28709898 is an even 8-digits composite number following 28709897
and preceding 28709899 . In scientific notation, it is written as 2.8709898 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 8171328 positive integers (up to 28709898) that are relatively prime to 28709898.
28709898 has 16 divisors, whose sum is 45288936
The reverse of 28709898 is 89890782
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million seven hundred nine thousand eight hundred ninety-eight
Scientific notation
2.8709898 × 10^7
Engineering notation
2.8709898 × 10^6
Prime Factorization
2 × 21 × 293 × 2333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28709898
Product of the distinct prime numbers
The prime factorization of 28709898 is 2 × 21 × 293 × 2333.
Since it has a total of 4 prime factors.
1 , 6 , 49 , 20 , 22 , 932 , 3759 , 7913 , 57736 , 17887 , 423281 , 714377 , 4183904 , 3161206 , 24110867 , 62529462 , 1960328 , 361557144 , 2520438617 , 9111190115
n×2
57419796
n×3
86129694
n×4
114839592
n×5
143549490
n÷2
14354949
n÷3
9569966
n÷3
7177474.5
n÷5
5741979.6
n2
824258243170404
n3
2.3664370087081E+22
n4
6.7940165143436E+29
n5
1.9505552113712E+37
2 √n
5358.1618116664
3 √n
306.20378155774
4 √n
73.199465924735
5 √n
31.017467075856
1 , 2 , 21 , 42 , 293 , 586 , 2333 , 4666 , 6153 , 12306 , 48993 , 97986 , 683569 , 1367138 , 14354949 , 28709898
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
-28709897
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 28709898 can be divided by 16 positive divisors.
The sum of these divisors (counting 28709898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101100001010000001010
3
Ternary
2000000121120120
4
Quaternary
1231201100022
5
Quinary
24322204043
6
Senary
2503204110
8
Octal
155412012
10
Decimal
28709898
12
Duodecimal
9746636
16
Hexadecimal
1b6140a
20
Vigesimal
8j8eei
36
Base36
h3cp6
md5
6d7a81ad31033a5107cbdbdc0fb2259f
sha1
63395dd606c55cee33f174dd341892579182882d
sha256
6bdcb804205ab6e9ae5e2d2e28721a150729495025cd07da0c5baa507f5b543b
sha512
159ad545874c12d2076525cd52a0a6842daf9372942cb76a1b26d2198c444ca12c3f11d3ff86199df00bd64bb91fe8add24ba2f910eb09c8ec26c124ed535ec2
ripemd-160
c8feaf0c74ee50d573506f5977b29e094753475c
Diameter
57419796
Circumference
180389609.28422
Area
2.589483641405E+15
Volume
9.9125081623207E+22
Surface area
1.035793456562E+16
Circumference
180389609.28422
Perimeter
114839592
Area
824258243170404
Diagonal
40601927.125948
Surface area
4945549459022424
Volume
2.3664370087081E+22
Space diagonal
49727002.01612
Perimeter
86129694
Area
3.5691428893215E+14
Altitude
24863501.00806
Surface area
3.5691428893215E+14
Volume
2.7888727601806E+21
Height
13533975.708649