28490894 is an even 8-digits composite number following 28490893
and preceding 28490895 . In scientific notation, it is written as 2.8490894 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 14245446 positive integers (up to 28490894) that are relatively prime to 28490894.
28490894 has 4 divisors, whose sum is 42736344
The reverse of 28490894 is 49809482
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million four hundred ninety thousand eight hundred ninety-four
Scientific notation
2.8490894 × 10^7
Engineering notation
2.8490894 × 10^6
Prime Factorization
2 × 14245447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28490894
Product of the distinct prime numbers
The prime factorization of 28490894 is 2 × 14245447.
Since it has a total of 2 prime factors.
5 , 9 , 82 , 78 , 622 , 3 , 9845 , 6609 , 4511 , 90020 , 206432 , 911792 , 1733701 , 3897328 , 67601337 , 93287785 , 643502068 , 751250373 , 3350069941 , 9903842828
n×2
56981788
n×3
85472682
n×4
113963576
n×5
142454470
n÷2
14245447
n÷3
9496964.6666667
n÷3
7122723.5
n÷5
5698178.8
n2
811731040919236
n3
2.312694304334E+22
n4
6.5890728279183E+29
n5
1.877285754985E+37
2 √n
5337.6862028411
3 √n
305.42320181996
4 √n
73.059470315908
5 √n
30.97000071533
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
-28490893
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 28490894 can be divided by 4 positive divisors.
The sum of these divisors (counting 28490894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011110010001110
3
Ternary
1222121111011022
4
Quaternary
1230223302032
5
Quinary
24243202034
6
Senary
2454354142
8
Octal
154536216
10
Decimal
28490894
12
Duodecimal
965b952
16
Hexadecimal
1b2bc8e
20
Vigesimal
8i174e
36
Base36
gynpq
md5
602e7a6ccdce813c489904885c35a66e
sha1
5c7fff1aba11e2cc496da896df136289e94b2287
sha256
0f4b3d7d4273f13c3654f14d16483c89118e4f8ccafba15c6f72b94cc875232f
sha512
517ff4898394f114a78fb97cfa3e31f22d9e7b97593df9ef2e861f1dacfa39245f49a1c43178d5bb326eeca0a77692aa94392a5e6467b5b73841618a003aebdf
ripemd-160
dbda269c8ed9ff5cd16a0a1da4e8fb537f0d2cf0
Diameter
56981788
Circumference
179013566.56921
Area
2.5501282748427E+15
Volume
9.6873912486594E+22
Surface area
1.0200513099371E+16
Circumference
179013566.56921
Perimeter
113963576
Area
811731040919236
Diagonal
40292208.698934
Surface area
4870386245515416
Volume
2.312694304334E+22
Space diagonal
49347675.961059
Perimeter
85472682
Area
3.5148985123822E+14
Altitude
24673837.98053
Surface area
3.5148985123822E+14
Volume
2.7255363756767E+21
Height
13430736.232978