359bd8aa119c4c74271
Diameter
56463322
Circumference
177384757.59247
Area
2.503933171459E+15
Volume
9.4253589951046E+22
Surface area
1.0015732685836E+16
Circumference
177384757.59247
Perimeter
112926644
Area
797026682818921
Diagonal
39925597.87452
Surface area
4782160096913526
Volume
2.2501387117298E+22
Space diagonal
48898671.234061
Perimeter
84694983
Area
3.4512267740761E+14
Altitude
24449335.61703
Surface area
3.4512267740761E+14
Volume
2.6518139027909E+21
Height
13308532.62484