28494889 is an odd 8-digits composite number following 28494888
and preceding 28494890 . In scientific notation, it is written as 2.8494889 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 26745552 positive integers (up to 28494889) that are relatively prime to 28494889.
28494889 has 8 divisors, whose sum is 30272000
The reverse of 28494889 is 98849482
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million four hundred ninety-four thousand eight hundred eighty-nine
Scientific notation
2.8494889 × 10^7
Engineering notation
2.8494889 × 10^6
Prime Factorization
19 × 109 × 13759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28494889
Product of the distinct prime numbers
The prime factorization of 28494889 is 19 × 109 × 13759.
Since it has a total of 3 prime factors.
6 , 6 , 56 , 98 , 839 , 113 , 8216 , 2296 , 88700 , 86214 , 407009 , 638494 , 4788007 , 1882551 , 12868545 , 96802161 , 212619038 , 768796978 , 7972362985 , 1847499189
n×2
56989778
n×3
85484667
n×4
113979556
n×5
142474445
n÷2
14247444.5
n÷3
9498296.3333333
n÷3
7123722.25
n÷5
5698977.8
n2
811958699122321
n3
2.3136673004075E+22
n4
6.5927692908041E+29
n5
1.8786022914407E+37
2 √n
5338.0604155442
3 √n
305.43747665768
4 √n
73.062031285369
5 √n
30.970869190808
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
-28494888
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 28494889 can be divided by 8 positive divisors.
The sum of these divisors (counting 28494889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101100110000101001
3
Ternary
1222121200122021
4
Quaternary
1230230300221
5
Quinary
24243314024
6
Senary
2454424441
8
Octal
154546051
10
Decimal
28494889
12
Duodecimal
9662121
16
Hexadecimal
1b2cc29
20
Vigesimal
8i1h49
36
Base36
gyqsp
md5
7eb56e831d384e836531ed3e03461581
sha1
99e0410727f5351422301ac72cfbd0d4edc6c7af
sha256
fc5dec0fe611722dc14504365310672cb9f36158df0e40a08b2740babc461877
sha512
572bd1f8d106fac243822b024bf0307c8ed907dba375f314fb5df50217aac9ea6839e1fd033fba4b09c6dab695887f18e2134b3932049b36980664f4822c6e5b
ripemd-160
003231347c74e5279d6ce36c0cebb1f33270ee53
Diameter
56989778
Circumference
179038667.89451
Area
2.550843484181E+15
Volume
9.6914669250815E+22
Surface area
1.0203373936724E+16
Circumference
179038667.89451
Perimeter
113979556
Area
811958699122321
Diagonal
40297858.482116
Surface area
4871752194733926
Volume
2.3136673004075E+22
Space diagonal
49354595.504036
Perimeter
85484667
Area
3.5158843013185E+14
Altitude
24677297.752018
Surface area
3.5158843013185E+14
Volume
2.7266830625462E+21
Height
13432619.494039