28706987 is an odd 8-digits prime number following 28706986
and preceding 28706988 . In scientific notation, it is written as 2.8706987 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 28706986 positive integers (up to 28706987) that are relatively prime to 28706987.
28706987 has 2 divisors, whose sum is 28706988
The reverse of 28706987 is 78960782
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million seven hundred six thousand nine hundred eighty-seven
Scientific notation
2.8706987 × 10^7
Engineering notation
2.8706987 × 10^6
Prime Factorization
28706987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28706987
Product of the distinct prime numbers
The prime factorization of 28706987 is 28706987.
Since it has a total of 1 prime factors.
3 , 2 , 49 , 40 , 327 , 296 , 109 , 593 , 32206 , 56930 , 635622 , 65047 , 4793540 , 2348744 , 32666226 , 987452 , 321131200 , 288638693 , 3448401426 , 1399502373
n×2
57413974
n×3
86120961
n×4
114827948
n×5
143534935
n÷2
14353493.5
n÷3
9568995.6666667
n÷3
7176746.75
n÷5
5741397.4
n2
824091102618169
n3
2.3657172569675E+22
n4
6.7912614541443E+29
n5
1.9495665427772E+37
2 √n
5357.8901631146
3 √n
306.19343217306
4 √n
73.197610364783
5 √n
31.016838055795
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28706988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14353494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5357.8902564349
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999303306
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28706987 can be divided by 2 positive divisors.
The sum of these divisors (counting 28706987) is 28706988, the average is 14353494.
Base
System
Value
2
Binary
1101101100000100010101011
3
Ternary
2000000110120202
4
Quaternary
1231200202223
5
Quinary
24322110422
6
Senary
2503142415
8
Octal
155404253
10
Decimal
28706987
12
Duodecimal
9744a0b
16
Hexadecimal
1b608ab
20
Vigesimal
8j8797
36
Base36
h3agb
md5
2486dffaccef34dd82182b3d975b6380
sha1
9068d5eb46b55fb5c8e39de6ad38dc6fd409d01a
sha256
b4943e5442522ee46d0a8128b7149f78181149a41a821b423b908145f1862164
sha512
c86ae257ecc5584f0200d660265aa9fc110f151cf84bacb4fedb197fd536482e89473bcf5ce36969d9db11cbde7a0d1fa6a3e291feb75f0a1e8bd607ffe8b9fc
ripemd-160
e52d28e03b2700823f02d3cd0cd3277da506c282
Diameter
57413974
Circumference
180371318.9318
Area
2.588958553874E+15
Volume
9.9094932732798E+22
Surface area
1.0355834215496E+16
Circumference
180371318.9318
Perimeter
114827948
Area
824091102618169
Diagonal
40597810.350268
Surface area
4944546615709014
Volume
2.3657172569675E+22
Space diagonal
49721960.016219
Perimeter
86120961
Area
3.5684191495003E+14
Altitude
24860980.00811
Surface area
3.5684191495003E+14
Volume
2.7880245246196E+21
Height
13532603.450089