28228889 is an odd 8-digits composite number following 28228888
and preceding 28228890 . In scientific notation, it is written as 2.8228889 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 23607936 positive integers (up to 28228889) that are relatively prime to 28228889.
28228889 has 8 divisors, whose sum is 30476040
The reverse of 28228889 is 98882282
Previous prime number is 437
Is Prime? no Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
twenty-eight million two hundred twenty-eight thousand eight hundred eighty-nine
Scientific notation
2.8228889 × 10^7
Engineering notation
2.8228889 × 10^6
Prime Factorization
13 × 437 × 4969
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28228889 Product of the distinct prime numbers
The prime factorization of 28228889 is 13 × 437 × 4969.
Since it has a total of 3 prime factors.
10 , 10 , 93 , 72 , 781 , 991 , 1030 , 387 , 35678 , 28249 , 385789 , 81799 , 9320854 , 9526494 , 31435787 , 55558476 , 357645745 , 365803836 , 9233472977 , 2292905929
n×2
56457778
n×3
84686667
n×4
112915556
n×5
141144445
n÷2
14114444.5
n÷3
9409629.6666667
n÷3
7057222.25
n÷5
5645777.8
n2
796870174174321
n3
2.2494759694178E+22
n4
6.3500207448861E+29
n5
1.7925403075509E+37
2 √n5313.0865793811
3 √n304.48408346103
4 √n72.890922475855
5 √n30.912829404871
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28228888 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28228889 can be divided by 8 positive divisors.
The sum of these divisors (counting 28228889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011101011110100011001
3
Ternary
1222010011202102
4
Quaternary
1223223310121
5
Quinary
24211311024
6
Senary
2445013145
8
Octal
153536431
10
Decimal
28228889
12
Duodecimal
95541b5
16
Hexadecimal
1aebd19
20
Vigesimal
8g8c49
36
Base36
gt1jt
md5
b63483eb8b3154fab5065b135982710c
sha1
2c8e11846868b8957b669d1e333f35e15fbf62c3
sha256
2929a3bd939680c6c5f3d511fc04d0b96fe43e2e015e06c1602c7232adb854d3
sha512
b17e339ab82c2ffddbb1139da75bb2fd1e85ff5a2ca9831e5790c9ad005ffd5e54202f4d100509b94fdec0a165fde0a973c1c3939ac788ff9ec408374fb8bd0d
ripemd-160
95c9bb13a681736efd79076d535f94ead94586bd
Diameter
56457778
Circumference
177367340.6028
Area
2.5034414850509E+15
Volume
9.4225829065995E+22
Surface area
1.0013765940203E+16
Circumference
177367340.6028
Perimeter
112915556
Area
796870174174321
Diagonal
39921677.674525
Surface area
4781221045045926
Volume
2.2494759694178E+22
Space diagonal
48893869.989222
Perimeter
84686667
Area
3.4505490717655E+14
Altitude
24446934.994611
Surface area
3.4505490717655E+14
Volume
2.6510328534858E+21
Height
13307225.891508