27991623 is an odd 8-digits composite number following 27991622
and preceding 27991624 . In scientific notation, it is written as 2.7991623 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 16872000 positive integers (up to 27991623) that are relatively prime to 27991623.
27991623 has 16 divisors, whose sum is 40937472
The reverse of 27991623 is 32619972
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-seven million nine hundred ninety-one thousand six hundred twenty-three
Scientific notation
2.7991623 × 10^7
Engineering notation
2.7991623 × 10^6
Prime Factorization
3 × 11 × 191 × 4441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27991623
Product of the distinct prime numbers
The prime factorization of 27991623 is 3 × 11 × 191 × 4441.
Since it has a total of 4 prime factors.
9 , 9 , 44 , 100 , 678 , 991 , 2031 , 3173 , 40367 , 74866 , 400686 , 563013 , 3231000 , 8735172 , 26217594 , 18598365 , 398520360 , 55916816 , 8765367981 , 6092441903
n×2
55983246
n×3
83974869
n×4
111966492
n×5
139958115
n÷2
13995811.5
n÷3
9330541
n÷3
6997905.75
n÷5
5598324.6
n2
783530958174129
n3
2.1932303190039E+22
n4
6.1392076241727E+29
n5
1.7184638533457E+37
2 √n
5290.7110108189
3 √n
303.62861142206
4 √n
72.737273875358
5 √n
30.860688865412
1 , 3 , 11 , 33 , 191 , 573 , 2101 , 4441 , 6303 , 13323 , 48851 , 146553 , 848231 , 2544693 , 9330541 , 27991623
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27991622
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27991623 can be divided by 16 positive divisors.
The sum of these divisors (counting 27991623) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110001111001000111
3
Ternary
1221200010021210
4
Quaternary
1222301321013
5
Quinary
24131212443
6
Senary
2435542503
8
Octal
152617107
10
Decimal
27991623
12
Duodecimal
945aa33
16
Hexadecimal
1ab1e47
20
Vigesimal
8eij13
36
Base36
gnyh3
md5
aebf0bd91fca0f767f620fa37b4a89fa
sha1
dbaa33978f3ceb53f0a87d4b0d94fd5a6beb1c2c
sha256
bfe0ebbf8f79846234b43b7d394894f4191cb6fb3269dfd112b961c90e12a70a
sha512
0b46c0ae9b2caa1ad4804c6112dea182b4e75d242dceba50d67a24324384532b1cec24ab918d9751be6391c73cffb39f1878539968254b9961662461b8a20a01
ripemd-160
7751106e0f4d66d421e832104b0680a78d02429b
Diameter
55983246
Circumference
175876554.35771
Area
2.46153510206E+15
Volume
9.1869816770841E+22
Surface area
9.8461404082401E+15
Circumference
175876554.35771
Perimeter
111966492
Area
783530958174129
Diagonal
39586132.879435
Surface area
4701185749044774
Volume
2.1932303190039E+22
Space diagonal
48482913.222314
Perimeter
83974869
Area
3.3927885721518E+14
Altitude
24241456.611157
Surface area
3.3927885721518E+14
Volume
2.584746718786E+21
Height
13195377.626478