27989815 is an odd 8-digits composite number following 27989814
and preceding 27989816 . In scientific notation, it is written as 2.7989815 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 19149984 positive integers (up to 27989815) that are relatively prime to 27989815.
27989815 has 16 divisors, whose sum is 38472192
The reverse of 27989815 is 51898972
Previous prime number is 967
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-seven million nine hundred eighty-nine thousand eight hundred fifteen
Scientific notation
2.7989815 × 10^7
Engineering notation
2.7989815 × 10^6
Prime Factorization
5 × 7 × 967 × 827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27989815
Product of the distinct prime numbers
The prime factorization of 27989815 is 5 × 7 × 967 × 827.
Since it has a total of 4 prime factors.
1 , 1 , 75 , 47 , 62 , 631 , 2763 , 3910 , 66795 , 69746 , 102833 , 537392 , 1567060 , 2627735 , 6595957 , 54381867 , 800101363 , 386141780 , 5066384396 , 8875429343
n×2
55979630
n×3
83969445
n×4
111959260
n×5
139949075
n÷2
13994907.5
n÷3
9329938.3333333
n÷3
6997453.75
n÷5
5597963
n2
783429743734225
n3
2.1928053592618E+22
n4
6.1376216336747E+29
n5
1.7179089406655E+37
2 √n
5290.5401425563
3 √n
303.62207408112
4 √n
72.73609930809
5 √n
30.860290192086
1 , 5 , 7 , 35 , 827 , 967 , 4135 , 4835 , 5789 , 6769 , 28945 , 33845 , 799709 , 3998545 , 5597963 , 27989815
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
-27989814
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 27989815 can be divided by 16 positive divisors.
The sum of these divisors (counting 27989815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110001011100110111
3
Ternary
1221200000210211
4
Quaternary
1222301130313
5
Quinary
24131133230
6
Senary
2435530251
8
Octal
152613467
10
Decimal
27989815
12
Duodecimal
9459987
16
Hexadecimal
1ab1737
20
Vigesimal
8eieaf
36
Base36
gnx2v
md5
fde3b9c29e6597578652806caf544aaf
sha1
0cfe6f04166c49042c2c2d0e9d8fc659dc4f675d
sha256
d260a918d80e4fd4c69c853b61bb490c784b79f717ceadecdf5bae846818c5d5
sha512
b60ef21f8f3de9561400acf50e0816db9061d835fa9e6dd2601798ecdac693eed9c06f7500a51207958ed02b8aee73efcbd3ccf364f1558d9a48020b4b86894f
ripemd-160
07b959952b71f5d48d765be876243df41e142a78
Diameter
55979630
Circumference
175865194.35867
Area
2.4612171275192E+15
Volume
9.1852016098791E+22
Surface area
9.8448685100767E+15
Circumference
175865194.35867
Perimeter
111959260
Area
783429743734225
Diagonal
39583575.981314
Surface area
4700578462405350
Volume
2.1928053592618E+22
Space diagonal
48479781.674453
Perimeter
83969445
Area
3.3923503007709E+14
Altitude
24239890.837227
Surface area
3.3923503007709E+14
Volume
2.5842458989271E+21
Height
13194525.327105