20538045 is an odd 8-digits composite number following 20538044
and preceding 20538046 . In scientific notation, it is written as 2.0538045 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 9957600 positive integers (up to 20538045) that are relatively prime to 20538045.
20538045 has 8 divisors, whose sum is 23235520
The reverse of 20538045 is 54083502
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred thirty-eight thousand forty-five
Scientific notation
2.0538045 × 10^7
Engineering notation
2.0538045 × 10^6
Prime Factorization
55 × 9 × 41491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20538045
Product of the distinct prime numbers
The prime factorization of 20538045 is 55 × 9 × 41491.
Since it has a total of 3 prime factors.
7 , 1 , 10 , 86 , 140 , 610 , 3157 , 9984 , 46394 , 71089 , 396343 , 818448 , 4656059 , 3022437 , 39625012 , 32209555 , 193793688 , 509584510 , 9756497164 , 5111623203
n×2
41076090
n×3
61614135
n×4
82152180
n×5
102690225
n÷2
10269022.5
n÷3
6846015
n÷3
5134511.25
n÷5
4107609
n2
421811292422025
n3
8.6631793052717E+21
n4
1.7792476641474E+29
n5
3.6542268592404E+36
2 √n
4531.8919890042
3 √n
273.85438566156
4 √n
67.319328494899
5 √n
29.007601477699
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
-20538044
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 20538045 can be divided by 8 positive divisors.
The sum of these divisors (counting 20538045) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010110001010111101
3
Ternary
1102122102220100
4
Quaternary
1032112022331
5
Quinary
20224204140
6
Senary
2012111313
8
Octal
116261275
10
Decimal
20538045
12
Duodecimal
6a65539
16
Hexadecimal
13962bd
20
Vigesimal
687525
36
Base36
c8799
md5
9f62c8b762f6e85d6ee196d11016286d
sha1
2513805ad58f12d86d2158893fb43b122347460f
sha256
8df895344bde009aa0b1c09540e4741b69d3fc473308600c4aa14e9105b57824
sha512
2627213fb8535f4a99feb9eb56bfa095043d8ef17674790de91ade00d0da1769fb73c13026b316e514a0fffe48b26bc0f18b15c39e5a2d6770ae7545c5bf4865
ripemd-160
7374a0b8b232ff09da6da239d0476ce9048e7305
Diameter
41076090
Circumference
129044342.58219
Area
1.3251592574742E+15
Volume
3.628824061623E+22
Surface area
5.300637029897E+15
Circumference
129044342.58219
Perimeter
82152180
Area
421811292422025
Diagonal
29045181.783629
Surface area
2530867754532150
Volume
8.6631793052717E+21
Space diagonal
35572937.428136
Perimeter
61614135
Area
1.8264964742031E+14
Altitude
17786468.714068
Surface area
1.8264964742031E+14
Volume
1.0209654722321E+21
Height
9681727.2612096