20402542 is an even 8-digits composite number following 20402541
and preceding 20402543 . In scientific notation, it is written as 2.0402542 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 9664344 positive integers (up to 20402542) that are relatively prime to 20402542.
20402542 has 8 divisors, whose sum is 32214600
The reverse of 20402542 is 24520402
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred two thousand five hundred forty-two
Scientific notation
2.0402542 × 10^7
Engineering notation
2.0402542 × 10^6
Prime Factorization
2 × 19 × 536909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402542
Product of the distinct prime numbers
The prime factorization of 20402542 is 2 × 19 × 536909.
Since it has a total of 3 prime factors.
4 , 10 , 69 , 59 , 798 , 576 , 9470 , 6128 , 67467 , 47975 , 11532 , 894266 , 2846808 , 5195678 , 69968077 , 26461834 , 787669311 , 814945411 , 2281308535 , 8486716797
n×2
40805084
n×3
61207626
n×4
81610168
n×5
102012710
n÷2
10201271
n÷3
6800847.3333333
n÷3
5100635.5
n÷5
4080508.4
n2
416263720061764
n3
8.4928380316364E+21
n4
1.7327548463966E+29
n5
3.535260352931E+36
2 √n
4516.9173116186
3 √n
273.25079039724
4 √n
67.208015233442
5 √n
28.969223614336
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
-20402541
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 20402542 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402542) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101000101101110
3
Ternary
1102101120000201
4
Quaternary
1031311011232
5
Quinary
20210340132
6
Senary
2005144114
8
Octal
115650556
10
Decimal
20402542
12
Duodecimal
69bb03a
16
Hexadecimal
137516e
20
Vigesimal
67a672
36
Base36
c5apa
md5
69bb294e6a6c5c6042945d5ede275a63
sha1
c1fa93c05d442f0c80fdbd0fe8336b0c9e01f13d
sha256
09d0f29bb8a4bc8eb7f20e635b552969cc76d7d2564406a3a2696777984583af
sha512
265712eec632aff4e2d9d23703f8340ab0161fd012b6dafc7d7435d0feac465d10101e1199ce8b43d08cfc0cd62d1a9cb72fee84de59e1b1514f4a5888f2f8b3
ripemd-160
464c9a7b54a4b5e42a7a74882cf41a3406836454
Diameter
40805084
Circumference
128192952.12351
Area
1.307731044902E+15
Volume
3.5574716757756E+22
Surface area
5.230924179608E+15
Circumference
128192952.12351
Perimeter
81610168
Area
416263720061764
Diagonal
28853551.603287
Surface area
2497582320370584
Volume
8.4928380316364E+21
Space diagonal
35338239.347558
Perimeter
61207626
Area
1.8024747812365E+14
Altitude
17669119.673779
Surface area
1.8024747812365E+14
Volume
1.0008905606148E+21
Height
9617850.5344289