20542971 is an odd 8-digits composite number following 20542970
and preceding 20542972 . In scientific notation, it is written as 2.0542971 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12926880 positive integers (up to 20542971) that are relatively prime to 20542971.
20542971 has 16 divisors, whose sum is 28938240
The reverse of 20542971 is 17924502
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred forty-two thousand nine hundred seventy-one
Scientific notation
2.0542971 × 10^7
Engineering notation
2.0542971 × 10^6
Prime Factorization
3 × 941 × 19 × 383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20542971
Product of the distinct prime numbers
The prime factorization of 20542971 is 3 × 941 × 19 × 383.
Since it has a total of 4 prime factors.
3 , 9 , 7 , 61 , 448 , 110 , 6138 , 6122 , 67151 , 37271 , 322764 , 101327 , 368606 , 43157 , 74715527 , 58153102 , 286183370 , 740882368 , 5874463742 , 4061722986
n×2
41085942
n×3
61628913
n×4
82171884
n×5
102714855
n÷2
10271485.5
n÷3
6847657
n÷3
5135742.75
n÷5
4108594.2
n2
422013657506841
n3
8.669414327767E+21
n4
1.780955271223E+29
n5
3.6586112489031E+36
2 √n
4532.4354380399
3 √n
273.87627834683
4 √n
67.323364726073
5 √n
29.008992824713
1 , 3 , 19 , 57 , 383 , 941 , 1149 , 2823 , 7277 , 17879 , 21831 , 53637 , 360403 , 1081209 , 6847657 , 20542971
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
-20542970
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 20542971 can be divided by 16 positive divisors.
The sum of these divisors (counting 20542971) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010111010111111011
3
Ternary
1102122200122210
4
Quaternary
1032113113323
5
Quinary
20224333341
6
Senary
2012150203
8
Octal
116272773
10
Decimal
20542971
12
Duodecimal
6a68363
16
Hexadecimal
13975fb
20
Vigesimal
687h8b
36
Base36
c8b23
md5
388aa3a38f63443e8c47b446d117cc4a
sha1
815170c795f1201ca445658cee191291d8b0e738
sha256
ae2e6bd1bf28578f3cf4a1d153673899b355ebdf1e40a3a07f76ac7391b056c3
sha512
a047913194aaa3df01e864e3ffd54edb53db75825929a55b09fa5747c21862ae8af29cb1a07e2320e7f6a703e82821cc4fa161558fc9fde5241ddf8ce1469c2b
ripemd-160
ffac4c8249a20ef67c3bdce1d8e9c16a49380725
Diameter
41085942
Circumference
129075293.55302
Area
1.3257950061381E+15
Volume
3.6314357817385E+22
Surface area
5.3031800245522E+15
Circumference
129075293.55302
Perimeter
82171884
Area
422013657506841
Diagonal
29052148.199637
Surface area
2532081945041046
Volume
8.669414327767E+21
Space diagonal
35581469.510414
Perimeter
61628913
Area
1.8273727407245E+14
Altitude
17790734.755207
Surface area
1.8273727407245E+14
Volume
1.02170027668E+21
Height
9684049.3998791