27943987 is an odd 8-digits composite number following 27943986
and preceding 27943988 . In scientific notation, it is written as 2.7943987 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 27928576 positive integers (up to 27943987) that are relatively prime to 27943987.
27943987 has 4 divisors, whose sum is 27959400
The reverse of 27943987 is 78934972
Previous prime number is 2099
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-seven million nine hundred forty-three thousand nine hundred eighty-seven
Scientific notation
2.7943987 × 10^7
Engineering notation
2.7943987 × 10^6
Prime Factorization
2099 × 13313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27943987
Product of the distinct prime numbers
The prime factorization of 27943987 is 2099 × 13313.
Since it has a total of 2 prime factors.
5 , 9 , 84 , 37 , 645 , 959 , 5426 , 2852 , 99444 , 43653 , 911716 , 511496 , 1370659 , 5000219 , 77568733 , 36613304 , 181818845 , 530893608 , 9437190027 , 271467107
n×2
55887974
n×3
83831961
n×4
111775948
n×5
139719935
n÷2
13971993.5
n÷3
9314662.3333333
n÷3
6985996.75
n÷5
5588797.4
n2
780866409456169
n3
2.182052079458E+22
n4
6.0975234941697E+29
n5
1.7038911725327E+37
2 √n
5286.2072414918
3 √n
303.45627575551
4 √n
72.70630812723
5 √n
30.850177995731
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
-27943986
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 27943987 can be divided by 4 positive divisors.
The sum of these divisors (counting 27943987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010100110010000110011
3
Ternary
1221120200221111
4
Quaternary
1222212100303
5
Quinary
24123201422
6
Senary
2434534151
8
Octal
152462063
10
Decimal
27943987
12
Duodecimal
9437357
16
Hexadecimal
1aa6433
20
Vigesimal
8ecjj7
36
Base36
gmxpv
md5
52d048e3aa88fcdae7b41edec9b30111
sha1
ef9ad5325c4375b9628ebf98e19a064c8ed6267c
sha256
38265add59afbf2ff16cdf449a7f5be019f2cbeebcc44a97523a470479175216
sha512
3c34f6c4ac04b84ef15ae532ff6b92d0fbeb890bd34c0aaa7bb9c6bc170c8347cccfa31ed8a054568d46728a083990ee26491305899b58bed23b593ec79cb03f
ripemd-160
4cb5955707cb5ea4b35f7b6e70c45225ddba33fe
Diameter
55887974
Circumference
175577248.54242
Area
2.4531641753825E+15
Volume
9.1401583767674E+22
Surface area
9.8126567015302E+15
Circumference
175577248.54242
Perimeter
111775948
Area
780866409456169
Diagonal
39518765.402177
Surface area
4685198456737014
Volume
2.182052079458E+22
Space diagonal
48400405.250044
Perimeter
83831961
Area
3.3812507377549E+14
Altitude
24200202.625022
Surface area
3.3812507377549E+14
Volume
2.5715730371449E+21
Height
13172921.800726