20042643 is an odd 8-digits composite number following 20042642
and preceding 20042644 . In scientific notation, it is written as 2.0042643 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 12493440 positive integers (up to 20042643) that are relatively prime to 20042643.
20042643 has 16 divisors, whose sum is 28480896
The reverse of 20042643 is 34624002
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million forty-two thousand six hundred forty-three
Scientific notation
2.0042643 × 10^7
Engineering notation
2.0042643 × 10^6
Prime Factorization
3 × 163 × 17 × 2411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20042643
Product of the distinct prime numbers
The prime factorization of 20042643 is 3 × 163 × 17 × 2411.
Since it has a total of 4 prime factors.
1 , 8 , 24 , 47 , 833 , 217 , 6077 , 9986 , 7416 , 90345 , 821880 , 789337 , 5095489 , 9961833 , 22603098 , 89251151 , 121106321 , 570253755 , 3595253848 , 8634717990
n×2
40085286
n×3
60127929
n×4
80170572
n×5
100213215
n÷2
10021321.5
n÷3
6680881
n÷3
5010660.75
n÷5
4008528.6
n2
401707538425449
n3
8.0512807830701E+21
n4
1.6136894642783E+29
n5
3.2342601845392E+36
2 √n
4476.9010487166
3 √n
271.63454289554
4 √n
66.909648397796
5 √n
28.866291848197
1 , 3 , 17 , 51 , 163 , 489 , 2411 , 2771 , 7233 , 8313 , 40987 , 122961 , 392993 , 1178979 , 6680881 , 20042643
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
-20042642
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 20042643 can be divided by 16 positive divisors.
The sum of these divisors (counting 20042643) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011101001110010011
3
Ternary
1101201021100010
4
Quaternary
1030131032103
5
Quinary
20112331033
6
Senary
1553330003
8
Octal
114351623
10
Decimal
20042643
12
Duodecimal
6866903
16
Hexadecimal
131d393
20
Vigesimal
6556c3
36
Base36
bxl03
md5
8a2434a31f40cf5bc37bf38e9daabf4e
sha1
eca2867c6856776c7c001a5ca03f295dd3978f3c
sha256
97653d74a5145f297e8bf24187d48f5a8487302d16ee74e12cfd1c39e9ff5d3d
sha512
84e736ff6f01fd2854f5635780976e8a0f2026627729491ae2176afcb8eb23057f09bf4762a2d6473aeeead8b519767f3cf264280afb635e5e48b197e52f4836
ripemd-160
643dc5b8afbe0e5ff110fd9fd4b87ce8ff70eb93
Diameter
40085286
Circumference
125931640.01465
Area
1.262001451609E+15
Volume
3.3725126080109E+22
Surface area
5.0480058064361E+15
Circumference
125931640.01465
Perimeter
80170572
Area
401707538425449
Diagonal
28344577.556402
Surface area
2410245230552694
Volume
8.0512807830701E+21
Space diagonal
34714875.993965
Perimeter
60127929
Area
1.7394446658408E+14
Altitude
17357437.996982
Surface area
1.7394446658408E+14
Volume
9.488525398243E+20
Height
9448192.5188007