20797940 is an even 8-digits composite number following 20797939
and preceding 20797941 . In scientific notation, it is written as 2.0797940 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 8319168 positive integers (up to 20797940) that are relatively prime to 20797940.
20797940 has 12 divisors, whose sum is 43675716
The reverse of 20797940 is 04979702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million seven hundred ninety-seven thousand nine hundred forty
Scientific notation
2.0797940 × 10^7
Engineering notation
2.0797940 × 10^6
Prime Factorization
2 × 2 × 5 × 1039897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10398970
Product of the distinct prime numbers
The prime factorization of 20797940 is 2 × 2 × 5 × 1039897.
Since it has a total of 4 prime factors.
9 , 5 , 55 , 53 , 145 , 284 , 5151 , 9523 , 43447 , 48263 , 676978 , 352058 , 6223706 , 8893979 , 81015157 , 52498589 , 523408771 , 465447725 , 4469957559 , 2595378333
n×2
41595880
n×3
62393820
n×4
83191760
n×5
103989700
n÷2
10398970
n÷3
6932646.6666667
n÷3
5199485
n÷5
4159588
n2
432554308243600
n3
8.9962385495919E+21
n4
1.871032295801E+29
n5
3.8913617426131E+36
2 √n
4560.4758523645
3 √n
275.00469413475
4 √n
67.531295355298
5 √n
29.080646967281
1 , 2 , 4 , 5 , 10 , 20 , 1039897 , 2079794 , 4159588 , 5199485 , 10398970 , 20797940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20797940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010101100111110100
3
Ternary
1110010122102002
4
Quaternary
1033111213310
5
Quinary
20311013230
6
Senary
2021434432
8
Octal
117254764
10
Decimal
20797940
12
Duodecimal
6b6ba18
16
Hexadecimal
13d59f4
20
Vigesimal
69jeh0
36
Base36
cdrsk
md5
a99ddb71a760cf95338250fce773c0cb
sha1
4e41ec7a0f9d60ea4ec925961930a8678cca4911
sha256
2b2173403faee28c7c459275737aedb89e87d0ee30f7ca8af800c8ef41d51873
sha512
3e6cf990d8cb60a7c0bc5f8ba6226f92b390b086a16a6e00500bdd23770f68ceabdd964615dbe1f12fefa17f6d80227acb2cf6ebcd8b9280fc92cc90fa092303
ripemd-160
359dd4b4008a50f096c2791237dc2b604854d920
Diameter
41595880
Circumference
130677311.0276
Area
1.3589094370567E+15
Volume
3.7683355916452E+22
Surface area
5.4356377482268E+15
Circumference
130677311.0276
Perimeter
83191760
Area
432554308243600
Diagonal
29412728.817422
Surface area
2595325849461600
Volume
8.9962385495919E+21
Space diagonal
36023088.772769
Perimeter
62393820
Area
1.8730150972768E+14
Altitude
18011544.386385
Surface area
1.8730150972768E+14
Volume
1.060216880598E+21
Height
9804242.9391406