27993891 is an odd 8-digits composite number following 27993890
and preceding 27993892 . In scientific notation, it is written as 2.7993891 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 18662592 positive integers (up to 27993891) that are relatively prime to 27993891.
27993891 has 4 divisors, whose sum is 37325192
The reverse of 27993891 is 19839972
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-seven million nine hundred ninety-three thousand eight hundred ninety-one
Scientific notation
2.7993891 × 10^7
Engineering notation
2.7993891 × 10^6
Prime Factorization
3 × 9331297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27993891
Product of the distinct prime numbers
The prime factorization of 27993891 is 3 × 9331297.
Since it has a total of 2 prime factors.
6 , 8 , 31 , 66 , 354 , 908 , 9383 , 8301 , 63830 , 86942 , 337924 , 768498 , 9349179 , 8485632 , 45416579 , 83922941 , 29285123 , 44902780 , 1710844921 , 5795599751
n×2
55987782
n×3
83981673
n×4
111975564
n×5
139969455
n÷2
13996945.5
n÷3
9331297
n÷3
6998472.75
n÷5
5598778.2
n2
783657933319881
n3
2.1937634766642E+22
n4
6.1411975645519E+29
n5
1.7191601523153E+37
2 √n
5290.9253443987
3 √n
303.63681162649
4 √n
72.73874720119
5 √n
30.861188941981
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
-27993890
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 27993891 can be divided by 4 positive divisors.
The sum of these divisors (counting 27993891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110010011100100011
3
Ternary
1221200020101210
4
Quaternary
1222302130203
5
Quinary
24131301031
6
Senary
2440001203
8
Octal
152623443
10
Decimal
27993891
12
Duodecimal
9460203
16
Hexadecimal
1ab2723
20
Vigesimal
8ej4eb
36
Base36
go083
md5
536a533d795a3e70f784bf8df2845554
sha1
988fd730d03cd6fc8ee0050da883fe24a3f1573a
sha256
10442c4ca29f21e681b5c4bcaca5423a587c1dbc0bdb0290caf188dcf1cfad33
sha512
54ce6f0f109fc2fa6276159ab6c15df76cd51441f886343b9ab15e9aca2723d389828c6d9d639d8a9ca758ce6c2b827e9155bfb0849a6abb0b932620fae65192
ripemd-160
4c9b6194238f486f1a8bcb76caed9667a612bbb7
Diameter
55987782
Circumference
175890804.62199
Area
2.4619340062451E+15
Volume
9.1892149626691E+22
Surface area
9.8477360249804E+15
Circumference
175890804.62199
Perimeter
111975564
Area
783657933319881
Diagonal
39589340.315794
Surface area
4701947599919286
Volume
2.1937634766642E+22
Space diagonal
48486841.513545
Perimeter
83981673
Area
3.3933383906611E+14
Altitude
24243420.756773
Surface area
3.3933383906611E+14
Volume
2.5853750511144E+21
Height
13196446.771931