26812981 is an odd 8-digits composite number following 26812980
and preceding 26812982 . In scientific notation, it is written as 2.6812981 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 24750432 positive integers (up to 26812981) that are relatively prime to 26812981.
26812981 has 4 divisors, whose sum is 28875532
The reverse of 26812981 is 18921862
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-six million eight hundred twelve thousand nine hundred eighty-one
Scientific notation
2.6812981 × 10^7
Engineering notation
2.6812981 × 10^6
Prime Factorization
13 × 2062537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
26812981
Product of the distinct prime numbers
The prime factorization of 26812981 is 13 × 2062537.
Since it has a total of 2 prime factors.
5 , 5 , 31 , 66 , 326 , 655 , 1283 , 1207 , 69531 , 19142 , 491747 , 940399 , 91836 , 5786802 , 98124697 , 78701325 , 489354321 , 973202482 , 2589152406 , 811324196
n×2
53625962
n×3
80438943
n×4
107251924
n×5
134064905
n÷2
13406490.5
n÷3
8937660.3333333
n÷3
6703245.25
n÷5
5362596.2
n2
718935950106361
n3
1.9276815970419E+22
n4
5.1686890035534E+29
n5
1.3858796004719E+37
2 √n
5178.1252398914
3 √n
299.305731581
4 √n
71.959191489978
5 √n
30.596307715233
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
-26812980
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 26812981 can be divided by 4 positive divisors.
The sum of these divisors (counting 26812981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100110010010001000110101
3
Ternary
1212110020111101
4
Quaternary
1212102020311
5
Quinary
23331003411
6
Senary
2354410101
8
Octal
146221065
10
Decimal
26812981
12
Duodecimal
8b90931
16
Hexadecimal
1992235
20
Vigesimal
87bc91
36
Base36
fyp11
md5
1ea3d2d689286e0abaeed47d7dd485d3
sha1
76a59bb40d21266489a0c029bd753c2cfed398ce
sha256
cc5607ec7778c7ef09591df6117e7e663515eba2c46307eab02c5a1cd1e03391
sha512
fb1017f08983539de3643e3fdf46a21da9d3a32b8fd388f535571f6556a27a8d4c9415e87f69c01afdb793554ec20e3dc74e9ed93b7e705503808053eb59f5e4
ripemd-160
da783222650fd3a0e190844bc8b804af28bbcd96
Diameter
53625962
Circumference
168470928.26089
Area
2.2586038992557E+15
Volume
8.074653791636E+22
Surface area
9.034415597023E+15
Circumference
168470928.26089
Perimeter
107251924
Area
718935950106361
Diagonal
37919281.377852
Surface area
4313615700638166
Volume
1.9276815970419E+22
Space diagonal
46441445.394379
Perimeter
80438943
Area
3.1130839824301E+14
Altitude
23220722.697189
Surface area
3.1130839824301E+14
Volume
2.271794548728E+21
Height
12639760.459284