28231689 is an odd 8-digits composite number following 28231688
and preceding 28231690 . In scientific notation, it is written as 2.8231689 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 18821124 positive integers (up to 28231689) that are relatively prime to 28231689.
28231689 has 4 divisors, whose sum is 37642256
The reverse of 28231689 is 98613282
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million two hundred thirty-one thousand six hundred eighty-nine
Scientific notation
2.8231689 × 10^7
Engineering notation
2.8231689 × 10^6
Prime Factorization
3 × 9410563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28231689
Product of the distinct prime numbers
The prime factorization of 28231689 is 3 × 9410563.
Since it has a total of 2 prime factors.
10 , 1 , 42 , 85 , 200 , 941 , 6292 , 2406 , 88692 , 54428 , 9579 , 408004 , 2704007 , 1793244 , 91369131 , 32623324 , 840132286 , 346739066 , 8362862282 , 2625089984
n×2
56463378
n×3
84695067
n×4
112926756
n×5
141158445
n÷2
14115844.5
n÷3
9410563
n÷3
7057922.25
n÷5
5646337.8
n2
797028263792721
n3
2.2501454067606E+22
n4
6.3525405328444E+29
n5
1.7934294868316E+37
2 √n
5313.3500731648
3 √n
304.49415030245
4 √n
72.892729906108
5 √n
30.913442624105
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
-28231688
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 28231689 can be divided by 4 positive divisors.
The sum of these divisors (counting 28231689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101100100000001001
3
Ternary
1222010022121010
4
Quaternary
1223230200021
5
Quinary
24211403224
6
Senary
2445034133
8
Octal
153544011
10
Decimal
28231689
12
Duodecimal
9555949
16
Hexadecimal
1aec809
20
Vigesimal
8g8j49
36
Base36
gt3pl
md5
20d873340fe368dfe2e6def2eaf10d85
sha1
368357d6b7b807b7480bb87273444b20f91615ea
sha256
61cd104f4d35f5bfa5b215f4d9f7c37e52b70ea6f08fbba289d404228cdb89e7
sha512
fcaeca1439781225a57265d159ad1c1ef313b415a4ec198c82e0699bbaed0937b8673f3f8432a55df34a7f5439dd33147319f239148de583dd289cdf4374bd57
ripemd-160
6a3a61ca7c9b82e8aa856e9497f46f2fcf1dcbb1
Diameter
56463378
Circumference
177384933.52166
Area
2.5039381382346E+15
Volume
9.4253870391839E+22
Surface area
1.0015752552939E+16
Circumference
177384933.52166
Perimeter
112926756
Area
797028263792721
Diagonal
39925637.472499
Surface area
4782169582756326
Volume
2.2501454067606E+22
Space diagonal
48898719.731483
Perimeter
84695067
Area
3.4512336198935E+14
Altitude
24449359.865742
Surface area
3.4512336198935E+14
Volume
2.6518217929603E+21
Height
13308545.824166