20542221 is an odd 8-digits composite number following 20542220
and preceding 20542222 . In scientific notation, it is written as 2.0542221 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 20 positive divisors.
There are 11737656 positive integers (up to 20542221) that are relatively prime to 20542221.
20542221 has 20 divisors, whose sum is 34223712
The reverse of 20542221 is 12224502
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million five hundred forty-two thousand two hundred twenty-one
Scientific notation
2.0542221 × 10^7
Engineering notation
2.0542221 × 10^6
Prime Factorization
21 × 7 × 3 × 3 × 15527
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6847407
Product of the distinct prime numbers
The prime factorization of 20542221 is 21 × 7 × 3 × 3 × 15527.
Since it has a total of 5 prime factors.
5 , 5 , 36 , 31 , 310 , 6 , 2027 , 9770 , 60382 , 691 , 85479 , 568656 , 287262 , 2199098 , 83218448 , 67113631 , 134248025 , 235444092 , 5257573390 , 5240355863
n×2
41084442
n×3
61626663
n×4
82168884
n×5
102711105
n÷2
10271110.5
n÷3
6847407
n÷3
5135555.25
n÷5
4108444.2
n2
421982843612841
n3
8.6684648317034E+21
n4
1.7806952030358E+29
n5
3.6579434394401E+36
2 √n
4532.3527003092
3 √n
273.87294533805
4 √n
67.322750243207
5 √n
29.008781004696
1 , 3 , 7 , 9 , 21 , 63 , 147 , 189 , 441 , 1323 , 15527 , 46581 , 108689 , 139743 , 326067 , 978201 , 2282469 , 2934603 , 6847407 , 20542221
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20542220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20542221 can be divided by 20 positive divisors.
The sum of these divisors (counting 20542221) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110010111001100001101
3
Ternary
1102122122122000
4
Quaternary
1032113030031
5
Quinary
20224322341
6
Senary
2012142513
8
Octal
116271415
10
Decimal
20542221
12
Duodecimal
6a67a39
16
Hexadecimal
139730d
20
Vigesimal
687fb1
36
Base36
c8ah9
md5
6c77767aa0979acc11125a32e314c382
sha1
d40ee512bf7608c5f2de609edf238c17338f63c6
sha256
a940f6364ef124090b40a339fce980968a2fcab887d721104e733774b59ae4d3
sha512
4e2293430923c73543ceb69c77c38f8067642430cc65dd0f5db2858548c2cef05f1b102ca872c8ba4e210847fa3953e78f700896fc8854f01f9d46e848980b4d
ripemd-160
5991340d14072bf49313eae5c002af3203bacccd
Diameter
41084442
Circumference
129070581.16404
Area
1.325698201435E+15
Volume
3.6310380577575E+22
Surface area
5.3027928057401E+15
Circumference
129070581.16404
Perimeter
82168884
Area
421982843612841
Diagonal
29051087.539465
Surface area
2531897061677046
Volume
8.6684648317034E+21
Space diagonal
35580170.472308
Perimeter
61626663
Area
1.8272393126496E+14
Altitude
17790085.236154
Surface area
1.8272393126496E+14
Volume
1.0215883774958E+21
Height
9683695.8464885