28695890 is an even 8-digits composite number following 28695889
and preceding 28695891 . In scientific notation, it is written as 2.8695890 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 10872864 positive integers (up to 28695890) that are relatively prime to 28695890.
28695890 has 16 divisors, whose sum is 45792000
The reverse of 28695890 is 09859682
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million six hundred ninety-five thousand eight hundred ninety
Scientific notation
2.8695890 × 10^7
Engineering notation
2.8695890 × 10^6
Prime Factorization
2 × 95 × 19 × 7949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28695890
Product of the distinct prime numbers
The prime factorization of 28695890 is 2 × 95 × 19 × 7949.
Since it has a total of 4 prime factors.
8 , 6 , 17 , 23 , 776 , 209 , 7266 , 8211 , 53182 , 94313 , 701759 , 774857 , 8132994 , 3028572 , 76744711 , 67340757 , 716215900 , 384971459 , 9746766087 , 2737785226
n×2
57391780
n×3
86087670
n×4
114783560
n×5
143479450
n÷2
14347945
n÷3
9565296.6666667
n÷3
7173972.5
n÷5
5739178
n2
823454102892100
n3
2.362974835664E+22
n4
6.7807665956983E+29
n5
1.9458013234583E+37
2 √n
5356.8544874768
3 √n
306.15397294741
4 √n
73.190535504782
5 √n
31.014439705282
1 , 2 , 19 , 38 , 95 , 190 , 1805 , 3610 , 7949 , 15898 , 151031 , 302062 , 755155 , 1510310 , 14347945 , 28695890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28695889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28695890 can be divided by 16 positive divisors.
The sum of these divisors (counting 28695890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011101110101010010
3
Ternary
1222222220100202
4
Quaternary
1231131311102
5
Quinary
24321232030
6
Senary
2503015202
8
Octal
155356522
10
Decimal
28695890
12
Duodecimal
973a502
16
Hexadecimal
1b5dd52
20
Vigesimal
8j6jea
36
Base36
h31w2
md5
f5a8d52a9e6c4209c69ff793776f0e93
sha1
557cb72ae4977a87b05a4986771a3310c174b406
sha256
9760623c9f49607194d975c5a57ac78c74f88bf8bbe27fb219125bc513d67611
sha512
de87a1c424b291cb3dad28624d395cb97718163b0d16485cc528b7ab4af88f3d2e38e8104243b2726f1792cbbb8cc960a12f1ce262a3124d1ca0abae18b4a7e4
ripemd-160
6a0e73709a4db01afe85818f0e600995164b7703
Diameter
57391780
Circumference
180301594.42444
Area
2.5869573602142E+15
Volume
9.8980058457863E+22
Surface area
1.0347829440857E+16
Circumference
180301594.42444
Perimeter
114783560
Area
823454102892100
Diagonal
40582116.822366
Surface area
4940724617352600
Volume
2.362974835664E+22
Space diagonal
49702739.448408
Perimeter
86087670
Area
3.5656608597754E+14
Altitude
24851369.724204
Surface area
3.5656608597754E+14
Volume
2.7847925501187E+21
Height
13527372.274122