20682021 is an odd 8-digits composite number following 20682020
and preceding 20682022 . In scientific notation, it is written as 2.0682021 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13494560 positive integers (up to 20682021) that are relatively prime to 20682021.
20682021 has 8 divisors, whose sum is 28162944
The reverse of 20682021 is 12028602
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million six hundred eighty-two thousand twenty-one
Scientific notation
2.0682021 × 10^7
Engineering notation
2.0682021 × 10^6
Prime Factorization
3 × 47 × 146681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20682021
Product of the distinct prime numbers
The prime factorization of 20682021 is 3 × 47 × 146681.
Since it has a total of 3 prime factors.
7 , 4 , 23 , 61 , 213 , 797 , 2164 , 242 , 33774 , 39757 , 612998 , 700600 , 2317575 , 6482323 , 88079274 , 59072207 , 420029470 , 641879857 , 9280673076 , 5515122138
n×2
41364042
n×3
62046063
n×4
82728084
n×5
103410105
n÷2
10341010.5
n÷3
6894007
n÷3
5170505.25
n÷5
4136404.2
n2
427745992644441
n3
8.8466516025382E+21
n4
1.8296663422338E+29
n5
3.7841197713072E+36
2 √n
4547.7490036281
3 √n
274.49282166755
4 √n
67.437000256744
5 √n
29.048157786504
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
-20682020
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 20682021 can be divided by 8 positive divisors.
The sum of these divisors (counting 20682021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001010100100101
3
Ternary
1102220202101210
4
Quaternary
1032321110211
5
Quinary
20243311041
6
Senary
2015142033
8
Octal
116712445
10
Decimal
20682021
12
Duodecimal
6b14919
16
Hexadecimal
13b9525
20
Vigesimal
695511
36
Base36
cbacl
md5
405ffe258e50feae345526dff6077096
sha1
0f88d501b9b1dab1d1822012752f44b29be21334
sha256
e28e96b4baf7b0581703a2891c648b6e1547c7807b0852ebe85c1ec7ec9456fb
sha512
ce425cc31691da230997128191c8ce0775a5bafe0015b3723d57927b1b8df1a777281fee439f7a335c658f6848e91cc3601481bfad39f0fdb3e46dd36dd6f6d2
ripemd-160
26bb4ca6faf0ed8b7b74fe7f607ecf8d66d2c176
Diameter
41364042
Circumference
129948970.46998
Area
1.3438036680942E+15
Volume
3.705676757787E+22
Surface area
5.375214672377E+15
Circumference
129948970.46998
Perimeter
82728084
Area
427745992644441
Diagonal
29248794.595485
Surface area
2566475955866646
Volume
8.8466516025382E+21
Space diagonal
35822311.175206
Perimeter
62046063
Area
1.8521944799854E+14
Altitude
17911155.587603
Surface area
1.8521944799854E+14
Volume
1.0425878898249E+21
Height
9749598.1984951