20705641 is an odd 8-digits composite number following 20705640
and preceding 20705642 . In scientific notation, it is written as 2.0705641 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 18711000 positive integers (up to 20705641) that are relatively prime to 20705641.
20705641 has 12 divisors, whose sum is 22895152
The reverse of 20705641 is 14650702
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million seven hundred five thousand six hundred forty-one
Scientific notation
2.0705641 × 10^7
Engineering notation
2.0705641 × 10^6
Prime Factorization
11 × 11 × 211 × 811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1882331
Product of the distinct prime numbers
The prime factorization of 20705641 is 11 × 11 × 211 × 811.
Since it has a total of 4 prime factors.
5 , 3 , 20 , 93 , 396 , 134 , 9088 , 2421 , 64989 , 30271 , 415233 , 623761 , 3952554 , 8996206 , 85644064 , 49925762 , 900525412 , 28541770 , 9786116006 , 1629430703
n×2
41411282
n×3
62116923
n×4
82822564
n×5
103528205
n÷2
10352820.5
n÷3
6901880.3333333
n÷3
5176410.25
n÷5
4141128.2
n2
428723569220881
n3
8.8769963125262E+21
n4
1.8380389880549E+29
n5
3.8057775430668E+36
2 √n
4550.345151744
3 √n
274.59727718851
4 √n
67.456246202587
5 √n
29.054789674829
1 , 11 , 121 , 211 , 811 , 2321 , 8921 , 25531 , 98131 , 171121 , 1882331 , 20705641
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
-20705640
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 20705641 can be divided by 12 positive divisors.
The sum of these divisors (counting 20705641) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111111000101101001
3
Ternary
1102221221210121
4
Quaternary
1032333011221
5
Quinary
20300040031
6
Senary
2015443241
8
Octal
116770551
10
Decimal
20705641
12
Duodecimal
6b26521
16
Hexadecimal
13bf169
20
Vigesimal
698421
36
Base36
cbskp
md5
fe2f5ef81ee8e2e1ecf7361cd72018a6
sha1
83f7f92e71e87fc3a599e8bf0801020dd98484f7
sha256
e8998c233e4e395fba295d5965a7fd94a7458fb1c8f194b687a85f652dca1e2c
sha512
6d43f8a6fdbefe99f525af216aae541901dd664ab8e353b4f9459fd8753d02bb31a64dd11eb76b23c6e4ad9217623a96bd4fc63d96a2fd6d19febae8dbbb0156
ripemd-160
754ebd8bf540222d098350e09b69bfdb8045f5f6
Diameter
41411282
Circumference
130097379.30694
Area
1.3468748154851E+15
Volume
3.7183875201835E+22
Surface area
5.3874992619405E+15
Circumference
130097379.30694
Perimeter
82822564
Area
428723569220881
Diagonal
29282198.319828
Surface area
2572341415325286
Volume
8.8769963125262E+21
Space diagonal
35863222.215281
Perimeter
62116923
Area
1.8564275107321E+14
Altitude
17931611.107641
Surface area
1.8564275107321E+14
Volume
1.0461640481925E+21
Height
9760732.7732761