20405541 is an odd 8-digits composite number following 20405540
and preceding 20405542 . In scientific notation, it is written as 2.0405541 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12557232 positive integers (up to 20405541) that are relatively prime to 20405541.
20405541 has 8 divisors, whose sum is 29300320
The reverse of 20405541 is 14550402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred five thousand five hundred forty-one
Scientific notation
2.0405541 × 10^7
Engineering notation
2.0405541 × 10^6
Prime Factorization
3 × 13 × 523219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20405541
Product of the distinct prime numbers
The prime factorization of 20405541 is 3 × 13 × 523219.
Since it has a total of 3 prime factors.
4 , 1 , 67 , 18 , 812 , 450 , 5010 , 8176 , 37123 , 50822 , 995100 , 46015 , 2133937 , 2419416 , 72110344 , 17795324 , 492985214 , 812662919 , 122185758 , 4539639097
n×2
40811082
n×3
61216623
n×4
81622164
n×5
102027705
n÷2
10202770.5
n÷3
6801847
n÷3
5101385.25
n÷5
4081108.2
n2
416386103502681
n3
8.4965837068542E+21
n4
1.7337738719015E+29
n5
3.5378593827814E+36
2 √n
4517.2492736177
3 √n
273.26417825468
4 √n
67.210484848852
5 √n
28.970075210122
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
-20405540
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 20405541 can be divided by 8 positive divisors.
The sum of these divisors (counting 20405541) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101110100100101
3
Ternary
1102101201010210
4
Quaternary
1031311310211
5
Quinary
20210434131
6
Senary
2005210033
8
Octal
115656445
10
Decimal
20405541
12
Duodecimal
6a00919
16
Hexadecimal
1375d25
20
Vigesimal
67adh1
36
Base36
c5d0l
md5
67bc1cf538c27d6e49ddc31eb41c80b6
sha1
ff5a949511934848ab5fe7e01b6509a13e0e535a
sha256
710dd19316d02d715ca3a1929208f44816e6d10b7ea15203472065b1b338ef44
sha512
70d4e2bd10bba340c268181694881e55757e53bc45d3509e554bdcfd7213c935d175fa58563ee8bb85e263ba6ea670798968437f90a42194bcb1d39a23238fa4
ripemd-160
375c997561dead1c9b34700ee0c632d75d6e6b2d
Diameter
40811082
Circumference
128211795.39625
Area
1.3081155238209E+15
Volume
3.5590406605419E+22
Surface area
5.2324620952836E+15
Circumference
128211795.39625
Perimeter
81622164
Area
416386103502681
Diagonal
28857792.82976
Surface area
2498316621016086
Volume
8.4965837068542E+21
Space diagonal
35343433.76793
Perimeter
61216623
Area
1.8030047170807E+14
Altitude
17671716.883965
Surface area
1.8030047170807E+14
Volume
1.0013319926726E+21
Height
9619264.2765868