20443642 is an even 8-digits composite number following 20443641
and preceding 20443643 . In scientific notation, it is written as 2.0443642 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 9741952 positive integers (up to 20443642) that are relatively prime to 20443642.
20443642 has 16 divisors, whose sum is 32114880
The reverse of 20443642 is 24634402
Previous prime number is 353
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred forty-three thousand six hundred forty-two
Scientific notation
2.0443642 × 10^7
Engineering notation
2.0443642 × 10^6
Prime Factorization
2 × 23 × 353 × 1259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20443642
Product of the distinct prime numbers
The prime factorization of 20443642 is 2 × 23 × 353 × 1259.
Since it has a total of 4 prime factors.
2 , 2 , 54 , 20 , 180 , 281 , 5350 , 956 , 19029 , 51117 , 374152 , 244224 , 1126595 , 3810224 , 42314534 , 87069642 , 47523273 , 352596668 , 1361335813 , 6675436684
n×2
40887284
n×3
61330926
n×4
81774568
n×5
102218210
n÷2
10221821
n÷3
6814547.3333333
n÷3
5110910.5
n÷5
4088728.4
n2
417942498224164
n3
8.5442668102804E+21
n4
1.7467593182186E+29
n5
3.5710122161824E+36
2 √n
4521.4645857288
3 √n
273.43415112307
4 √n
67.24183657314
5 √n
28.980885659745
1 , 2 , 23 , 46 , 353 , 706 , 1259 , 2518 , 8119 , 16238 , 28957 , 57914 , 444427 , 888854 , 10221821 , 20443642
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
-20443641
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 20443642 can be divided by 16 positive divisors.
The sum of these divisors (counting 20443642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101111111000111111010
3
Ternary
1102110122101221
4
Quaternary
1031333013322
5
Quinary
20213144032
6
Senary
2010102254
8
Octal
115770772
10
Decimal
20443642
12
Duodecimal
6a1a98a
16
Hexadecimal
137f1fa
20
Vigesimal
67f922
36
Base36
c66ey
md5
92a5f2a1842b4acd7c8a71a0d67b2c6f
sha1
93f8743d361bec52111ad0bdf20dbe03759ef549
sha256
346958a111609c5dc5485be2eacbcddf11fef5eca583f2f49b11f70115976812
sha512
9c671c1313472fb6fd32933da95a588c8f59da5c2c5d4ce39a4ffe9f47b16152b8865a18e487f8e694cf3b7e7db207280942d95dcd22abbfb9ce16fa19264ab0
ripemd-160
9d2230a3af5fbac2546bbde2f06f7f38562bb506
Diameter
40887284
Circumference
128451191.03964
Area
1.313005082044E+15
Volume
3.5790141121984E+22
Surface area
5.252020328176E+15
Circumference
128451191.03964
Perimeter
81774568
Area
417942498224164
Diagonal
28911675.7807
Surface area
2507654989344984
Volume
8.5442668102804E+21
Space diagonal
35409426.635749
Perimeter
61330926
Area
1.8097441039163E+14
Altitude
17704713.317875
Surface area
1.8097441039163E+14
Volume
1.0069515003027E+21
Height
9637225.2602334