20681937 is an odd 8-digits composite number following 20681936
and preceding 20681938 . In scientific notation, it is written as 2.0681937 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 13062168 positive integers (up to 20681937) that are relatively prime to 20681937.
20681937 has 8 divisors, whose sum is 24189600
The reverse of 20681937 is 73918602
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-one thousand nine hundred thirty-seven
Scientific notation
2.0681937 × 10^7
Engineering notation
2.0681937 × 10^6
Prime Factorization
9 × 19 × 120947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20681937
Product of the distinct prime numbers
The prime factorization of 20681937 is 9 × 19 × 120947.
Since it has a total of 3 prime factors.
7 , 7 , 73 , 82 , 285 , 446 , 5607 , 8405 , 40885 , 24807 , 306950 , 520126 , 9641662 , 3292391 , 37450741 , 83801969 , 659670529 , 24019697 , 8522915826 , 602704075
n×2
41363874
n×3
62045811
n×4
82727748
n×5
103409685
n÷2
10340968.5
n÷3
6893979
n÷3
5170484.25
n÷5
4136387.4
n2
427742518071969
n3
8.8465438109858E+21
n4
1.8296366176655E+29
n5
3.7840429259451E+36
2 √n
4547.7397682805
3 √n
274.49245004964
4 √n
67.436931782818
5 √n
29.048134190655
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
-20681936
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 20681937 can be divided by 8 positive divisors.
The sum of these divisors (counting 20681937) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001010011010001
3
Ternary
1102220202021200
4
Quaternary
1032321103101
5
Quinary
20243310222
6
Senary
2015141413
8
Octal
116712321
10
Decimal
20681937
12
Duodecimal
6b14869
16
Hexadecimal
13b94d1
20
Vigesimal
6954gh
36
Base36
cbaa9
md5
05717216f289d4489835ee51f7c3d099
sha1
f44815a6cef39181f9bc51a853932ec539e087c6
sha256
df09d87de232ac96924a38e98bc095faa06b294dc4c99e7ccccde4bed1e315d0
sha512
e5791e4b998bac5bf351a11f52b169defbe1458364eb03a9aef423f74d0b7e0c8efef657e042c93a17c7f8d11f11558b8a5b72bcf914a0e82b98ed24f42b7841
ripemd-160
5879316ac4fe31e174badcd911b18d69d6c63718
Diameter
41363874
Circumference
129948442.68241
Area
1.3437927524029E+15
Volume
3.7056316061671E+22
Surface area
5.3751710096116E+15
Circumference
129948442.68241
Perimeter
82727748
Area
427742518071969
Diagonal
29248675.801546
Surface area
2566455108431814
Volume
8.8465438109858E+21
Space diagonal
35822165.682939
Perimeter
62045811
Area
1.8521794346452E+14
Altitude
17911082.841469
Surface area
1.8521794346452E+14
Volume
1.0425751864687E+21
Height
9749558.6005153