20978026 is an even 8-digits composite number following 20978025
and preceding 20978027 . In scientific notation, it is written as 2.0978026 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10422048 positive integers (up to 20978026) that are relatively prime to 20978026.
20978026 has 8 divisors, whose sum is 31667940
The reverse of 20978026 is 62087902
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million nine hundred seventy-eight thousand twenty-six
Scientific notation
2.0978026 × 10^7
Engineering notation
2.0978026 × 10^6
Prime Factorization
2 × 157 × 66809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20978026
Product of the distinct prime numbers
The prime factorization of 20978026 is 2 × 157 × 66809.
Since it has a total of 3 prime factors.
3 , 9 , 71 , 21 , 754 , 331 , 1182 , 3502 , 67587 , 96009 , 963313 , 960338 , 6501727 , 4322755 , 56104387 , 15265168 , 143943414 , 116728703 , 3609935491 , 9164312875
n×2
41956052
n×3
62934078
n×4
83912104
n×5
104890130
n÷2
10489013
n÷3
6992675.3333333
n÷3
5244506.5
n÷5
4195605.2
n2
440077574856676
n3
9.2319588073603E+21
n4
1.9366827189173E+29
n5
4.0627780431199E+36
2 √n
4580.1775074772
3 √n
275.79615453077
4 √n
67.677008706629
5 √n
29.130834365293
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
-20978025
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 20978026 can be divided by 8 positive divisors.
The sum of these divisors (counting 20978026) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000001100101101010
3
Ternary
1110110210102221
4
Quaternary
1100001211222
5
Quinary
20332244101
6
Senary
2025344254
8
Octal
120014552
10
Decimal
20978026
12
Duodecimal
703808a
16
Hexadecimal
140196a
20
Vigesimal
6b2516
36
Base36
chmqy
md5
924112df6c8a036d600a1344d202e43d
sha1
627644c653738c30c87c7e4c39c7873cd32e2b7b
sha256
7ba1ae82a374a0ad412de86305d534a894c75f2ea20c1f4d67a14587a8741e51
sha512
f12d9e3ff99761b9fd2755056c456dc827fab153c2dfe5aee035f8306fd9f07d6a949713c63829ce812a60df05f9178085ab9aeea7aa82c837cf4d4cd69b9cbc
ripemd-160
6cdf3a5828dc7d888203f588d6136c7d862da764
Diameter
41956052
Circumference
131808824.73683
Area
1.3825444761793E+15
Volume
3.8670738623262E+22
Surface area
5.5301779047174E+15
Circumference
131808824.73683
Perimeter
83912104
Area
440077574856676
Diagonal
29667408.881015
Surface area
2640465449140056
Volume
9.2319588073603E+21
Space diagonal
36335006.874501
Perimeter
62934078
Area
1.9055917973086E+14
Altitude
18167503.43725
Surface area
1.9055917973086E+14
Volume
1.0879967793866E+21
Height
9889136.2936718