28490690 is an even 8-digits composite number following 28490689
and preceding 28490691 . In scientific notation, it is written as 2.8490690 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 10692864 positive integers (up to 28490690) that are relatively prime to 28490690.
28490690 has 32 divisors, whose sum is 54501120
The reverse of 28490690 is 09609482
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred ninety thousand six hundred ninety
Scientific notation
2.8490690 × 10^7
Engineering notation
2.8490690 × 10^6
Prime Factorization
2 × 5 × 19 × 113 × 1327
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28490690
Product of the distinct prime numbers
The prime factorization of 28490690 is 2 × 5 × 19 × 113 × 1327.
Since it has a total of 5 prime factors.
7 , 4 , 18 , 7 , 116 , 853 , 23 , 6581 , 35787 , 36172 , 75442 , 937009 , 781686 , 2725754 , 9933424 , 65163008 , 263538253 , 850313008 , 2371181172 , 1484850988
n×2
56981380
n×3
85472070
n×4
113962760
n×5
142453450
n÷2
14245345
n÷3
9496896.6666667
n÷3
7122672.5
n÷5
5698138
n2
811719416676100
n3
2.31264462675E+22
n4
6.5888841140899E+29
n5
1.8772185474046E+37
2 √n
5337.6670934033
3 √n
305.42247285627
4 √n
73.059339535772
5 √n
30.969956365032
1 , 2 , 5 , 10 , 19 , 38 , 95 , 113 , 190 , 226 , 565 , 1130 , 1327 , 2147 , 2654 , 4294 , 6635 , 10735 , 13270 , 21470 , 25213 , 50426 , 126065 , 149951 , 252130 , 299902 , 749755 , 1499510 , 2849069 , 5698138 , 14245345 , 28490690
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
-28490689
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 28490690 can be divided by 32 positive divisors.
The sum of these divisors (counting 28490690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100101011101111000010
3
Ternary
1222121110212202
4
Quaternary
1230223233002
5
Quinary
24243200230
6
Senary
2454353202
8
Octal
154535702
10
Decimal
28490690
12
Duodecimal
965b802
16
Hexadecimal
1b2bbc2
20
Vigesimal
8i16ea
36
Base36
gynk2
md5
63bc014546ea3383e15d9f84dd921ee3
sha1
261e8f5ba61b815faf49a311e03855d6d2d174ae
sha256
336fba67bd043f7135a5ac1425a5869d6bce2c9473e538762e47ed3f45d37360
sha512
80e0427df536b9b610e57c0a532cbd375025bbc4b9f38984cfcc20132a1c3ee23f3ce0900ec5834741242ee37d6e3aa1fa4e5d7c00dc316743a32c9a5ed7938c
ripemd-160
b3395c70530096ae80ab1226cd553e499b3ca991
Diameter
56981380
Circumference
179012284.79941
Area
2.5500917562058E+15
Volume
9.6871831596821E+22
Surface area
1.0200367024823E+16
Circumference
179012284.79941
Perimeter
113962760
Area
811719416676100
Diagonal
40291920.199368
Surface area
4870316500056600
Volume
2.31264462675E+22
Space diagonal
49347322.622695
Perimeter
85472070
Area
3.5148481779329E+14
Altitude
24673661.311347
Surface area
3.5148481779329E+14
Volume
2.7254778300825E+21
Height
13430640.066456