20402281 is an odd 8-digits composite number following 20402280
and preceding 20402282 . In scientific notation, it is written as 2.0402281 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19703088 positive integers (up to 20402281) that are relatively prime to 20402281.
20402281 has 4 divisors, whose sum is 20411392
The reverse of 20402281 is 18220402
Previous prime number is 5143
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred two thousand two hundred eighty-one
Scientific notation
2.0402281 × 10^7
Engineering notation
2.0402281 × 10^6
Prime Factorization
5143 × 3967
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20402281
Product of the distinct prime numbers
The prime factorization of 20402281 is 5143 × 3967.
Since it has a total of 2 prime factors.
6 , 3 , 21 , 58 , 357 , 706 , 7456 , 3625 , 4910 , 86463 , 316091 , 814215 , 1112995 , 933970 , 71795790 , 97526853 , 754326851 , 48879345 , 3968017323 , 6004876797
n×2
40804562
n×3
61206843
n×4
81609124
n×5
102011405
n÷2
10201140.5
n÷3
6800760.3333333
n÷3
5100570.25
n÷5
4080456.2
n2
416253070002961
n3
8.4925121013131E+21
n4
1.7326661828689E+29
n5
3.5350342342089E+36
2 √n
4516.8884201406
3 √n
273.24962520321
4 √n
67.207800292381
5 √n
28.969149496062
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
-20402280
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 20402281 can be divided by 4 positive divisors.
The sum of these divisors (counting 20402281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101000001101001
3
Ternary
1102101112200001
4
Quaternary
1031311001221
5
Quinary
20210333111
6
Senary
2005143001
8
Octal
115650151
10
Decimal
20402281
12
Duodecimal
69baa61
16
Hexadecimal
1375069
20
Vigesimal
67a5e1
36
Base36
c5ai1
md5
e29e0ddc540afbde656eabf42b4a8ef7
sha1
99f1cae216025a020cfca4a6a93274ba27efdac5
sha256
2148dc3071498d5cacb5fc87db6fcc72438b5d09dc026ccbe9a3a70bf5675169
sha512
53a077d327258c6cf18c086aad468a7b2cba64fd6185348c90e85e924a2de676ba2d779cbe0939e84ca233b85e9a52fb622aa34d0a1a07db458daa12c17c7175
ripemd-160
15132f2675c2fb8b141a250f2f83f7d69e45a134
Diameter
40804562
Circumference
128191312.21215
Area
1.3076975867555E+15
Volume
3.557335150401E+22
Surface area
5.230790347022E+15
Circumference
128191312.21215
Perimeter
81609124
Area
416253070002961
Diagonal
28853182.493547
Surface area
2497518420017766
Volume
8.4925121013131E+21
Space diagonal
35337787.282297
Perimeter
61206843
Area
1.8024286651291E+14
Altitude
17668893.641149
Surface area
1.8024286651291E+14
Volume
1.0008521493579E+21
Height
9617727.497849