27989891 is an odd 8-digits prime number following 27989890
and preceding 27989892 . In scientific notation, it is written as 2.7989891 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 27989890 positive integers (up to 27989891) that are relatively prime to 27989891.
27989891 has 2 divisors, whose sum is 27989892
The reverse of 27989891 is 19898972
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
twenty-seven million nine hundred eighty-nine thousand eight hundred ninety-one
Scientific notation
2.7989891 × 10^7
Engineering notation
2.7989891 × 10^6
Prime Factorization
27989891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
27989891 Product of the distinct prime numbers
The prime factorization of 27989891 is 27989891.
Since it has a total of 1 prime factors.
8 , 2 , 10 , 68 , 107 , 907 , 5456 , 2293 , 71042 , 92098 , 99644 , 334218 , 3297521 , 9150147 , 80821566 , 93451316 , 542361445 , 437432987 , 6317279268 , 5852906404
n×2
55979782
n×3
83969673
n×4
111959564
n×5
139949455
n÷2
13994945.5
n÷3
9329963.6666667
n÷3
6997472.75
n÷5
5597978.2
n2
783433998191881
n3
2.1928232215085E+22
n4
6.1376882952292E+29
n5
1.7179322637544E+37
2 √n5290.5473251829
3 √n303.62234888652
4 √n72.736148682639
5 √n30.860306950893
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
27989892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
13994946 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5290.5474196911 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999285456 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27989891 can be divided by 2 positive divisors.
The sum of these divisors (counting 27989891) is 27989892, the average is 13994946.
Base
System
Value
2
Binary
1101010110001011110000011
3
Ternary
1221200000220122
4
Quaternary
1222301132003
5
Quinary
24131134031
6
Senary
2435530455
8
Octal
152613603
10
Decimal
27989891
12
Duodecimal
9459a2b
16
Hexadecimal
1ab1783
20
Vigesimal
8eieeb
36
Base36
gnx4z
md5
203da4903e99690ffead72888c3bad31
sha1
e0b986f560dcfc0f5a6c069dcc9565a5805abf39
sha256
e5acbefae750812a7a5a81f8a4bb978d3ef3c4bc0664e53136b552d8021f575a
sha512
5a171ce91e54074c408777001af3f1282a0fd171871c534524922456ca854dd9e09979c24e263f4e1a67eaff209dbf8a93aecf2006b189d95f7037e8c36e2046
ripemd-160
473b45465534c3b7c7ff1fcedc5a06c89cdee6ce
Diameter
55979782
Circumference
175865671.88076
Area
2.4612304932921E+15
Volume
9.1852764310829E+22
Surface area
9.8449219731684E+15
Circumference
175865671.88076
Perimeter
111959564
Area
783433998191881
Diagonal
39583683.461545
Surface area
4700603989151286
Volume
2.1928232215085E+22
Space diagonal
48479913.310315
Perimeter
83969673
Area
3.3923687231129E+14
Altitude
24239956.655157
Surface area
3.3923687231129E+14
Volume
2.5842669497866E+21
Height
13194561.153848