27997645 is an odd 8-digits composite number following 27997644
and preceding 27997646 . In scientific notation, it is written as 2.7997645 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 20611584 positive integers (up to 27997645) that are relatively prime to 27997645.
27997645 has 8 divisors, whose sum is 28515960
The reverse of 27997645 is 54679972
Previous prime number is 569
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-seven million nine hundred ninety-seven thousand six hundred forty-five
Scientific notation
2.7997645 × 10^7
Engineering notation
2.7997645 × 10^6
Prime Factorization
65 × 569 × 757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27997645
Product of the distinct prime numbers
The prime factorization of 27997645 is 65 × 569 × 757.
Since it has a total of 3 prime factors.
1 , 7 , 75 , 75 , 887 , 165 , 7643 , 9079 , 39011 , 25687 , 23360 , 109471 , 7023367 , 1446689 , 29439709 , 26071644 , 492832087 , 564099418 , 5648021977 , 3446276559
n×2
55995290
n×3
83992935
n×4
111990580
n×5
139988225
n÷2
13998822.5
n÷3
9332548.3333333
n÷3
6999411.25
n÷5
5599529
n2
783868125546025
n3
2.1946461505853E+22
n4
6.1444923824704E+29
n5
1.7203131642961E+37
2 √n
5291.2800908665
3 √n
303.6503836548
4 √n
72.741185657552
5 √n
30.862016598911
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27997644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27997645 can be divided by 8 positive divisors.
The sum of these divisors (counting 27997645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110011010111001101
3
Ternary
1221200102112211
4
Quaternary
1222303113031
5
Quinary
24131411040
6
Senary
2440030421
8
Octal
152632715
10
Decimal
27997645
12
Duodecimal
9462411
16
Hexadecimal
1ab35cd
20
Vigesimal
8eje25
36
Base36
go34d
md5
2bf81467f1c2b747b365950196dfd429
sha1
2a19955272ef0304041258146767c339f873132e
sha256
45480fe916ed03600608e9ccabd8c3820a6aac78937017d346dfe39c45a89f7b
sha512
52340b6f830916fe2b6b4cbe033880a7321f38c3283cce7cf0666f93dae0168738ce5fcc8ae858687a19886c7d00069f2234d23257385e5f74167beaf059f7f2
ripemd-160
33e90efa6ee28f59ea7dcb6df8dcaf95e14a346d
Diameter
55995290
Circumference
175914391.69963
Area
2.4625943445986E+15
Volume
9.1929122985439E+22
Surface area
9.8503773783944E+15
Circumference
175914391.69963
Perimeter
111990580
Area
783868125546025
Diagonal
39594649.273507
Surface area
4703208753276150
Volume
2.1946461505853E+22
Space diagonal
48493343.632277
Perimeter
83992935
Area
3.3942485496987E+14
Altitude
24246671.816138
Surface area
3.3942485496987E+14
Volume
2.5864152923064E+21
Height
13198216.424502