27991539 is an odd 8-digits composite number following 27991538
and preceding 27991540 . In scientific notation, it is written as 2.7991539 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 18566064 positive integers (up to 27991539) that are relatively prime to 27991539.
27991539 has 8 divisors, whose sum is 31260000
The reverse of 27991539 is 93519972
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-seven million nine hundred ninety-one thousand five hundred thirty-nine
Scientific notation
2.7991539 × 10^7
Engineering notation
2.7991539 × 10^6
Prime Factorization
9 × 199 × 15629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27991539
Product of the distinct prime numbers
The prime factorization of 27991539 is 9 × 199 × 15629.
Since it has a total of 3 prime factors.
9 , 1 , 6 , 94 , 777 , 384 , 1642 , 881 , 73012 , 76740 , 725990 , 682856 , 705774 , 1176591 , 13684250 , 76635691 , 450527336 , 616066645 , 5233325466 , 6076849043
n×2
55983078
n×3
83974617
n×4
111966156
n×5
139957695
n÷2
13995769.5
n÷3
9330513
n÷3
6997884.75
n÷5
5598307.8
n2
783526255588521
n3
2.193210574083E+22
n4
6.1391339319657E+29
n5
1.7184380688284E+37
2 √n
5290.7030723714
3 √n
303.62830770228
4 √n
72.737219306015
5 √n
30.860670343435
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
-27991538
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 27991539 can be divided by 8 positive divisors.
The sum of these divisors (counting 27991539) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110001110111110011
3
Ternary
1221200010011200
4
Quaternary
1222301313303
5
Quinary
24131212124
6
Senary
2435542243
8
Octal
152616763
10
Decimal
27991539
12
Duodecimal
945a983
16
Hexadecimal
1ab1df3
20
Vigesimal
8eiigj
36
Base36
gnyer
md5
529ff0121a1d9b6cdc635ab608f6ccc9
sha1
30e7c254cfbcdc4bb6ea737a43eba7ca520744f5
sha256
83ae67d368e592148667c5f03ff7a505412f91e133289899813f1078b16a7819
sha512
5ec7360ec35e75907f9e904f456bf63501b58a39aa1cf0e1e71419892db02018d2a1d901194e4e941a2dafc90631b6ce3719604cc26484702a7e5b254992a077
ripemd-160
6300d9f86c4405c24ccb4a4d64f897cfaf56dbd7
Diameter
55983078
Circumference
175876026.57014
Area
2.4615203284516E+15
Volume
9.1868989697528E+22
Surface area
9.8460813138065E+15
Circumference
175876026.57014
Perimeter
111966156
Area
783526255588521
Diagonal
39586014.085495
Surface area
4701157533531126
Volume
2.193210574083E+22
Space diagonal
48482767.730046
Perimeter
83974617
Area
3.3927682093588E+14
Altitude
24241383.865023
Surface area
3.3927682093588E+14
Volume
2.5847234491736E+21
Height
13195338.028498