20261745 is an odd 8-digits composite number following 20261744
and preceding 20261746 . In scientific notation, it is written as 2.0261745 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 28 positive divisors.
There are 9253440 positive integers (up to 20261745) that are relatively prime to 20261745.
20261745 has 28 divisors, whose sum is 32109196
The reverse of 20261745 is 54716202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred sixty-one thousand seven hundred forty-five
Scientific notation
2.0261745 × 10^7
Engineering notation
2.0261745 × 10^6
Prime Factorization
21 × 45 × 3 × 7 × 1021
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20261745
Product of the distinct prime numbers
The prime factorization of 20261745 is 21 × 45 × 3 × 7 × 1021.
Since it has a total of 5 prime factors.
9 , 3 , 61 , 8 , 511 , 581 , 2974 , 693 , 90025 , 5342 , 439407 , 719816 , 3406053 , 5597081 , 36345673 , 12388836 , 934479411 , 706391035 , 1759644911 , 8564084075
n×2
40523490
n×3
60785235
n×4
81046980
n×5
101308725
n÷2
10130872.5
n÷3
6753915
n÷3
5065436.25
n÷5
4052349
n2
410538310445025
n3
8.3182225589679E+21
n4
1.6854170434306E+29
n5
3.4149490352644E+36
2 √n
4501.3048108299
3 √n
272.62077523731
4 √n
67.091764105811
5 √n
28.929129731813
1 , 3 , 7 , 21 , 45 , 63 , 135 , 147 , 315 , 441 , 945 , 1021 , 2835 , 3063 , 6615 , 7147 , 19845 , 21441 , 45945 , 64323 , 137835 , 150087 , 321615 , 450261 , 964845 , 2894535 , 6753915 , 20261745
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20261744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20261745 can be divided by 28 positive divisors.
The sum of these divisors (counting 20261745) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001101010010101101110001
3
Ternary
1102010101220000
4
Quaternary
1031102231301
5
Quinary
20141333440
6
Senary
2002140213
8
Octal
115225561
10
Decimal
20261745
12
Duodecimal
6951669
16
Hexadecimal
1352b71
20
Vigesimal
66ce75
36
Base36
c2a29
md5
9b5b1137cabca6a759a5b88c89f7ad32
sha1
61c67648efebd69562953909deb8c1096496e637
sha256
bb7fdf12ca19504268f082c8f94cfa878be34e96bac7e6ee07ec4e3f5e1ce1f5
sha512
7fb4b09420073d7e718086ec92ef8caf47c19bfe9f69061821d9fd666e0916598b803cb4f87ea5ac5cd2fdbe3318bf07a7c28d440b66897819fadb3eab3f7ddf
ripemd-160
79e3552f1615a96e5990c6812d0c311cd38cbd87
Diameter
40523490
Circumference
127308298.48182
Area
1.2897441401113E+15
Volume
3.4843289176238E+22
Surface area
5.158976560445E+15
Circumference
127308298.48182
Perimeter
81046980
Area
410538310445025
Diagonal
28654434.576345
Surface area
2463229862670150
Volume
8.3182225589679E+21
Space diagonal
35094371.790005
Perimeter
60785235
Area
1.7776830303607E+14
Altitude
17547185.895002
Surface area
1.7776830303607E+14
Volume
9.8031192981086E+20
Height
9551478.1921151