27988081 is an odd 8-digits composite number following 27988080
and preceding 27988082 . In scientific notation, it is written as 2.7988081 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 24523200 positive integers (up to 27988081) that are relatively prime to 27988081.
27988081 has 16 divisors, whose sum is 31658688
The reverse of 27988081 is 18088972
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-seven million nine hundred eighty-eight thousand eighty-one
Scientific notation
2.7988081 × 10^7
Engineering notation
2.7988081 × 10^6
Prime Factorization
11 × 61 × 53 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27988081
Product of the distinct prime numbers
The prime factorization of 27988081 is 11 × 61 × 53 × 787.
Since it has a total of 4 prime factors.
5 , 6 , 24 , 29 , 758 , 364 , 6316 , 1504 , 29576 , 92630 , 350855 , 7189 , 5659070 , 53182 , 38284550 , 20293176 , 103826384 , 505390806 , 8381568199 , 4458602733
n×2
55976162
n×3
83964243
n×4
111952324
n×5
139940405
n÷2
13994040.5
n÷3
9329360.3333333
n÷3
6997020.25
n÷5
5597616.2
n2
783332678062561
n3
2.1923978443562E+22
n4
6.1361008452066E+29
n5
1.7173768747981E+37
2 √n
5290.3762626112
3 √n
303.61580404386
4 √n
72.734972761466
5 √n
30.859907816788
1 , 11 , 53 , 61 , 583 , 671 , 787 , 3233 , 8657 , 35563 , 41711 , 48007 , 458821 , 528077 , 2544371 , 27988081
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
-27988080
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 27988081 can be divided by 16 positive divisors.
The sum of these divisors (counting 27988081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110001000001110001
3
Ternary
1221122221102121
4
Quaternary
1222301001301
5
Quinary
24131104311
6
Senary
2435514241
8
Octal
152610161
10
Decimal
27988081
12
Duodecimal
9458981
16
Hexadecimal
1ab1071
20
Vigesimal
8eia41
36
Base36
gnvqp
md5
2f55fced9e689ddeb87f16b1b840c813
sha1
6ef78b0c8cd54b5b9bc6a53502cd24d217f72fed
sha256
c9bb64d8ff959aff34e18cdc7a6e34a294479db3539f5e82db61dc14a48050b5
sha512
e132cfc20d9372a161235f32f1f401a8d5a38d5527e13a82dfa864da228b5c1ecb6bb5f1006171d8dcb731709612db873f85a42f0f4c243135e0028dea2cd1b3
ripemd-160
5563567513cbf29717ab1ca851ceddd2d02fbdfc
Diameter
55976162
Circumference
175854299.31535
Area
2.4609121867182E+15
Volume
9.183494615434E+22
Surface area
9.8436487468726E+15
Circumference
175854299.31535
Perimeter
111952324
Area
783332678062561
Diagonal
39581123.734997
Surface area
4699996068375366
Volume
2.1923978443562E+22
Space diagonal
48476778.298353
Perimeter
83964243
Area
3.3919299940834E+14
Altitude
24238389.149177
Surface area
3.3919299940834E+14
Volume
2.583765638005E+21
Height
13193707.911666