20542281 is an odd 8-digits composite number following 20542280
and preceding 20542282 . In scientific notation, it is written as 2.0542281 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13683120 positive integers (up to 20542281) that are relatively prime to 20542281.
20542281 has 8 divisors, whose sum is 27413184
The reverse of 20542281 is 18224502
Previous prime number is 1607
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million five hundred forty-two thousand two hundred eighty-one
Scientific notation
2.0542281 × 10^7
Engineering notation
2.0542281 × 10^6
Prime Factorization
3 × 1607 × 4261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20542281
Product of the distinct prime numbers
The prime factorization of 20542281 is 3 × 1607 × 4261.
Since it has a total of 3 prime factors.
10 , 8 , 36 , 94 , 531 , 38 , 880 , 2412 , 43864 , 23618 , 549736 , 704988 , 6410306 , 2446001 , 4935661 , 92140354 , 608985746 , 274073905 , 2675310106 , 4435949374
n×2
41084562
n×3
61626843
n×4
82169124
n×5
102711405
n÷2
10271140.5
n÷3
6847427
n÷3
5135570.25
n÷5
4108456.2
n2
421985308682961
n3
8.6685407888371E+21
n4
1.7807160074425E+29
n5
3.6579968606083E+36
2 √n
4532.3593193832
3 √n
273.87321198174
4 √n
67.322799402455
5 √n
29.008797950525
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20542280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20542281 can be divided by 8 positive divisors.
The sum of these divisors (counting 20542281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010111001101001001
3
Ternary
1102122122201020
4
Quaternary
1032113031021
5
Quinary
20224323111
6
Senary
2012143053
8
Octal
116271511
10
Decimal
20542281
12
Duodecimal
6a67a89
16
Hexadecimal
1397349
20
Vigesimal
687fe1
36
Base36
c8aix
md5
d7f065cd1a7512e1684121afaae6b585
sha1
eb21eb3109e2728c2f4260958c7111f18599f246
sha256
584ecac9135e970cae86ccc1ec9f82126b700a3bde1a0423839dadacd144f731
sha512
b4ede03d198802bbff24a4c0c6c13160526959b4b6cab2b018889f2758b5533faea9d9537c1f1d67f64b4daf4692eda8384fa3be90660e64fcf7bfb3238cf35a
ripemd-160
e772093fae055deea651e28ea50876b07cddf034
Diameter
41084562
Circumference
129070958.15515
Area
1.3257059456812E+15
Volume
3.6310698746072E+22
Surface area
5.3028237827248E+15
Circumference
129070958.15515
Perimeter
82169124
Area
421985308682961
Diagonal
29051172.392279
Surface area
2531911852097766
Volume
8.6685407888371E+21
Space diagonal
35580274.395357
Perimeter
61626843
Area
1.8272499867163E+14
Altitude
17790137.197678
Surface area
1.8272499867163E+14
Volume
1.0215973291298E+21
Height
9683724.1307597