20578420 is an even 8-digits composite number following 20578419
and preceding 20578421 . In scientific notation, it is written as 2.0578420 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 7965600 positive integers (up to 20578420) that are relatively prime to 20578420.
20578420 has 24 divisors, whose sum is 44610048
The reverse of 20578420 is 02487502
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred seventy-eight thousand four hundred twenty
Scientific notation
2.0578420 × 10^7
Engineering notation
2.0578420 × 10^6
Prime Factorization
2 × 2 × 5 × 31 × 33191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10289210
Product of the distinct prime numbers
The prime factorization of 20578420 is 2 × 2 × 5 × 31 × 33191.
Since it has a total of 5 prime factors.
3 , 6 , 45 , 24 , 657 , 961 , 1992 , 3672 , 482 , 22484 , 778873 , 219519 , 7868373 , 3677866 , 18890310 , 69901686 , 90426680 , 51005377 , 7451169365 , 4098156324
n×2
41156840
n×3
61735260
n×4
82313680
n×5
102892100
n÷2
10289210
n÷3
6859473.3333333
n÷3
5144605
n÷5
4115684
n2
423471369696400
n3
8.7143717035878E+21
n4
1.7932800095255E+29
n5
3.6902869213619E+36
2 √n
4536.3443431909
3 √n
274.03372167414
4 √n
67.352389290885
5 √n
29.018997518956
1 , 2 , 4 , 5 , 10 , 20 , 31 , 62 , 124 , 155 , 310 , 620 , 33191 , 66382 , 132764 , 165955 , 331910 , 663820 , 1028921 , 2057842 , 4115684 , 5144605 , 10289210 , 20578420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20578419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20578420 can be divided by 24 positive divisors.
The sum of these divisors (counting 20578420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110100000000001110100
3
Ternary
1102201111021201
4
Quaternary
1032200001310
5
Quinary
20232002140
6
Senary
2013022244
8
Octal
116400164
10
Decimal
20578420
12
Duodecimal
6a84984
16
Hexadecimal
13a0074
20
Vigesimal
68c610
36
Base36
c92es
md5
c0a0e5e5146c6dd7c4a7b2608b5776e3
sha1
7c593b0bbf45c8a78e2c0a268349204b13ffba6d
sha256
1385dd1a7e96dcdbf1ccd8db0d2903cf0e4a781e1cb5e37ba982883621601f32
sha512
32a3d45006a74336cb058e44aa975b7446c5e09c91974bcf71842fa913f9c76e54edd6955ba1c9b81f9b4f5f667ac0d60a436f0b10e6e7663172ee11cfb935b2
ripemd-160
526573e1c520867b2e6118cfe3b3f2704c8bd887
Diameter
41156840
Circumference
129298026.18897
Area
1.3303745440438E+15
Volume
3.6502674832856E+22
Surface area
5.3214981761753E+15
Circumference
129298026.18897
Perimeter
82313680
Area
423471369696400
Diagonal
29102280.65621
Surface area
2540828218178400
Volume
8.7143717035878E+21
Space diagonal
35642868.979492
Perimeter
61735260
Area
1.8336848196624E+14
Altitude
17821434.489746
Surface area
1.8336848196624E+14
Volume
1.0269985542312E+21
Height
9700760.2187366