28165890 is an even 8-digits composite number following 28165889
and preceding 28165891 . In scientific notation, it is written as 2.8165890 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 7432704 positive integers (up to 28165890) that are relatively prime to 28165890.
28165890 has 32 divisors, whose sum is 68302080
The reverse of 28165890 is 09856182
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-five thousand eight hundred ninety
Scientific notation
2.8165890 × 10^7
Engineering notation
2.8165890 × 10^6
Prime Factorization
2 × 3 × 5 × 97 × 9679
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28165890
Product of the distinct prime numbers
The prime factorization of 28165890 is 2 × 3 × 5 × 97 × 9679.
Since it has a total of 5 prime factors.
4 , 1 , 67 , 54 , 386 , 101 , 6066 , 136 , 36720 , 68337 , 734420 , 691094 , 6040353 , 3634523 , 35392598 , 82261709 , 708787940 , 571967903 , 478581555 , 4266064633
n×2
56331780
n×3
84497670
n×4
112663560
n×5
140829450
n÷2
14082945
n÷3
9388630
n÷3
7041472.5
n÷5
5633178
n2
793317359492100
n3
2.2344489482545E+22
n4
6.2935243287152E+29
n5
1.7726271395492E+37
2 √n
5307.1546048707
3 √n
304.25740692576
4 √n
72.850220348813
5 √n
30.899019310103
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 97 , 194 , 291 , 485 , 582 , 970 , 1455 , 2910 , 9679 , 19358 , 29037 , 48395 , 58074 , 96790 , 145185 , 290370 , 938863 , 1877726 , 2816589 , 4694315 , 5633178 , 9388630 , 14082945 , 28165890
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
-28165889
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 28165890 can be divided by 32 positive divisors.
The sum of these divisors (counting 28165890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011011100011100000010
3
Ternary
1221222222100010
4
Quaternary
1223130130002
5
Quinary
24202302030
6
Senary
2443405350
8
Octal
153343402
10
Decimal
28165890
12
Duodecimal
9523856
16
Hexadecimal
1adc702
20
Vigesimal
8g0eea
36
Base36
groxu
md5
4749d45d0a4991f224ba814093ea8a5e
sha1
4645a463e1b71e40d719ecce7e0b6718d7659226
sha256
676921adf7352d49cbde9a94b022b9b43205747652403d4109935572d95ac95c
sha512
f9ba96da9c60e1a43d9acfc017a90800ca1d2ca111af0c5a70a5283665865a24c2945b56fb8882aa8a89e6d26f5f212d85a0fe1fbff6d22cd8c6b05fc7d314fa
ripemd-160
a94b1050481d6255ebd6df0a4cec5c07a0a6b06c
Diameter
56331780
Circumference
176971506.21164
Area
2.4922799885456E+15
Volume
9.3596378675437E+22
Surface area
9.9691199541825E+15
Circumference
176971506.21164
Perimeter
112663560
Area
793317359492100
Diagonal
39832583.634309
Surface area
4759904156952600
Volume
2.2344489482545E+22
Space diagonal
48784752.520396
Perimeter
84497670
Area
3.4351649329168E+14
Altitude
24392376.260198
Surface area
3.4351649329168E+14
Volume
2.6333233392098E+21
Height
13277527.878103