28706 is an even 5-digits composite number following 28705
and preceding 28707 . In scientific notation, it is written as 2.8706 × 10^4.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 13860 positive integers (up to 28706) that are relatively prime to 28706.
28706 has 8 divisors, whose sum is 44544
The reverse of 28706 is 60782
Previous prime number is 31
Is Prime? no
Number parity even
Number length 5
Sum of Digits 23
Digital Root 5
Name
twenty-eight thousand seven hundred six
Scientific notation
2.8706 × 10^4
Engineering notation
2.8706 × 10^3
Prime Factorization
2 × 31 × 463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28706
Product of the distinct prime numbers
The prime factorization of 28706 is 2 × 31 × 463.
Since it has a total of 3 prime factors.
2 , 10 , 86 , 44 , 891 , 820 , 1541 , 331 , 83901 , 5556 , 766792 , 282024 , 9875768 , 2544305 , 86922388 , 80432671 , 301699278 , 830323180 , 2198725814 , 2857487954
n×2
57412
n×3
86118
n×4
114824
n×5
143530
n÷2
14353
n÷3
9568.6666666667
n÷3
7176.5
n÷5
5741.2
n2
824034436
n3
23654732519816
n4
679032751713838096
n5
1.9492314170697E+22
2 √n
169.42845097563
3 √n
30.618992296487
4 √n
13.016468452527
5 √n
7.7910238909632
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28705
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28706 can be divided by 8 positive divisors.
The sum of these divisors (counting 28706) is 1, the average is 0.125.
Base
System
Value
2
Binary
111000000100010
3
Ternary
1110101012
4
Quaternary
13000202
5
Quinary
1404311
6
Senary
340522
8
Octal
70042
10
Decimal
28706
12
Duodecimal
14742
16
Hexadecimal
7022
20
Vigesimal
3bf6
36
Base36
m5e
md5
382c43c484ddee6d1c699d2fd5980d32
sha1
2a6d877937c68d72fd4c67a4d724fed4eb5e8e93
sha256
f488362d97b15e5cd30b9ad3e2ecc6b56454fd307a812e6ac7618a42601c0fc5
sha512
a144b973cf1564ced266415b30d655fd2434617c9ab1d688b57ceca25a49a68a86765e2df6abbc2ee139c9990697c65b5786df13dd7fb28a0d35c8f2e25d8a95
ripemd-160
693d99dab1eff0fec8af23fdf80deb02e8cae19a
Diameter
57412
Circumference
180365.1174279
Area
2588780530.4426
Volume
99084711875847
Surface area
10355122121.77
Circumference
180365.1174279
Perimeter
114824
Area
824034436
Diagonal
40596.414521482
Surface area
4944206616
Volume
23654732519816
Space diagonal
49720.250482072
Perimeter
86118
Area
356817377.58459
Altitude
24860.125241036
Surface area
356817377.58459
Volume
2787736961986
Height
13532.138173827