27779945 is an odd 8-digits composite number following 27779944
and preceding 27779946 . In scientific notation, it is written as 2.7779945 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 22223952 positive integers (up to 27779945) that are relatively prime to 27779945.
27779945 has 4 divisors, whose sum is 33335940
The reverse of 27779945 is 54997772
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-seven million seven hundred seventy-nine thousand nine hundred forty-five
Scientific notation
2.7779945 × 10^7
Engineering notation
2.7779945 × 10^6
Prime Factorization
5 × 5555989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27779945
Product of the distinct prime numbers
The prime factorization of 27779945 is 5 × 5555989.
Since it has a total of 2 prime factors.
5 , 5 , 87 , 71 , 640 , 308 , 1945 , 1054 , 97533 , 57447 , 656505 , 30220 , 919050 , 3859027 , 16418435 , 62018649 , 522958125 , 381324178 , 426227233 , 4450774427
n×2
55559890
n×3
83339835
n×4
111119780
n×5
138899725
n÷2
13889972.5
n÷3
9259981.6666667
n÷3
6944986.25
n÷5
5555989
n2
771725344203025
n3
2.1438487617066E+22
n4
5.9556000688528E+29
n5
1.6544624235473E+37
2 √n
5270.6683636898
3 √n
302.86130814212
4 √n
72.599368893192
5 √n
30.813872150816
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
-27779944
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 27779945 can be divided by 4 positive divisors.
The sum of these divisors (counting 27779945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001111110001101101001
3
Ternary
1221021100220212
4
Quaternary
1221332031221
5
Quinary
24102424240
6
Senary
2431230505
8
Octal
151761551
10
Decimal
27779945
12
Duodecimal
9378435
16
Hexadecimal
1a7e369
20
Vigesimal
8dc9h5
36
Base36
gjf55
md5
bff561c52944bd2955164850cf8421b3
sha1
87f37e2bb583cc292bb17c75d25033c43b953887
sha256
93d49ae673c4f529e2b019f431fed0e2555afff128244572347ba3c9a132d3e8
sha512
a40cb84d78604e5296037847f06520657d8aee972e3465503d19ead052fb664737781b1bd04f97be784c0afeac17c3f71d90fbdc1d32912f15f6d2826303bd1c
ripemd-160
6c6cb7d051ac37803cdf6d3a6673c07dc97d6a0e
Diameter
55559890
Circumference
174546542.25826
Area
2.4244466719373E+15
Volume
8.9801326935801E+22
Surface area
9.6977866877491E+15
Circumference
174546542.25826
Perimeter
111119780
Area
771725344203025
Diagonal
39286774.980979
Surface area
4630352065218150
Volume
2.1438487617066E+22
Space diagonal
48116276.171469
Perimeter
83339835
Area
3.3416687641205E+14
Altitude
24058138.085734
Surface area
3.3416687641205E+14
Volume
2.5265499954019E+21
Height
13095591.660326