20530081 is an odd 8-digits composite number following 20530080
and preceding 20530082 . In scientific notation, it is written as 2.0530081 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 17227920 positive integers (up to 20530081) that are relatively prime to 20530081.
20530081 has 4 divisors, whose sum is 20673792
The reverse of 20530081 is 18003502
Previous prime number is 143
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million five hundred thirty thousand eighty-one
Scientific notation
2.0530081 × 10^7
Engineering notation
2.0530081 × 10^6
Prime Factorization
143 × 143567
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20530081
Product of the distinct prime numbers
The prime factorization of 20530081 is 143 × 143567.
Since it has a total of 2 prime factors.
5 , 5 , 57 , 34 , 953 , 138 , 7768 , 8110 , 26187 , 41035 , 353349 , 182417 , 1167295 , 6445695 , 51838115 , 40176543 , 499797709 , 549060651 , 3494124882 , 2826978475
n×2
41060162
n×3
61590243
n×4
82120324
n×5
102650405
n÷2
10265040.5
n÷3
6843360.3333333
n÷3
5132520.25
n÷5
4106016.2
n2
421484225866561
n3
8.6531052972628E+21
n4
1.7764895265433E+29
n5
3.6471473875586E+36
2 √n
4531.0132420906
3 √n
273.81898374782
4 √n
67.312801472607
5 √n
29.005351483808
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20530080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20530081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20530081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010100001110100001
3
Ternary
1102122000222101
4
Quaternary
1032110032201
5
Quinary
20223430311
6
Senary
2012010401
8
Octal
116241641
10
Decimal
20530081
12
Duodecimal
6a60a01
16
Hexadecimal
13943a1
20
Vigesimal
686541
36
Base36
c8141
md5
94c44d4c64963faf0817a56f83dbb0c7
sha1
3df438d03adc014ed0e49d19f3e293ea51d4f282
sha256
c530db5af41945aedccc224fac54ab51085677dc36d4744e540c6fe90cddc98a
sha512
2bc54480fb7be539a36ab5114e0b9dc692f79dd73087828ec2313fdfa3b7c88824cb5283a2cbb505a6f78edc703df5f5c309a8f3d99e682d1b86dc844c7dc4a1
ripemd-160
250a1a850ab6eb81417fb1189a1cae501b8615de
Diameter
41060162
Circumference
128994303.29441
Area
1.3241317475864E+15
Volume
3.624604271016E+22
Surface area
5.2965269903455E+15
Circumference
128994303.29441
Perimeter
82120324
Area
421484225866561
Diagonal
29033918.986818
Surface area
2528905355199366
Volume
8.6531052972628E+21
Space diagonal
35559143.375504
Perimeter
61590243
Area
1.8250802344743E+14
Altitude
17779571.687752
Surface area
1.8250802344743E+14
Volume
1.0197782390026E+21
Height
9677972.9956061