27996986 is an even 8-digits composite number following 27996985
and preceding 27996987 . In scientific notation, it is written as 2.7996986 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 13998492 positive integers (up to 27996986) that are relatively prime to 27996986.
27996986 has 4 divisors, whose sum is 41995482
The reverse of 27996986 is 68969972
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-seven million nine hundred ninety-six thousand nine hundred eighty-six
Scientific notation
2.7996986 × 10^7
Engineering notation
2.7996986 × 10^6
Prime Factorization
2 × 13998493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27996986
Product of the distinct prime numbers
The prime factorization of 27996986 is 2 × 13998493.
Since it has a total of 2 prime factors.
5 , 1 , 64 , 83 , 751 , 953 , 5486 , 8035 , 71395 , 72704 , 663112 , 716289 , 936857 , 9090895 , 6296197 , 6509765 , 322154124 , 493331049 , 2819035675 , 8012827085
n×2
55993972
n×3
83990958
n×4
111987944
n×5
139984930
n÷2
13998493
n÷3
9332328.6666667
n÷3
6999246.5
n÷5
5599397.2
n2
783831225084196
n3
2.1944911835045E+22
n4
6.1439138941699E+29
n5
1.7201107128028E+37
2 √n
5291.2178182343
3 √n
303.64800122617
4 √n
72.740757613832
5 √n
30.861871313403
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27996985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27996986 can be divided by 4 positive divisors.
The sum of these divisors (counting 27996986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110011001100111010
3
Ternary
1221200101122102
4
Quaternary
1222303030322
5
Quinary
24131400421
6
Senary
2440023402
8
Octal
152631472
10
Decimal
27996986
12
Duodecimal
9461b62
16
Hexadecimal
1ab333a
20
Vigesimal
8ejc96
36
Base36
go2m2
md5
826caab703c32e7936d3d064cb1936b9
sha1
1fdcb3ec8d15c6102f4bc12d07bb9dffbfadbd36
sha256
1197e851f12267cfdc70555e9754d91647036ebae17aedc4a86d7a995e12d891
sha512
cc16c24d30ebbeb1ec8261feb0d0a38c7c83cdd6a541ffd43bd39f0ed77c644dd4292d598bd77bb59715faa9c3512a661a6d5444a849075061c1ec15a1032cf3
ripemd-160
7a1c1076afd615a2dce11904e6425dd100f3536e
Diameter
55993972
Circumference
175910251.08051
Area
2.4624784183788E+15
Volume
9.1922631739538E+22
Surface area
9.8499136735152E+15
Circumference
175910251.08051
Perimeter
111987944
Area
783831225084196
Diagonal
39593717.30677
Surface area
4702987350505176
Volume
2.1944911835045E+22
Space diagonal
48492202.210795
Perimeter
83990958
Area
3.394088766012E+14
Altitude
24246101.105397
Surface area
3.394088766012E+14
Volume
2.5862326618502E+21
Height
13197905.768923