28876686 is an even 8-digits composite number following 28876685
and preceding 28876687 . In scientific notation, it is written as 2.8876686 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 9315000 positive integers (up to 28876686) that are relatively prime to 28876686.
28876686 has 16 divisors, whose sum is 59616768
The reverse of 28876686 is 68667882
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million eight hundred seventy-six thousand six hundred eighty-six
Scientific notation
2.8876686 × 10^7
Engineering notation
2.8876686 × 10^6
Prime Factorization
2 × 3 × 31 × 155251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28876686
Product of the distinct prime numbers
The prime factorization of 28876686 is 2 × 3 × 31 × 155251.
Since it has a total of 4 prime factors.
2 , 10 , 52 , 34 , 13 , 922 , 769 , 1430 , 33209 , 38885 , 333459 , 529164 , 9166054 , 2279134 , 92311075 , 20638813 , 991022732 , 992903161 , 6390751090 , 6484079233
n×2
57753372
n×3
86630058
n×4
115506744
n×5
144383430
n÷2
14438343
n÷3
9625562
n÷3
7219171.5
n÷5
5775337.2
n2
833862994342596
n3
2.4079199854651E+22
n4
6.95327493334E+29
n5
2.0078753692173E+37
2 √n
5373.7031923991
3 √n
306.79559297572
4 √n
73.30554680513
5 √n
31.053422350772
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 155251 , 310502 , 465753 , 931506 , 4812781 , 9625562 , 14438343 , 28876686
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
-28876685
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 28876686 can be divided by 16 positive divisors.
The sum of these divisors (counting 28876686) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001001111110001110
3
Ternary
2000100002100220
4
Quaternary
1232021332032
5
Quinary
24343023221
6
Senary
2510532210
8
Octal
156117616
10
Decimal
28876686
12
Duodecimal
9807066
16
Hexadecimal
1b89f8e
20
Vigesimal
909be6
36
Base36
h6xe6
md5
f67e057820a33feabaee1d926305516e
sha1
d070ca52df134f1c93dc55336979eda0e26e6773
sha256
4e75d4a3f67ca7ec1d74031c6d9e29e275cba7e90467566e5d5c940331da890d
sha512
a38c5d8482e509f2295325070621f6a5fbba29541b7efd09df0a1105be9d771c0912f362ccb7603559146abced532b64b815d68a340166c66c763387309cd956
ripemd-160
cf6b412551f2851cc87171c2e27d21b6a8493b42
Diameter
57753372
Circumference
181437569.19524
Area
2.6196578571271E+15
Volume
1.0086271649026E+23
Surface area
1.0478631428508E+16
Circumference
181437569.19524
Perimeter
115506744
Area
833862994342596
Diagonal
40837800.977589
Surface area
5003177966055576
Volume
2.4079199854651E+22
Space diagonal
50015887.306213
Perimeter
86630058
Area
3.6107326818822E+14
Altitude
25007943.653106
Surface area
3.6107326818822E+14
Volume
2.8377609171283E+21
Height
13612600.325863