28331121 is an odd 8-digits composite number following 28331120
and preceding 28331122 . In scientific notation, it is written as 2.8331121 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 14826240 positive integers (up to 28331121) that are relatively prime to 28331121.
28331121 has 16 divisors, whose sum is 32215568
The reverse of 28331121 is 12113382
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-eight million three hundred thirty-one thousand one hundred twenty-one
Scientific notation
2.8331121 × 10^7
Engineering notation
2.8331121 × 10^6
Prime Factorization
21 × 13 × 157 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28331121
Product of the distinct prime numbers
The prime factorization of 28331121 is 21 × 13 × 157 × 661.
Since it has a total of 4 prime factors.
10 , 2 , 38 , 71 , 823 , 979 , 9794 , 7224 , 82319 , 27855 , 312498 , 243292 , 188754 , 3964283 , 96600862 , 17442110 , 89701566 , 969548189 , 5829292860 , 4297082090
n×2
56662242
n×3
84993363
n×4
113324484
n×5
141655605
n÷2
14165560.5
n÷3
9443707
n÷3
7082780.25
n÷5
5666224.2
n2
802652417116641
n3
2.2740042750274E+22
n4
6.4425090270319E+29
n5
1.8252350278843E+37
2 √n
5322.698657636
3 √n
304.85120754611
4 √n
72.956827354511
5 √n
30.935187438642
1 , 13 , 21 , 157 , 273 , 661 , 2041 , 3297 , 8593 , 13881 , 42861 , 103777 , 180453 , 1349101 , 2179317 , 28331121
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
-28331120
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 28331121 can be divided by 16 positive divisors.
The sum of these divisors (counting 28331121) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100000100110001110001
3
Ternary
1222022100222210
4
Quaternary
1230010301301
5
Quinary
24223043441
6
Senary
2451122333
8
Octal
154046161
10
Decimal
28331121
12
Duodecimal
95a33a9
16
Hexadecimal
1b04c71
20
Vigesimal
8h17g1
36
Base36
gv8fl
md5
6856772fe3d01346225316e59cd9faba
sha1
15fe67496c59a33bb3d1f8d2cb94401f7cbebd98
sha256
0a7eff2e7225a83901b422254928db9b10b9509f4bdd25e76effb089a7e9a957
sha512
3d9671f5c107106d378b6f34fa757c383e7092e5e01269e0f9668932c891c4686ac7a8a3bcc12dda58461d73b8d68f0a5d7e27502ec31e21f805bc30f62b6cbf
ripemd-160
b691cc20b18e77cfed7dbdf755ac07e0fa267e9b
Diameter
56662242
Circumference
178009683.20313
Area
2.5216069369997E+15
Volume
9.5253268328772E+22
Surface area
1.0086427747999E+16
Circumference
178009683.20313
Perimeter
113324484
Area
802652417116641
Diagonal
40066255.555433
Surface area
4815914502699846
Volume
2.2740042750274E+22
Space diagonal
49070941.007382
Perimeter
84993363
Area
3.47558691816E+14
Altitude
24535470.503691
Surface area
3.47558691816E+14
Volume
2.6799397388651E+21
Height
13355418.518478