20781337 is an odd 8-digits prime number following 20781336
and preceding 20781338 . In scientific notation, it is written as 2.0781337 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20781336 positive integers (up to 20781337) that are relatively prime to 20781337.
20781337 has 2 divisors, whose sum is 20781338
The reverse of 20781337 is 73318702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred eighty-one thousand three hundred thirty-seven
Scientific notation
2.0781337 × 10^7
Engineering notation
2.0781337 × 10^6
Prime Factorization
20781337
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20781337
Product of the distinct prime numbers
The prime factorization of 20781337 is 20781337.
Since it has a total of 1 prime factors.
6 , 2 , 26 , 20 , 852 , 67 , 9700 , 9367 , 83324 , 87123 , 583155 , 173773 , 4057468 , 6368039 , 34531861 , 5795055 , 883197172 , 312899527 , 1835467215 , 3506556942
n×2
41562674
n×3
62344011
n×4
83125348
n×5
103906685
n÷2
10390668.5
n÷3
6927112.3333333
n÷3
5195334.25
n÷5
4156267.4
n2
431863967507569
n3
8.9747106469318E+21
n4
1.8650648643138E+29
n5
3.8758541472164E+36
2 √n
4558.6551745005
3 √n
274.9314958843
4 √n
67.517813756819
5 √n
29.076002466609
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20781338
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10390669
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4558.6552841819
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999037598
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20781337 can be divided by 2 positive divisors.
The sum of these divisors (counting 20781337) is 20781338, the average is 10390669.
Base
System
Value
2
Binary
1001111010001100100011001
3
Ternary
1110002210122011
4
Quaternary
1033101210121
5
Quinary
20310000322
6
Senary
2021225521
8
Octal
117214431
10
Decimal
20781337
12
Duodecimal
6b622a1
16
Hexadecimal
13d1919
20
Vigesimal
69hd6h
36
Base36
cdezd
md5
c2b668f07f5ddf5cc091c7f805b0109d
sha1
742319eb78852148152ee125b0bb1ebf41a9be5d
sha256
5fe6957323348eca2c360cae91e00fa6814d998865f6d282258da65459a9e757
sha512
06316223b130e44810ae74caa8440e5a6c2ab472103ab5641d9ab83abf77572a8d5981a40b1f124d619688a1aea8d31d2af245ce423af6d9790bc09e8d5414b8
ripemd-160
bb2097818e95ae06213f587eb21e633b4f9f0a8a
Diameter
41562674
Circumference
130572991.30195
Area
1.3567406676719E+15
Volume
3.759318004866E+22
Surface area
5.4269626706877E+15
Circumference
130572991.30195
Perimeter
83125348
Area
431863967507569
Diagonal
29389248.629646
Surface area
2591183805045414
Volume
8.9747106469318E+21
Space diagonal
35994331.533211
Perimeter
62344011
Area
1.8700258342035E+14
Altitude
17997165.766605
Surface area
1.8700258342035E+14
Volume
1.0576797929388E+21
Height
9796416.2098819