20571390 is an even 8-digits composite number following 20571389
and preceding 20571391 . In scientific notation, it is written as 2.0571390 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 4701888 positive integers (up to 20571390) that are relatively prime to 20571390.
20571390 has 16 divisors, whose sum is 36050016
The reverse of 20571390 is 09317502
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred seventy-one thousand three hundred ninety
Scientific notation
2.0571390 × 10^7
Engineering notation
2.0571390 × 10^6
Prime Factorization
2 × 45 × 7 × 32653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20571390
Product of the distinct prime numbers
The prime factorization of 20571390 is 2 × 45 × 7 × 32653.
Since it has a total of 4 prime factors.
3 , 5 , 59 , 59 , 822 , 368 , 3307 , 7167 , 47174 , 5079 , 701966 , 871083 , 89824 , 619488 , 44793877 , 9318660 , 521430903 , 818902411 , 9758388163 , 1014794987
n×2
41142780
n×3
61714170
n×4
82285560
n×5
102856950
n÷2
10285695
n÷3
6857130
n÷3
5142847.5
n÷5
4114278
n2
423182086532100
n3
8.7054437430656E+21
n4
1.7908307836166E+29
n5
3.6839878473783E+36
2 √n
4535.5694240084
3 √n
274.00251298599
4 √n
67.346636322896
5 √n
29.017014553937
1 , 2 , 7 , 14 , 45 , 90 , 315 , 630 , 32653 , 65306 , 228571 , 457142 , 1469385 , 2938770 , 10285695 , 20571390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20571389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20571390 can be divided by 16 positive divisors.
The sum of these divisors (counting 20571390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011110010011111110
3
Ternary
1102201010122100
4
Quaternary
1032132103332
5
Quinary
20231241030
6
Senary
2012525530
8
Octal
116362376
10
Decimal
20571390
12
Duodecimal
6a808a6
16
Hexadecimal
139e4fe
20
Vigesimal
68b89a
36
Base36
c8wzi
md5
5c5434d7220adfeb1b9abc9f8d61a269
sha1
935219d4ffa131483a236931f7ebebb30741f14b
sha256
c9bbd69b9795dc0aaadf24ecaab210a361a27bc6482bd944bb9178e379020596
sha512
b4cb049a4e559a2d7aed8d76f2a00d5dc842478182e004efa4a7d1ae897fa2f07b4342222bc6ef6b65ed6a6ba51265325fb5a57abf30f79516878074ef6c3138
ripemd-160
07121a411a90f5d3f15580cb11e4414b89542da1
Diameter
41142780
Circumference
129253855.39626
Area
1.32946573418E+15
Volume
3.6465277479272E+22
Surface area
5.3178629367202E+15
Circumference
129253855.39626
Perimeter
82285560
Area
423182086532100
Diagonal
29092338.734866
Surface area
2539092519192600
Volume
8.7054437430656E+21
Space diagonal
35630692.662314
Perimeter
61714170
Area
1.8324321868165E+14
Altitude
17815346.331157
Surface area
1.8324321868165E+14
Volume
1.0259463839933E+21
Height
9697446.2449554