27989743 is an odd 8-digits composite number following 27989742
and preceding 27989744 . In scientific notation, it is written as 2.7989743 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 27966960 positive integers (up to 27989743) that are relatively prime to 27989743.
27989743 has 4 divisors, whose sum is 28012528
The reverse of 27989743 is 34798972
Previous prime number is 1303
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 seven hundred forty-three
Scientific notation
2.7989743 × 10^7
Engineering notation
2.7989743 × 10^6
Prime Factorization
1303 × 21481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27989743
Product of the distinct prime numbers
The prime factorization of 27989743 is 1303 × 21481.
Since it has a total of 2 prime factors.
7 , 4 , 26 , 88 , 721 , 841 , 1948 , 9315 , 86859 , 38161 , 658110 , 39819 , 5947910 , 798669 , 40336008 , 78349393 , 948487005 , 904931172 , 7224320842 , 1170049424
n×2
55979486
n×3
83969229
n×4
111958972
n×5
139948715
n÷2
13994871.5
n÷3
9329914.3333333
n÷3
6997435.75
n÷5
5597948.6
n2
783425713206049
n3
2.1927884372229E+22
n4
6.1375584811241E+29
n5
1.7178868453413E+37
2 √n
5290.5333379537
3 √n
303.6218137387
4 √n
72.736052532109
5 √n
30.860274315289
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
-27989742
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 27989743 can be divided by 4 positive divisors.
The sum of these divisors (counting 27989743) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110001011011101111
3
Ternary
1221200000201011
4
Quaternary
1222301123233
5
Quinary
24131132433
6
Senary
2435530051
8
Octal
152613357
10
Decimal
27989743
12
Duodecimal
9459927
16
Hexadecimal
1ab16ef
20
Vigesimal
8eie73
36
Base36
gnx0v
md5
696e4cf071de86c5ca05d1c38f156dfe
sha1
9641add25541d09ea95abf2b121fbb368c976641
sha256
1729cac738f00c0d9199b32ee0b6b7cd866be6f73e7d3d0a1f047dc49ac3c688
sha512
bb2dcc93e62e2681de9d046cb6869c399aa814934914031f498ce969ad29b3a61a3ac55fe77d40ad057363c9051b78f6fdce59e0ad1fd173b4ff785a25c6f256
ripemd-160
c99ddb96eec7e98405ce697413aca4e5f5921cd0
Diameter
55979486
Circumference
175864741.96933
Area
2.4612044652415E+15
Volume
9.1851307270081E+22
Surface area
9.8448178609659E+15
Circumference
175864741.96933
Perimeter
111958972
Area
783425713206049
Diagonal
39583474.157937
Surface area
4700554279236294
Volume
2.1927884372229E+22
Space diagonal
48479656.966795
Perimeter
83969229
Area
3.3923328480719E+14
Altitude
24239828.483398
Surface area
3.3923328480719E+14
Volume
2.5842259561129E+21
Height
13194491.385979