20802642 is an even 8-digits composite number following 20802641
and preceding 20802643 . In scientific notation, it is written as 2.0802642 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 5943600 positive integers (up to 20802642) that are relatively prime to 20802642.
20802642 has 16 divisors, whose sum is 47548992
The reverse of 20802642 is 24620802
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eight hundred two thousand six hundred forty-two
Scientific notation
2.0802642 × 10^7
Engineering notation
2.0802642 × 10^6
Prime Factorization
2 × 3 × 7 × 495301
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20802642
Product of the distinct prime numbers
The prime factorization of 20802642 is 2 × 3 × 7 × 495301.
Since it has a total of 4 prime factors.
7 , 5 , 53 , 45 , 965 , 851 , 4121 , 8299 , 92865 , 61386 , 482700 , 347830 , 998235 , 3653817 , 56451195 , 48197858 , 379159624 , 491397867 , 9584655115 , 5978409482
n×2
41605284
n×3
62407926
n×4
83210568
n×5
104013210
n÷2
10401321
n÷3
6934214
n÷3
5200660.5
n÷5
4160528.4
n2
432749914180164
n3
9.0023415402207E+21
n4
1.8727248822294E+29
n5
3.895762528951E+36
2 √n
4560.9913396103
3 √n
275.02541693451
4 √n
67.53511190196
5 √n
29.081961759403
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 495301 , 990602 , 1485903 , 2971806 , 3467107 , 6934214 , 10401321 , 20802642
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
-20802641
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 20802642 can be divided by 16 positive divisors.
The sum of these divisors (counting 20802642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010110110001010010
3
Ternary
1110010212212020
4
Quaternary
1033112301102
5
Quinary
20311141032
6
Senary
2021512310
8
Octal
117266122
10
Decimal
20802642
12
Duodecimal
6b72696
16
Hexadecimal
13d6c52
20
Vigesimal
6a06c2
36
Base36
cdvf6
md5
db52427efdc85a0890fa121edf607ae4
sha1
00e01a53f828060dd93e9ce1d6b98e9e8fe5a792
sha256
8920b34401543ab26199c52dacab40ac976a6c4bd637c3b0d7e951975cc5c1e0
sha512
ebfada526bcf152b40740666b956ea43d29340b7c9be0f6ac05560471fdbcf3d8362845b0d09bd2ebee5b411f95e767c850706ece57bc70a55531814ec0b1624
ripemd-160
8c301e827b272ad983bf26687e866c48600a6d4c
Diameter
41605284
Circumference
130706854.56492
Area
1.35952395123E+15
Volume
3.7708920063818E+22
Surface area
5.4380958049201E+15
Circumference
130706854.56492
Perimeter
83210568
Area
432749914180164
Diagonal
29419378.449592
Surface area
2596499485080984
Volume
9.0023415402207E+21
Space diagonal
36031232.875666
Perimeter
62407926
Area
1.8738620958278E+14
Altitude
18015616.437833
Surface area
1.8738620958278E+14
Volume
1.0609361249412E+21
Height
9806459.4831974