28494920 is an even 8-digits composite number following 28494919
and preceding 28494921 . In scientific notation, it is written as 2.8494920 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 11182080 positive integers (up to 28494920) that are relatively prime to 28494920.
28494920 has 32 divisors, whose sum is 65328120
The reverse of 28494920 is 02949482
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred ninety-four thousand nine hundred twenty
Scientific notation
2.8494920 × 10^7
Engineering notation
2.8494920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 53 × 13441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7123730
Product of the distinct prime numbers
The prime factorization of 28494920 is 2 × 2 × 2 × 5 × 53 × 13441.
Since it has a total of 6 prime factors.
9 , 3 , 95 , 81 , 478 , 509 , 1579 , 6981 , 92166 , 30499 , 50498 , 310369 , 5814931 , 7407709 , 20170665 , 74117468 , 249424443 , 785149628 , 7552139343 , 2290120859
n×2
56989840
n×3
85484760
n×4
113979680
n×5
142474600
n÷2
14247460
n÷3
9498306.6666667
n÷3
7123730
n÷5
5698984
n2
811960465806400
n3
2.3136748516316E+22
n4
6.5927979803255E+29
n5
1.8786125102554E+37
2 √n
5338.0633192198
3 √n
305.43758742092
4 √n
73.06205115667
5 √n
30.970875929536
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 53 , 106 , 212 , 265 , 424 , 530 , 1060 , 2120 , 13441 , 26882 , 53764 , 67205 , 107528 , 134410 , 268820 , 537640 , 712373 , 1424746 , 2849492 , 3561865 , 5698984 , 7123730 , 14247460 , 28494920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28494919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28494920 can be divided by 32 positive divisors.
The sum of these divisors (counting 28494920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100101100110001001000
3
Ternary
1222121200200102
4
Quaternary
1230230301020
5
Quinary
24243314140
6
Senary
2454424532
8
Octal
154546110
10
Decimal
28494920
12
Duodecimal
9662148
16
Hexadecimal
1b2cc48
20
Vigesimal
8i1h60
36
Base36
gyqtk
md5
1a58dc6844272bbcc8df2c561a4de19c
sha1
a8802289fdb097505cfc0221f3cef0bcf7da5cc7
sha256
83fa82f840c68cfdb6ad9d382ac945da52260b1f60f928d5fad559f9f7bf4729
sha512
1fa057b503c446c70d3e2bce663e405ef44297bba033261fa1093dbf1bcdbd473117dbbd536967f962e75ccc4aec1c2f147374c037c205d667173ef27ea19770
ripemd-160
2a98768cb14a279681f6d3246b99f3f62b38599c
Diameter
56989840
Circumference
179038862.67326
Area
2.5508490343827E+15
Volume
9.6914985555751E+22
Surface area
1.0203396137531E+16
Circumference
179038862.67326
Perimeter
113979680
Area
811960465806400
Diagonal
40297902.322736
Surface area
4871762794838400
Volume
2.3136748516316E+22
Space diagonal
49354649.197611
Perimeter
85484760
Area
3.5158919512849E+14
Altitude
24677324.598805
Surface area
3.5158919512849E+14
Volume
2.7266919617492E+21
Height
13432634.107579